transfer catalog from parent
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..a51b0b1
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,40 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+lint:
+	golangci-lint run --tests=false
+build:
+	CGO_ENABLED=0 go build -o bin/eventmesh-catalog
+# goimports 
+# -e report all errors (not just the first 10 on different lines)
+# -d display diffs instead of rewriting files
+# -local put imports beginning with this string after 3rd-party packages; comma-separated list
+# gofmt 
+# -e report all errors (not just the first 10 on different lines)
+# -d display diffs instead of rewriting files
+# -s simplify code
+# -w write result to (source) file instead of stdout
+fmt:
+	find . -name "*.go" | xargs goimports -e -d -local git.code.oa.com -w && \
+    find . -name "*.go" | xargs gofmt -e -d -s -w
+test:
+	go test -v ./... -gcflags "all=-N -l"
+
+cover:
+	go test ./...  -gcflags "all=-N -l" --covermode=count -coverprofile=cover.out.tmp
+	cat cover.out.tmp | grep -v "_mock.go" | grep -v ".pb.go" > cover.out
+	rm cover.out.tmp
+	go tool cover -html=cover.out
\ No newline at end of file
diff --git a/api/catalog.go b/api/catalog.go
new file mode 100644
index 0000000..8f4a8fb
--- /dev/null
+++ b/api/catalog.go
@@ -0,0 +1,59 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package api
+
+import (
+	"context"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/api/proto"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/dal"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/dal/model"
+	"github.com/gogf/gf/util/gconv"
+)
+
+type catalogImpl struct {
+	proto.UnimplementedCatalogServer
+	catalogDAL dal.CatalogDAL
+}
+
+func NewCatalogImpl() proto.CatalogServer {
+	var c catalogImpl
+	c.catalogDAL = dal.NewCatalogDAL()
+	return &c
+}
+
+func (c *catalogImpl) Registry(ctx context.Context, request *proto.RegistryRequest) (*proto.RegistryResponse, error) {
+	var rsp = &proto.RegistryResponse{}
+	if len(request.Definition) == 0 {
+		return rsp, nil
+	}
+	if err := c.catalogDAL.Save(ctx, &model.Event{Definition: request.Definition}); err != nil {
+		return rsp, err
+	}
+	return rsp, nil
+}
+
+func (c *catalogImpl) QueryOperations(ctx context.Context, in *proto.QueryOperationsRequest) (*proto.
+	QueryOperationsResponse, error) {
+	var rsp = &proto.QueryOperationsResponse{}
+	res, err := c.catalogDAL.SelectOperations(ctx, in.ServiceName, in.OperationId)
+	if err != nil {
+		return rsp, err
+	}
+	if err = gconv.Structs(res, &rsp.Operations); err != nil {
+		return nil, err
+	}
+	return rsp, nil
+}
diff --git a/api/proto/catalog.pb.go b/api/proto/catalog.pb.go
new file mode 100644
index 0000000..774380c
--- /dev/null
+++ b/api/proto/catalog.pb.go
@@ -0,0 +1,475 @@
+//
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.17.3
+// source: catalog.proto
+
+package proto
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type RegistryRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	FileName   string `protobuf:"bytes,1,opt,name=file_name,json=fileName,proto3" json:"file_name,omitempty"`
+	Definition string `protobuf:"bytes,2,opt,name=definition,proto3" json:"definition,omitempty"`
+}
+
+func (x *RegistryRequest) Reset() {
+	*x = RegistryRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_catalog_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RegistryRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RegistryRequest) ProtoMessage() {}
+
+func (x *RegistryRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_catalog_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RegistryRequest.ProtoReflect.Descriptor instead.
+func (*RegistryRequest) Descriptor() ([]byte, []int) {
+	return file_catalog_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *RegistryRequest) GetFileName() string {
+	if x != nil {
+		return x.FileName
+	}
+	return ""
+}
+
+func (x *RegistryRequest) GetDefinition() string {
+	if x != nil {
+		return x.Definition
+	}
+	return ""
+}
+
+type RegistryResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *RegistryResponse) Reset() {
+	*x = RegistryResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_catalog_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *RegistryResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*RegistryResponse) ProtoMessage() {}
+
+func (x *RegistryResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_catalog_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use RegistryResponse.ProtoReflect.Descriptor instead.
+func (*RegistryResponse) Descriptor() ([]byte, []int) {
+	return file_catalog_proto_rawDescGZIP(), []int{1}
+}
+
+type QueryOperationsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ServiceName string `protobuf:"bytes,1,opt,name=service_name,json=serviceName,proto3" json:"service_name,omitempty"`
+	OperationId string `protobuf:"bytes,2,opt,name=operation_id,json=operationId,proto3" json:"operation_id,omitempty"`
+}
+
+func (x *QueryOperationsRequest) Reset() {
+	*x = QueryOperationsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_catalog_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *QueryOperationsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*QueryOperationsRequest) ProtoMessage() {}
+
+func (x *QueryOperationsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_catalog_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use QueryOperationsRequest.ProtoReflect.Descriptor instead.
+func (*QueryOperationsRequest) Descriptor() ([]byte, []int) {
+	return file_catalog_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *QueryOperationsRequest) GetServiceName() string {
+	if x != nil {
+		return x.ServiceName
+	}
+	return ""
+}
+
+func (x *QueryOperationsRequest) GetOperationId() string {
+	if x != nil {
+		return x.OperationId
+	}
+	return ""
+}
+
+type Operation struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	ChannelName string `protobuf:"bytes,1,opt,name=channel_name,json=channelName,proto3" json:"channel_name,omitempty"`
+	Schema      string `protobuf:"bytes,2,opt,name=schema,proto3" json:"schema,omitempty"`
+	// publish/subscribe
+	Type string `protobuf:"bytes,3,opt,name=type,proto3" json:"type,omitempty"`
+}
+
+func (x *Operation) Reset() {
+	*x = Operation{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_catalog_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Operation) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Operation) ProtoMessage() {}
+
+func (x *Operation) ProtoReflect() protoreflect.Message {
+	mi := &file_catalog_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Operation.ProtoReflect.Descriptor instead.
+func (*Operation) Descriptor() ([]byte, []int) {
+	return file_catalog_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *Operation) GetChannelName() string {
+	if x != nil {
+		return x.ChannelName
+	}
+	return ""
+}
+
+func (x *Operation) GetSchema() string {
+	if x != nil {
+		return x.Schema
+	}
+	return ""
+}
+
+func (x *Operation) GetType() string {
+	if x != nil {
+		return x.Type
+	}
+	return ""
+}
+
+type QueryOperationsResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Operations []*Operation `protobuf:"bytes,1,rep,name=operations,proto3" json:"operations,omitempty"`
+}
+
+func (x *QueryOperationsResponse) Reset() {
+	*x = QueryOperationsResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_catalog_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *QueryOperationsResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*QueryOperationsResponse) ProtoMessage() {}
+
+func (x *QueryOperationsResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_catalog_proto_msgTypes[4]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use QueryOperationsResponse.ProtoReflect.Descriptor instead.
+func (*QueryOperationsResponse) Descriptor() ([]byte, []int) {
+	return file_catalog_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *QueryOperationsResponse) GetOperations() []*Operation {
+	if x != nil {
+		return x.Operations
+	}
+	return nil
+}
+
+var File_catalog_proto protoreflect.FileDescriptor
+
+var file_catalog_proto_rawDesc = []byte{
+	0x0a, 0x0d, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12,
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+	0x73, 0x68, 0x2e, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x63,
+	0x6f, 0x6c, 0x2e, 0x63, 0x61, 0x74, 0x61, 0x6c, 0x6f, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x73, 0x42, 0x14, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x6d, 0x65, 0x73, 0x68, 0x43, 0x61, 0x74, 0x61,
+	0x6c, 0x6f, 0x67, 0x47, 0x72, 0x70, 0x63, 0x50, 0x01, 0x5a, 0x44, 0x67, 0x69, 0x74, 0x68, 0x75,
+	0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x61, 0x70, 0x61, 0x63, 0x68, 0x65, 0x2f, 0x69, 0x6e, 0x63,
+	0x75, 0x62, 0x61, 0x74, 0x6f, 0x72, 0x2d, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x6d, 0x65, 0x73, 0x68,
+	0x2f, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x6d, 0x65, 0x73, 0x68, 0x2d, 0x63, 0x61, 0x74, 0x61, 0x6c,
+	0x6f, 0x67, 0x2d, 0x67, 0x6f, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_catalog_proto_rawDescOnce sync.Once
+	file_catalog_proto_rawDescData = file_catalog_proto_rawDesc
+)
+
+func file_catalog_proto_rawDescGZIP() []byte {
+	file_catalog_proto_rawDescOnce.Do(func() {
+		file_catalog_proto_rawDescData = protoimpl.X.CompressGZIP(file_catalog_proto_rawDescData)
+	})
+	return file_catalog_proto_rawDescData
+}
+
+var file_catalog_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_catalog_proto_goTypes = []interface{}{
+	(*RegistryRequest)(nil),         // 0: eventmesh.catalog.api.protocol.RegistryRequest
+	(*RegistryResponse)(nil),        // 1: eventmesh.catalog.api.protocol.RegistryResponse
+	(*QueryOperationsRequest)(nil),  // 2: eventmesh.catalog.api.protocol.QueryOperationsRequest
+	(*Operation)(nil),               // 3: eventmesh.catalog.api.protocol.Operation
+	(*QueryOperationsResponse)(nil), // 4: eventmesh.catalog.api.protocol.QueryOperationsResponse
+}
+var file_catalog_proto_depIdxs = []int32{
+	3, // 0: eventmesh.catalog.api.protocol.QueryOperationsResponse.operations:type_name -> eventmesh.catalog.api.protocol.Operation
+	0, // 1: eventmesh.catalog.api.protocol.Catalog.Registry:input_type -> eventmesh.catalog.api.protocol.RegistryRequest
+	2, // 2: eventmesh.catalog.api.protocol.Catalog.QueryOperations:input_type -> eventmesh.catalog.api.protocol.QueryOperationsRequest
+	1, // 3: eventmesh.catalog.api.protocol.Catalog.Registry:output_type -> eventmesh.catalog.api.protocol.RegistryResponse
+	4, // 4: eventmesh.catalog.api.protocol.Catalog.QueryOperations:output_type -> eventmesh.catalog.api.protocol.QueryOperationsResponse
+	3, // [3:5] is the sub-list for method output_type
+	1, // [1:3] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_catalog_proto_init() }
+func file_catalog_proto_init() {
+	if File_catalog_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_catalog_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RegistryRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_catalog_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*RegistryResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_catalog_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*QueryOperationsRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_catalog_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Operation); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_catalog_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*QueryOperationsResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_catalog_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   5,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_catalog_proto_goTypes,
+		DependencyIndexes: file_catalog_proto_depIdxs,
+		MessageInfos:      file_catalog_proto_msgTypes,
+	}.Build()
+	File_catalog_proto = out.File
+	file_catalog_proto_rawDesc = nil
+	file_catalog_proto_goTypes = nil
+	file_catalog_proto_depIdxs = nil
+}
diff --git a/api/proto/catalog.proto b/api/proto/catalog.proto
new file mode 100644
index 0000000..a5633d9
--- /dev/null
+++ b/api/proto/catalog.proto
@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto3";
+
+package eventmesh.catalog.api.protocol;
+
+option java_multiple_files = true;
+option java_package="org.apache.eventmesh.common.protocol.catalog.protos";
+option java_outer_classname = "EventmeshCatalogGrpc";
+
+option go_package = "github.com/apache/incubator-eventmesh/eventmesh-catalog-go/api/proto";
+
+service Catalog {
+    rpc Registry (RegistryRequest) returns (RegistryResponse) {}
+    rpc QueryOperations (QueryOperationsRequest) returns (QueryOperationsResponse) {}
+}
+
+message RegistryRequest {
+	string file_name = 1;
+	string definition = 2;
+}
+
+message RegistryResponse {
+}
+
+message QueryOperationsRequest {
+    string service_name = 1;
+    string operation_id = 2;
+}
+
+message Operation {
+    string channel_name = 1;
+    string schema = 2;
+    // publish/subscribe
+    string type = 3;
+}
+
+message QueryOperationsResponse {
+    repeated Operation operations = 1;
+}
\ No newline at end of file
diff --git a/api/proto/catalog_grpc.pb.go b/api/proto/catalog_grpc.pb.go
new file mode 100644
index 0000000..a740cd9
--- /dev/null
+++ b/api/proto/catalog_grpc.pb.go
@@ -0,0 +1,157 @@
+//
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.17.3
+// source: catalog.proto
+
+package proto
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// CatalogClient is the client API for Catalog service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type CatalogClient interface {
+	Registry(ctx context.Context, in *RegistryRequest, opts ...grpc.CallOption) (*RegistryResponse, error)
+	QueryOperations(ctx context.Context, in *QueryOperationsRequest, opts ...grpc.CallOption) (*QueryOperationsResponse, error)
+}
+
+type catalogClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewCatalogClient(cc grpc.ClientConnInterface) CatalogClient {
+	return &catalogClient{cc}
+}
+
+func (c *catalogClient) Registry(ctx context.Context, in *RegistryRequest, opts ...grpc.CallOption) (*RegistryResponse, error) {
+	out := new(RegistryResponse)
+	err := c.cc.Invoke(ctx, "/eventmesh.catalog.api.protocol.Catalog/Registry", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *catalogClient) QueryOperations(ctx context.Context, in *QueryOperationsRequest, opts ...grpc.CallOption) (*QueryOperationsResponse, error) {
+	out := new(QueryOperationsResponse)
+	err := c.cc.Invoke(ctx, "/eventmesh.catalog.api.protocol.Catalog/QueryOperations", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// CatalogServer is the server API for Catalog service.
+// All implementations must embed UnimplementedCatalogServer
+// for forward compatibility
+type CatalogServer interface {
+	Registry(context.Context, *RegistryRequest) (*RegistryResponse, error)
+	QueryOperations(context.Context, *QueryOperationsRequest) (*QueryOperationsResponse, error)
+	mustEmbedUnimplementedCatalogServer()
+}
+
+// UnimplementedCatalogServer must be embedded to have forward compatible implementations.
+type UnimplementedCatalogServer struct {
+}
+
+func (UnimplementedCatalogServer) Registry(context.Context, *RegistryRequest) (*RegistryResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Registry not implemented")
+}
+func (UnimplementedCatalogServer) QueryOperations(context.Context, *QueryOperationsRequest) (*QueryOperationsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method QueryOperations not implemented")
+}
+func (UnimplementedCatalogServer) mustEmbedUnimplementedCatalogServer() {}
+
+// UnsafeCatalogServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to CatalogServer will
+// result in compilation errors.
+type UnsafeCatalogServer interface {
+	mustEmbedUnimplementedCatalogServer()
+}
+
+func RegisterCatalogServer(s grpc.ServiceRegistrar, srv CatalogServer) {
+	s.RegisterService(&Catalog_ServiceDesc, srv)
+}
+
+func _Catalog_Registry_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RegistryRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(CatalogServer).Registry(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/eventmesh.catalog.api.protocol.Catalog/Registry",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(CatalogServer).Registry(ctx, req.(*RegistryRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Catalog_QueryOperations_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(QueryOperationsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(CatalogServer).QueryOperations(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/eventmesh.catalog.api.protocol.Catalog/QueryOperations",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(CatalogServer).QueryOperations(ctx, req.(*QueryOperationsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Catalog_ServiceDesc is the grpc.ServiceDesc for Catalog service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Catalog_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "eventmesh.catalog.api.protocol.Catalog",
+	HandlerType: (*CatalogServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Registry",
+			Handler:    _Catalog_Registry_Handler,
+		},
+		{
+			MethodName: "QueryOperations",
+			Handler:    _Catalog_QueryOperations_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "catalog.proto",
+}
diff --git a/bin/start-catalog.sh b/bin/start-catalog.sh
new file mode 100644
index 0000000..3a4821e
--- /dev/null
+++ b/bin/start-catalog.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+#
+# Licensed to Apache Software Foundation (ASF) under one or more contributor
+# license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright
+# ownership. Apache Software Foundation (ASF) licenses this file to you under
+# the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+CATALOG_HOME=`cd $(dirname $0)/.. && pwd`
+export CATALOG_HOME
+export CATALOG_LOG_HOME=${CATALOG_HOME}/logs
+echo "CATALOG_HOME : ${CATALOG_HOME}, CATALOG_LOG_HOME : ${CATALOG_LOG_HOME}"
+
+serverLogFile=${CATALOG_HOME}/logs/catalog.log
+serverHistoryLogFile=${CATALOG_HOME}/catalogHistory.log
+pidConf=${CATALOG_HOME}/bin/pid.conf
+serverName="eventmesh-catalog"
+startScriptName="start-catalog.sh"
+
+function make_logs_dir {
+    if [ ! -e "${CATALOG_LOG_HOME}" ]; then mkdir -p "${CATALOG_LOG_HOME}"; fi
+}
+
+make_logs_dir
+
+#check process
+num=`ps -ef |grep ${serverName} |grep -v grep|wc -l`
+echo "`date` the num of process is $num"
+if [ $num -gt 0 ];then
+    echo "the process is exist now "
+    exit 0
+fi
+
+#start process
+nohup ./${serverName} 2>&1 | tee  $serverLogFile>>$serverHistoryLogFile 2>&1 &
+sleep 3
+
+num=`ps -ef | grep ${serverName} | grep -v grep | wc -l`
+echo "the num of process after start is $num"
+if [ $num -lt 1 ];then
+    echo "the process is not exit after start "
+    exit 9
+fi
+
+pid=`ps -ef |grep ${serverName} |grep -v grep|head -n 1 |awk '{print $2}'`
+echo $pid>$pidConf
+exit 0
\ No newline at end of file
diff --git a/bin/stop-catalog.sh b/bin/stop-catalog.sh
new file mode 100644
index 0000000..c634172
--- /dev/null
+++ b/bin/stop-catalog.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+#
+# Licensed to Apache Software Foundation (ASF) under one or more contributor
+# license agreements. See the NOTICE file distributed with
+# this work for additional information regarding copyright
+# ownership. Apache Software Foundation (ASF) licenses this file to you under
+# the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+serverName="eventmesh-catalog"
+
+#stop process
+pidInfo=$(ps -ef | grep ${serverName} | grep -v grep | awk '{print $2}')
+echo "`date` the pid info is $pidInfo"
+
+for pid in $pidInfo;do
+  kill -9 $pid
+done
+
+sleep 3
+
+#check process num
+num=$(ps -ef | grep ${serverName} | grep -v grep |wc -l)
+
+if [ $num -gt 0 ];then
+    echo "`date` after stop process in force way the processNum is $num still bigger than 0"
+    exit 9
+fi
+exit 0
\ No newline at end of file
diff --git a/cmd/controller/catalog.go b/cmd/controller/catalog.go
new file mode 100644
index 0000000..9339f10
--- /dev/null
+++ b/cmd/controller/catalog.go
@@ -0,0 +1,117 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/dal"
+	"github.com/gin-gonic/gin"
+	"github.com/gogf/gf/util/gconv"
+	"net/http"
+)
+
+const (
+	eventIDParam = "eventId"
+)
+
+// CatalogController workflow controller operations
+type CatalogController struct {
+	catalogDAL dal.CatalogDAL
+}
+
+func NewCatalogController() *CatalogController {
+	c := CatalogController{}
+	c.catalogDAL = dal.NewCatalogDAL()
+	return &c
+}
+
+// Save save event catalog data
+// @Summary 	 save event catalog
+// @Description  save event catalog
+// @Tags         Catalog
+// @Accept       json
+// @Produce      json
+// @Param 		 request body SaveEventRequest true "event catalog data"
+// @Success      200
+// @Failure      400
+// @Failure      404
+// @Failure      500
+// @Router       /catalog [post]
+func (c *CatalogController) Save(ctx *gin.Context) {
+	request := SaveEventRequest{}
+	if err := ctx.ShouldBind(&request); err != nil {
+		ctx.JSON(http.StatusBadRequest, err.Error())
+		return
+	}
+	if err := c.catalogDAL.Save(ctx, &request.Event); err != nil {
+		ctx.JSON(http.StatusInternalServerError, err.Error())
+		return
+	}
+	ctx.JSON(http.StatusOK, nil)
+}
+
+// QueryList query event catalog list
+// @Summary 	 query event catalog list
+// @Description  query event catalog list
+// @Tags         Catalog
+// @Accept       json
+// @Produce      json
+// @Param        page query string false "query page"
+// @Param        size query string false "query size"
+// @Success      200  {object} QueryEventsResponse
+// @Failure      400
+// @Failure      404
+// @Failure      500
+// @Router       /catalog [get]
+func (c *CatalogController) QueryList(ctx *gin.Context) {
+	request := QueryEventsRequest{}
+	if err := ctx.ShouldBind(&request); err != nil {
+		ctx.JSON(http.StatusBadRequest, err.Error())
+		return
+	}
+	res, total, err := c.catalogDAL.SelectList(ctx, request.Page, request.Size)
+	if err != nil {
+		ctx.JSON(http.StatusInternalServerError, err.Error())
+		return
+	}
+	ctx.JSON(http.StatusOK, &QueryEventsResponse{Total: total, Events: res})
+}
+
+// QueryDetail query event catalog detail info
+// @Summary 	 query event catalog detail info
+// @Description  query event catalog detail info
+// @Tags         Catalog
+// @Accept       json
+// @Produce      json
+// @Param 		 eventId path string true "event id"
+// @Success      200  {object} QueryEventResponse
+// @Failure      400
+// @Failure      404
+// @Failure      500
+// @Router       /catalog/{eventId} [get]
+func (c *CatalogController) QueryDetail(ctx *gin.Context) {
+	eventID := gconv.Int(ctx.Param(eventIDParam))
+	res, err := c.catalogDAL.Select(ctx, eventID)
+	if err != nil {
+		ctx.JSON(http.StatusInternalServerError, err.Error())
+		return
+	}
+	if res == nil {
+		ctx.JSON(http.StatusOK, nil)
+		return
+	}
+	ctx.JSON(http.StatusOK, &QueryEventResponse{Event: *res})
+	return
+}
diff --git a/cmd/controller/docs/docs.go b/cmd/controller/docs/docs.go
new file mode 100644
index 0000000..05c922a
--- /dev/null
+++ b/cmd/controller/docs/docs.go
@@ -0,0 +1,242 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package docs GENERATED BY SWAG; DO NOT EDIT
+// This file was generated by swaggo/swag
+package docs
+
+import "github.com/swaggo/swag"
+
+const docTemplate = `{
+    "schemes": {{ marshal .Schemes }},
+    "swagger": "2.0",
+    "info": {
+        "description": "{{escape .Description}}",
+        "title": "{{.Title}}",
+        "contact": {},
+        "license": {
+            "name": "Apache 2.0",
+            "url": "http://www.apache.org/licenses/LICENSE-2.0.html"
+        },
+        "version": "{{.Version}}"
+    },
+    "host": "{{.Host}}",
+    "basePath": "{{.BasePath}}",
+    "paths": {
+        "/catalog": {
+            "get": {
+                "description": "query event catalog list",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Catalog"
+                ],
+                "summary": "query event catalog list",
+                "parameters": [
+                    {
+                        "type": "string",
+                        "description": "query page",
+                        "name": "page",
+                        "in": "query"
+                    },
+                    {
+                        "type": "string",
+                        "description": "query size",
+                        "name": "size",
+                        "in": "query"
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "schema": {
+                            "$ref": "#/definitions/main.QueryEventsResponse"
+                        }
+                    },
+                    "400": {
+                        "description": "Bad Request"
+                    },
+                    "404": {
+                        "description": "Not Found"
+                    },
+                    "500": {
+                        "description": "Internal Server Error"
+                    }
+                }
+            },
+            "post": {
+                "description": "save event catalog",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Catalog"
+                ],
+                "summary": "save event catalog",
+                "parameters": [
+                    {
+                        "description": "event catalog data",
+                        "name": "request",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/main.SaveEventRequest"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK"
+                    },
+                    "400": {
+                        "description": "Bad Request"
+                    },
+                    "404": {
+                        "description": "Not Found"
+                    },
+                    "500": {
+                        "description": "Internal Server Error"
+                    }
+                }
+            }
+        },
+        "/catalog/{eventId}": {
+            "get": {
+                "description": "query event catalog detail info",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Catalog"
+                ],
+                "summary": "query event catalog detail info",
+                "parameters": [
+                    {
+                        "type": "string",
+                        "description": "event id",
+                        "name": "eventId",
+                        "in": "path",
+                        "required": true
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "schema": {
+                            "$ref": "#/definitions/main.QueryEventResponse"
+                        }
+                    },
+                    "400": {
+                        "description": "Bad Request"
+                    },
+                    "404": {
+                        "description": "Not Found"
+                    },
+                    "500": {
+                        "description": "Internal Server Error"
+                    }
+                }
+            }
+        }
+    },
+    "definitions": {
+        "main.QueryEventResponse": {
+            "type": "object",
+            "properties": {
+                "event": {
+                    "$ref": "#/definitions/model.Event"
+                }
+            }
+        },
+        "main.QueryEventsResponse": {
+            "type": "object",
+            "properties": {
+                "events": {
+                    "type": "array",
+                    "items": {
+                        "$ref": "#/definitions/model.Event"
+                    }
+                },
+                "total": {
+                    "description": "total count",
+                    "type": "integer"
+                }
+            }
+        },
+        "main.SaveEventRequest": {
+            "type": "object",
+            "properties": {
+                "event": {
+                    "$ref": "#/definitions/model.Event"
+                }
+            }
+        },
+        "model.Event": {
+            "type": "object",
+            "properties": {
+                "create_time": {
+                    "type": "string"
+                },
+                "definition": {
+                    "type": "string"
+                },
+                "file_name": {
+                    "type": "string"
+                },
+                "id": {
+                    "type": "integer"
+                },
+                "status": {
+                    "type": "integer"
+                },
+                "title": {
+                    "type": "string"
+                },
+                "update_time": {
+                    "type": "string"
+                },
+                "version": {
+                    "type": "string"
+                }
+            }
+        }
+    }
+}`
+
+// SwaggerInfo holds exported Swagger Info so clients can modify it
+var SwaggerInfo = &swag.Spec{
+	Version:          "1.0",
+	Host:             "",
+	BasePath:         "",
+	Schemes:          []string{},
+	Title:            "Event Catalog API",
+	Description:      "This is a event catalog server.",
+	InfoInstanceName: "swagger",
+	SwaggerTemplate:  docTemplate,
+}
+
+func init() {
+	swag.Register(SwaggerInfo.InstanceName(), SwaggerInfo)
+}
diff --git a/cmd/controller/docs/swagger.json b/cmd/controller/docs/swagger.json
new file mode 100644
index 0000000..f1aa471
--- /dev/null
+++ b/cmd/controller/docs/swagger.json
@@ -0,0 +1,217 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+{
+    "swagger": "2.0",
+    "info": {
+        "description": "This is a event catalog server.",
+        "title": "Event Catalog API",
+        "contact": {},
+        "license": {
+            "name": "Apache 2.0",
+            "url": "http://www.apache.org/licenses/LICENSE-2.0.html"
+        },
+        "version": "1.0"
+    },
+    "paths": {
+        "/catalog": {
+            "get": {
+                "description": "query event catalog list",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Catalog"
+                ],
+                "summary": "query event catalog list",
+                "parameters": [
+                    {
+                        "type": "string",
+                        "description": "query page",
+                        "name": "page",
+                        "in": "query"
+                    },
+                    {
+                        "type": "string",
+                        "description": "query size",
+                        "name": "size",
+                        "in": "query"
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "schema": {
+                            "$ref": "#/definitions/main.QueryEventsResponse"
+                        }
+                    },
+                    "400": {
+                        "description": "Bad Request"
+                    },
+                    "404": {
+                        "description": "Not Found"
+                    },
+                    "500": {
+                        "description": "Internal Server Error"
+                    }
+                }
+            },
+            "post": {
+                "description": "save event catalog",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Catalog"
+                ],
+                "summary": "save event catalog",
+                "parameters": [
+                    {
+                        "description": "event catalog data",
+                        "name": "request",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/main.SaveEventRequest"
+                        }
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK"
+                    },
+                    "400": {
+                        "description": "Bad Request"
+                    },
+                    "404": {
+                        "description": "Not Found"
+                    },
+                    "500": {
+                        "description": "Internal Server Error"
+                    }
+                }
+            }
+        },
+        "/catalog/{eventId}": {
+            "get": {
+                "description": "query event catalog detail info",
+                "consumes": [
+                    "application/json"
+                ],
+                "produces": [
+                    "application/json"
+                ],
+                "tags": [
+                    "Catalog"
+                ],
+                "summary": "query event catalog detail info",
+                "parameters": [
+                    {
+                        "type": "string",
+                        "description": "event id",
+                        "name": "eventId",
+                        "in": "path",
+                        "required": true
+                    }
+                ],
+                "responses": {
+                    "200": {
+                        "description": "OK",
+                        "schema": {
+                            "$ref": "#/definitions/main.QueryEventResponse"
+                        }
+                    },
+                    "400": {
+                        "description": "Bad Request"
+                    },
+                    "404": {
+                        "description": "Not Found"
+                    },
+                    "500": {
+                        "description": "Internal Server Error"
+                    }
+                }
+            }
+        }
+    },
+    "definitions": {
+        "main.QueryEventResponse": {
+            "type": "object",
+            "properties": {
+                "event": {
+                    "$ref": "#/definitions/model.Event"
+                }
+            }
+        },
+        "main.QueryEventsResponse": {
+            "type": "object",
+            "properties": {
+                "events": {
+                    "type": "array",
+                    "items": {
+                        "$ref": "#/definitions/model.Event"
+                    }
+                },
+                "total": {
+                    "description": "total count",
+                    "type": "integer"
+                }
+            }
+        },
+        "main.SaveEventRequest": {
+            "type": "object",
+            "properties": {
+                "event": {
+                    "$ref": "#/definitions/model.Event"
+                }
+            }
+        },
+        "model.Event": {
+            "type": "object",
+            "properties": {
+                "create_time": {
+                    "type": "string"
+                },
+                "definition": {
+                    "type": "string"
+                },
+                "file_name": {
+                    "type": "string"
+                },
+                "id": {
+                    "type": "integer"
+                },
+                "status": {
+                    "type": "integer"
+                },
+                "title": {
+                    "type": "string"
+                },
+                "update_time": {
+                    "type": "string"
+                },
+                "version": {
+                    "type": "string"
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/cmd/controller/docs/swagger.yaml b/cmd/controller/docs/swagger.yaml
new file mode 100644
index 0000000..2984b7e
--- /dev/null
+++ b/cmd/controller/docs/swagger.yaml
@@ -0,0 +1,148 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+definitions:
+  main.QueryEventResponse:
+    properties:
+      event:
+        $ref: '#/definitions/model.Event'
+    type: object
+  main.QueryEventsResponse:
+    properties:
+      events:
+        items:
+          $ref: '#/definitions/model.Event'
+        type: array
+      total:
+        description: total count
+        type: integer
+    type: object
+  main.SaveEventRequest:
+    properties:
+      event:
+        $ref: '#/definitions/model.Event'
+    type: object
+  model.Event:
+    properties:
+      create_time:
+        type: string
+      definition:
+        type: string
+      file_name:
+        type: string
+      id:
+        type: integer
+      status:
+        type: integer
+      title:
+        type: string
+      update_time:
+        type: string
+      version:
+        type: string
+    type: object
+info:
+  contact: {}
+  description: This is a event catalog server.
+  license:
+    name: Apache 2.0
+    url: http://www.apache.org/licenses/LICENSE-2.0.html
+  title: Event Catalog API
+  version: "1.0"
+paths:
+  /catalog:
+    get:
+      consumes:
+      - application/json
+      description: query event catalog list
+      parameters:
+      - description: query page
+        in: query
+        name: page
+        type: string
+      - description: query size
+        in: query
+        name: size
+        type: string
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            $ref: '#/definitions/main.QueryEventsResponse'
+        "400":
+          description: Bad Request
+        "404":
+          description: Not Found
+        "500":
+          description: Internal Server Error
+      summary: query event catalog list
+      tags:
+      - Catalog
+    post:
+      consumes:
+      - application/json
+      description: save event catalog
+      parameters:
+      - description: event catalog data
+        in: body
+        name: request
+        required: true
+        schema:
+          $ref: '#/definitions/main.SaveEventRequest'
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+        "400":
+          description: Bad Request
+        "404":
+          description: Not Found
+        "500":
+          description: Internal Server Error
+      summary: save event catalog
+      tags:
+      - Catalog
+  /catalog/{eventId}:
+    get:
+      consumes:
+      - application/json
+      description: query event catalog detail info
+      parameters:
+      - description: event id
+        in: path
+        name: eventId
+        required: true
+        type: string
+      produces:
+      - application/json
+      responses:
+        "200":
+          description: OK
+          schema:
+            $ref: '#/definitions/main.QueryEventResponse'
+        "400":
+          description: Bad Request
+        "404":
+          description: Not Found
+        "500":
+          description: Internal Server Error
+      summary: query event catalog detail info
+      tags:
+      - Catalog
+swagger: "2.0"
diff --git a/cmd/controller/main.go b/cmd/controller/main.go
new file mode 100644
index 0000000..fd38c03
--- /dev/null
+++ b/cmd/controller/main.go
@@ -0,0 +1,119 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"fmt"
+	_ "github.com/apache/incubator-eventmesh/eventmesh-catalog-go/cmd/controller/docs"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/dal"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/util"
+	"github.com/apache/incubator-eventmesh/eventmesh-server-go/config"
+	"github.com/gin-gonic/gin"
+	swaggerFiles "github.com/swaggo/files"
+	ginSwagger "github.com/swaggo/gin-swagger"
+	"log"
+	"net/http"
+)
+
+type Server struct {
+	server  *gin.Engine
+	catalog *CatalogController
+}
+
+// @title           Event Catalog API
+// @version         1.0
+// @description     This is a event catalog server.
+
+// @license.name  Apache 2.0
+// @license.url   http://www.apache.org/licenses/LICENSE-2.0.html
+func main() {
+	s, err := initServer()
+	if err != nil {
+		log.Fatal("new server fail: " + err.Error())
+	}
+	s.router()
+	if err := s.run(); err != nil {
+		log.Fatal("run server fail: " + err.Error())
+	}
+}
+
+func initServer() (*Server, error) {
+	var s Server
+	if err := s.setupConfig(); err != nil {
+		return nil, err
+	}
+	if err := dal.Open(); err != nil {
+		return nil, err
+	}
+	r := gin.New()
+	r.Use(cors()).Use(gin.Recovery())
+	swagger(r)
+	s.server = r
+	s.catalog = NewCatalogController()
+	return &s, nil
+}
+
+func cors() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		method := c.Request.Method
+		origin := c.Request.Header.Get("Origin")
+		if origin != "" {
+			c.Header("Access-Control-Allow-Origin", "*")
+			c.Header("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE, UPDATE")
+			c.Header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept, "+
+				"Authorization")
+			c.Header("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, "+
+				"Access-Control-Allow-Headers, Cache-Control, Content-Language, Content-Type")
+			c.Header("Access-Control-Allow-Credentials", "true")
+		}
+		if method == "OPTIONS" {
+			c.AbortWithStatus(http.StatusNoContent)
+		}
+		c.Next()
+	}
+}
+
+func swagger(r *gin.Engine) {
+	r.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))
+}
+
+func (s *Server) router() {
+	s.server.POST("/catalog", s.catalog.Save)
+	s.server.GET("/catalog", s.catalog.QueryList)
+	s.server.GET("/catalog/:eventId", s.catalog.QueryDetail)
+}
+
+func (s *Server) setupConfig() error {
+	config.ServerConfigPath = "./configs/controller.yaml"
+	// compatible local environment
+	if !util.Exists(config.ServerConfigPath) {
+		config.ServerConfigPath = "../configs/controller.yaml"
+	}
+	// compatible deploy environment
+	if !util.Exists(config.ServerConfigPath) {
+		config.ServerConfigPath = "../conf/controller.yaml"
+	}
+	cfg, err := config.LoadConfig(config.ServerConfigPath)
+	if err != nil {
+		return err
+	}
+	config.SetGlobalConfig(cfg)
+	return config.Setup(cfg)
+}
+
+func (s *Server) run() error {
+	return s.server.Run(fmt.Sprintf(":%d", config.GlobalConfig().Server.Port))
+}
diff --git a/cmd/controller/request.go b/cmd/controller/request.go
new file mode 100644
index 0000000..165a0a9
--- /dev/null
+++ b/cmd/controller/request.go
@@ -0,0 +1,29 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import "github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/dal/model"
+
+// SaveEventRequest save event request body
+type SaveEventRequest struct {
+	Event model.Event `json:"event"`
+}
+
+// QueryEventsRequest query events request body
+type QueryEventsRequest struct {
+	Page int `form:"page" json:"page"` // page num
+	Size int `form:"size" json:"size"` // page size
+}
diff --git a/cmd/controller/response.go b/cmd/controller/response.go
new file mode 100644
index 0000000..00740e3
--- /dev/null
+++ b/cmd/controller/response.go
@@ -0,0 +1,29 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import "github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/dal/model"
+
+// QueryEventsResponse query events response data
+type QueryEventsResponse struct {
+	Events []model.Event `json:"events"`
+	Total  int           `json:"total"` // total count
+}
+
+// QueryEventResponse query event detail response data
+type QueryEventResponse struct {
+	Event model.Event `json:"event"`
+}
diff --git a/config/config.go b/config/config.go
new file mode 100644
index 0000000..75164a0
--- /dev/null
+++ b/config/config.go
@@ -0,0 +1,28 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package config
+
+import (
+	"github.com/apache/incubator-eventmesh/eventmesh-server-go/plugin"
+)
+
+type Config struct {
+	Server struct {
+		Port uint16 `yaml:"port"`
+		Name string `yaml:"name"`
+	}
+	Plugins plugin.Config `yaml:"plugins,omitempty"`
+}
diff --git a/configs/catalog.yaml b/configs/catalog.yaml
new file mode 100644
index 0000000..910fb63
--- /dev/null
+++ b/configs/catalog.yaml
@@ -0,0 +1,44 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+server:
+  port: 12012
+  name: "EVENTMESH-catalog"
+plugins:
+  registry:
+    nacos:
+      address_list: "127.0.0.1:8848"
+  selector:
+    nacos:
+      address_list: "127.0.0.1:8848"
+  database:
+    mysql:
+      dsn: "root:123456@(127.0.0.1:3306)/db_catalog?charset=utf8&parseTime=True&loc=Local"
+      max_idle: 50
+      max_open: 100
+      max_lifetime: 180000
+  log:
+    default:
+      - writer: console
+        level: debug
+      - writer: file
+        level: info
+        writer_config:
+          filename: ./catalog.log
+          max_size: 10
+          max_backups: 10
+          max_age: 7
+          compress:  false
\ No newline at end of file
diff --git a/configs/controller.yaml b/configs/controller.yaml
new file mode 100644
index 0000000..6c922f9
--- /dev/null
+++ b/configs/controller.yaml
@@ -0,0 +1,35 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+server:
+  port: 12013
+plugins:
+  database:
+    mysql:
+      dsn: "root:123456@(127.0.0.1:3306)/db_catalog?charset=utf8&parseTime=True&loc=Local"
+      max_idle: 50
+      max_open: 100
+      max_lifetime: 180000
+  log:
+    default:
+      - writer: file
+        level: info
+        writer_config:
+          filename: ./workflow.log
+          max_size: 10
+          max_backups: 10
+          max_age: 7
+          compress:  false
\ No newline at end of file
diff --git a/configs/testexpress.yaml b/configs/testexpress.yaml
new file mode 100644
index 0000000..f7b1726
--- /dev/null
+++ b/configs/testexpress.yaml
@@ -0,0 +1,40 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+asyncapi: 2.3.0
+info:
+  title: expressapp
+  version: '0.1.0'
+channels:
+  express/create:
+    publish:
+      operationId: sendExpress
+      message:
+        $ref: '#/components/messages/Order'
+    subscribe:
+      operationId: receiveExpress
+      message:
+        $ref: '#/components/messages/Order'
+components:
+  messages:
+    Order:
+      payload:
+        type: object
+        properties:
+          orderNo:
+            type: string
+          Amount:
+            type: string
\ No newline at end of file
diff --git a/configs/testorder.yaml b/configs/testorder.yaml
new file mode 100644
index 0000000..9a00efb
--- /dev/null
+++ b/configs/testorder.yaml
@@ -0,0 +1,40 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+asyncapi: 2.3.0
+info:
+  title: orderapp
+  version: '0.1.0'
+channels:
+  order/create:
+    publish:
+      operationId: sendOrder
+      message:
+        $ref: '#/components/messages/Order'
+    subscribe:
+      operationId: receiveOrder
+      message:
+        $ref: '#/components/messages/Order'
+components:
+  messages:
+    Order:
+      payload:
+        type: object
+        properties:
+          orderNo:
+            type: string
+          Amount:
+            type: string
\ No newline at end of file
diff --git a/configs/testpayment.yaml b/configs/testpayment.yaml
new file mode 100644
index 0000000..2525f27
--- /dev/null
+++ b/configs/testpayment.yaml
@@ -0,0 +1,40 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+asyncapi: 2.3.0
+info:
+  title: paymentapp
+  version: '0.1.0'
+channels:
+  payment/create:
+    publish:
+      operationId: sendPayment
+      message:
+        $ref: '#/components/messages/Order'
+    subscribe:
+      operationId: receivePayment
+      message:
+        $ref: '#/components/messages/Order'
+components:
+  messages:
+    Order:
+      payload:
+        type: object
+        properties:
+          orderNo:
+            type: string
+          Amount:
+            type: string
\ No newline at end of file
diff --git a/distribution/mysql-schema.sql b/distribution/mysql-schema.sql
new file mode 100644
index 0000000..f79e945
--- /dev/null
+++ b/distribution/mysql-schema.sql
@@ -0,0 +1,54 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+create database if not exists db_catalog;
+
+use db_catalog;
+
+create table if not exists t_event
+(
+    id          int auto_increment comment '主键、自增'
+    primary key,
+    title       varchar(1024)                      not null,
+    file_name   varchar(1024)                      not null,
+    definition  text                               not null,
+    status      int                                not null,
+    version     varchar(64)                        not null,
+    create_time datetime default CURRENT_TIMESTAMP not null,
+    update_time datetime default CURRENT_TIMESTAMP not null,
+    index `index_title` (title)
+)
+    collate = utf8mb3_bin;
+
+create table if not exists t_event_catalog
+(
+    id           int auto_increment comment '主键、自增'
+    primary key,
+    service_name varchar(256) default ''                not null comment '服务名称',
+    operation_id varchar(1024)                          not null,
+    channel_name varchar(1024)                          not null,
+    type         varchar(1024)                          not null,
+    `schema`     text                                   not null,
+    status       int                                    not null,
+    create_time  datetime     default CURRENT_TIMESTAMP not null,
+    update_time  datetime     default CURRENT_TIMESTAMP not null,
+    index `index_service_name` (service_name),
+    index `index_channel_name` (channel_name),
+    index `index_operation_id` (operation_id)
+    )
+    collate = utf8mb3_bin;
+
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..96a9d97
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,100 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+module github.com/apache/incubator-eventmesh/eventmesh-catalog-go
+
+go 1.18
+
+require (
+	github.com/apache/incubator-eventmesh/eventmesh-server-go v0.0.0-20220812021948-0945ab92daea
+	github.com/asyncapi/parser-go v0.4.2
+	github.com/gogf/gf v1.16.9
+	github.com/mitchellh/mapstructure v1.5.0
+	github.com/pkg/errors v0.9.1
+	google.golang.org/grpc v1.48.0
+	google.golang.org/protobuf v1.28.1
+	gorm.io/driver/mysql v1.3.5
+	gorm.io/gorm v1.23.8
+)
+
+require (
+	github.com/KyleBanks/depth v1.2.1 // indirect
+	github.com/PuerkitoBio/purell v1.1.1 // indirect
+	github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 // indirect
+	github.com/aliyun/alibaba-cloud-sdk-go v1.61.1704 // indirect
+	github.com/asyncapi/converter-go v0.0.0-20190802111537-d8459b2bd403 // indirect
+	github.com/asyncapi/spec-json-schemas/v2 v2.14.0 // indirect
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/buger/jsonparser v1.1.1 // indirect
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-openapi/jsonpointer v0.19.5 // indirect
+	github.com/go-openapi/jsonreference v0.19.6 // indirect
+	github.com/go-openapi/spec v0.20.4 // indirect
+	github.com/go-openapi/swag v0.19.15 // indirect
+	github.com/go-playground/locales v0.14.0 // indirect
+	github.com/go-playground/universal-translator v0.18.0 // indirect
+	github.com/go-playground/validator/v10 v10.11.1 // indirect
+	github.com/go-sql-driver/mysql v1.6.0 // indirect
+	github.com/goccy/go-json v0.9.11 // indirect
+	github.com/golang/mock v1.6.0 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/hashicorp/errwrap v1.0.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af // indirect
+	github.com/josharian/intern v1.0.0 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/leodido/go-urn v1.2.1 // indirect
+	github.com/lestrrat-go/strftime v1.0.6 // indirect
+	github.com/mailru/easyjson v0.7.6 // indirect
+	github.com/mattn/go-isatty v0.0.16 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
+	github.com/prometheus/client_golang v1.12.2 // indirect
+	github.com/prometheus/client_model v0.2.0 // indirect
+	github.com/prometheus/common v0.32.1 // indirect
+	github.com/prometheus/procfs v0.7.3 // indirect
+	github.com/ugorji/go/codec v1.2.7 // indirect
+	github.com/xeipuuv/gojsonpointer v0.0.0-20190809123943-df4f5c81cb3b // indirect
+	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
+	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
+	go.uber.org/atomic v1.7.0 // indirect
+	go.uber.org/multierr v1.6.0 // indirect
+	go.uber.org/zap v1.22.0 // indirect
+	golang.org/x/crypto v0.5.0 // indirect
+	golang.org/x/net v0.7.0 // indirect
+	golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4 // indirect
+	golang.org/x/sys v0.5.0 // indirect
+	golang.org/x/text v0.7.0 // indirect
+	golang.org/x/time v0.0.0-20220722155302-e5dcc9cfc0b9 // indirect
+	golang.org/x/tools v0.1.12 // indirect
+	google.golang.org/genproto v0.0.0-20200825200019-8632dd797987 // indirect
+	gopkg.in/ini.v1 v1.66.2 // indirect
+	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)
+
+require (
+	github.com/gin-gonic/gin v1.8.2
+	github.com/nacos-group/nacos-sdk-go/v2 v2.0.4 // indirect
+	github.com/swaggo/files v1.0.0
+	github.com/swaggo/gin-swagger v1.5.3
+	github.com/swaggo/swag v1.8.9
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..6d08265
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,784 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
+cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
+cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
+cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
+cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
+cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
+cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
+cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
+cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
+cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
+cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
+cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
+cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
+cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
+cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
+cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
+cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
+cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
+cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/toml v1.2.0 h1:Rt8g24XnyGTyglgET/PRUNlrUeu9F5L+7FilkXfZgs0=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc=
+github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
+github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
+github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
+github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
+github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
+github.com/agiledragon/gomonkey/v2 v2.3.1/go.mod h1:ap1AmDzcVOAz1YpeJ3TCzIgstoaWLA6jbbgxfB4w2iY=
+github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
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diff --git a/internal/catalog.go b/internal/catalog.go
new file mode 100644
index 0000000..7ae7a2b
--- /dev/null
+++ b/internal/catalog.go
@@ -0,0 +1,173 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package dal
+
+import (
+	"context"
+	"fmt"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/constants"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/dal/model"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/util"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/pkg/asyncapi"
+	v2 "github.com/apache/incubator-eventmesh/eventmesh-catalog-go/pkg/asyncapi/v2"
+	"github.com/gogf/gf/util/gconv"
+	"gorm.io/gorm"
+	"time"
+)
+
+const maxSize = 100
+
+type CatalogDAL interface {
+	Select(ctx context.Context, eventID int) (*model.Event, error)
+	SelectList(ctx context.Context, page int, size int) ([]model.Event, int, error)
+	Save(ctx context.Context, record *model.Event) error
+	SelectOperations(ctx context.Context, serviceName string, operationID string) ([]*model.EventCatalog, error)
+}
+
+func NewCatalogDAL() CatalogDAL {
+	var w catalogDALImpl
+	return &w
+}
+
+type catalogDALImpl struct {
+}
+
+func (c *catalogDALImpl) Select(ctx context.Context, eventID int) (*model.Event, error) {
+	var condition = model.Event{ID: eventID}
+	var r model.Event
+	if err := catalogDB.WithContext(ctx).Where(&condition).First(&r).Error; err != nil {
+		if err == gorm.ErrRecordNotFound {
+			return nil, nil
+		}
+		return nil, err
+	}
+	return &r, nil
+}
+
+func (c *catalogDALImpl) SelectList(ctx context.Context, page int, size int) ([]model.Event, int, error) {
+	var r []model.Event
+	db := catalogDB.WithContext(ctx).Where("1=1")
+	db = db.Where("status = ?", constants.NormalStatus)
+	if size > maxSize {
+		size = maxSize
+	}
+	if page == 0 {
+		page = 1
+	}
+	var count int64
+	db = db.Limit(size).Offset(size * (page - 1)).Order("update_time DESC")
+	if err := db.Find(&r).Count(&count).Error; err != nil {
+		if err == gorm.ErrRecordNotFound {
+			return nil, 0, nil
+		}
+		return nil, 0, err
+	}
+	return r, int(count), nil
+
+}
+
+func (c *catalogDALImpl) SelectOperations(ctx context.Context, serviceName string,
+	operationID string) ([]*model.EventCatalog, error) {
+	var res []*model.EventCatalog
+	var condition = model.EventCatalog{ServiceName: serviceName, OperationID: operationID}
+	if err := catalogDB.WithContext(ctx).Where(&condition).Find(&res).Error; err != nil {
+		return nil, err
+	}
+	return res, nil
+}
+
+func (c *catalogDALImpl) Save(ctx context.Context, record *model.Event) error {
+	return catalogDB.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
+		if record.ID > 0 {
+			if err := c.delete(tx, record); err != nil {
+				return err
+			}
+		}
+		return c.create(tx, record)
+	})
+}
+
+func (c *catalogDALImpl) insert(tx *gorm.DB, record *model.EventCatalog) error {
+	return tx.Create(record).Error
+}
+
+func (c *catalogDALImpl) insertEvent(tx *gorm.DB, record *model.Event) error {
+	return tx.Create(record).Error
+}
+
+func (c *catalogDALImpl) delete(tx *gorm.DB, record *model.Event) error {
+	var handlers []func() error
+	handlers = append(handlers, func() error {
+		cond := model.Event{Status: constants.InvalidStatus, UpdateTime: time.Now()}
+		return tx.Where("id = ?", record.ID).Updates(&cond).Error
+	}, func() error {
+		cond := model.EventCatalog{Status: constants.InvalidStatus, UpdateTime: time.Now()}
+		return tx.Where("service_name = ?", record.Title).Updates(&cond).Error
+	})
+	return util.GoAndWait(handlers...)
+}
+
+func (c *catalogDALImpl) create(tx *gorm.DB, record *model.Event) error {
+	if len(record.Definition) == 0 {
+		return nil
+	}
+	var doc = new(v2.Document)
+	if err := v2.Decode(gconv.Bytes(record.Definition), &doc); err != nil {
+		return err
+	}
+	if len(doc.Channels()) == 0 {
+		return nil
+	}
+	var handlers []func() error
+	handlers = append(handlers, func() error {
+		return c.insertEvent(tx, c.buildEvent(record.Definition, doc))
+	})
+	for _, channel := range doc.Channels() {
+		for _, operation := range channel.Operations() {
+			var eventCatalog = c.buildEventCatalog(doc.Info().Title(), channel, operation)
+			handlers = append(handlers, func() error {
+				return c.insert(tx, eventCatalog)
+			})
+		}
+	}
+	return util.GoAndWait(handlers...)
+}
+
+func (c *catalogDALImpl) buildEventCatalog(serviceName string, channel asyncapi.Channel,
+	operation asyncapi.Operation) *model.EventCatalog {
+	var record model.EventCatalog
+	record.ServiceName = serviceName
+	record.OperationID = fmt.Sprintf("file://%s.yaml#%s", serviceName, operation.ID())
+	record.ChannelName = channel.ID()
+	record.Type = string(operation.Type())
+	record.Status = constants.NormalStatus
+	record.CreateTime = time.Now()
+	record.UpdateTime = time.Now()
+	record.Schema = gconv.String(operation.Messages()[0].Payload())
+	return &record
+}
+
+func (c *catalogDALImpl) buildEvent(definition string, doc asyncapi.Document) *model.Event {
+	var record model.Event
+	record.Title = doc.Info().Title()
+	record.FileName = fmt.Sprintf("%s.yaml", record.Title)
+	record.Definition = definition
+	record.Status = constants.NormalStatus
+	record.Version = doc.Info().Version()
+	record.CreateTime = time.Now()
+	record.UpdateTime = time.Now()
+	return &record
+}
diff --git a/internal/config.go b/internal/config.go
new file mode 100644
index 0000000..f09971a
--- /dev/null
+++ b/internal/config.go
@@ -0,0 +1,44 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package dal
+
+import (
+	"database/sql"
+	"gorm.io/gorm/logger"
+	"time"
+
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+
+	pmysql "github.com/apache/incubator-eventmesh/eventmesh-server-go/plugin/database/mysql"
+)
+
+var catalogDB *gorm.DB
+
+func Open() error {
+	var err error
+	d, err := sql.Open("mysql", pmysql.PluginConfig.DSN)
+	d.SetMaxOpenConns(pmysql.PluginConfig.MaxOpen)
+	d.SetMaxIdleConns(pmysql.PluginConfig.MaxIdle)
+	d.SetConnMaxLifetime(time.Millisecond * time.Duration(pmysql.PluginConfig.MaxLifetime))
+
+	catalogDB, err = gorm.Open(mysql.New(mysql.Config{Conn: d}),
+		&gorm.Config{Logger: logger.Default.LogMode(logger.Silent)})
+	if err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/internal/constants/constants.go b/internal/constants/constants.go
new file mode 100644
index 0000000..189eee3
--- /dev/null
+++ b/internal/constants/constants.go
@@ -0,0 +1,21 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package constants
+
+const (
+	NormalStatus  = 1
+	InvalidStatus = -1
+)
diff --git a/internal/dal/catalog.go b/internal/dal/catalog.go
new file mode 100644
index 0000000..7609425
--- /dev/null
+++ b/internal/dal/catalog.go
@@ -0,0 +1,173 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package dal
+
+import (
+	"context"
+	"fmt"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/constants"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/dal/model"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/util"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/pkg/asyncapi"
+	v2 "github.com/apache/incubator-eventmesh/eventmesh-catalog-go/pkg/asyncapi/v2"
+	"github.com/gogf/gf/util/gconv"
+	"gorm.io/gorm"
+	"time"
+)
+
+const maxSize = 100
+
+type CatalogDAL interface {
+	Select(ctx context.Context, eventID int) (*model.Event, error)
+	SelectList(ctx context.Context, page int, size int) ([]model.Event, int, error)
+	Save(ctx context.Context, record *model.Event) error
+	SelectOperations(ctx context.Context, serviceName string, operationID string) ([]*model.EventCatalog, error)
+}
+
+func NewCatalogDAL() CatalogDAL {
+	var w catalogDALImpl
+	return &w
+}
+
+type catalogDALImpl struct {
+}
+
+func (c *catalogDALImpl) Select(ctx context.Context, eventID int) (*model.Event, error) {
+	var condition = model.Event{ID: eventID}
+	var r model.Event
+	if err := catalogDB.WithContext(ctx).Where(&condition).First(&r).Error; err != nil {
+		if err == gorm.ErrRecordNotFound {
+			return nil, nil
+		}
+		return nil, err
+	}
+	return &r, nil
+}
+
+func (c *catalogDALImpl) SelectList(ctx context.Context, page int, size int) ([]model.Event, int, error) {
+	var r []model.Event
+	db := catalogDB.WithContext(ctx).Where("1=1")
+	db = db.Where("status = ?", constants.NormalStatus)
+	if size > maxSize {
+		size = maxSize
+	}
+	if page == 0 {
+		page = 1
+	}
+	var count int64
+	db = db.Limit(size).Offset(size * (page - 1)).Order("update_time DESC")
+	if err := db.Find(&r).Limit(-1).Offset(-1).Count(&count).Error; err != nil {
+		if err == gorm.ErrRecordNotFound {
+			return nil, 0, nil
+		}
+		return nil, 0, err
+	}
+	return r, int(count), nil
+
+}
+
+func (c *catalogDALImpl) SelectOperations(ctx context.Context, serviceName string,
+	operationID string) ([]*model.EventCatalog, error) {
+	var res []*model.EventCatalog
+	var condition = model.EventCatalog{ServiceName: serviceName, OperationID: operationID}
+	if err := catalogDB.WithContext(ctx).Where(&condition).Find(&res).Error; err != nil {
+		return nil, err
+	}
+	return res, nil
+}
+
+func (c *catalogDALImpl) Save(ctx context.Context, record *model.Event) error {
+	return catalogDB.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
+		if record.ID > 0 {
+			if err := c.delete(tx, record); err != nil {
+				return err
+			}
+		}
+		return c.create(tx, record)
+	})
+}
+
+func (c *catalogDALImpl) insert(tx *gorm.DB, record *model.EventCatalog) error {
+	return tx.Create(record).Error
+}
+
+func (c *catalogDALImpl) insertEvent(tx *gorm.DB, record *model.Event) error {
+	return tx.Create(record).Error
+}
+
+func (c *catalogDALImpl) delete(tx *gorm.DB, record *model.Event) error {
+	var handlers []func() error
+	handlers = append(handlers, func() error {
+		cond := model.Event{Status: constants.InvalidStatus, UpdateTime: time.Now()}
+		return tx.Where("id = ?", record.ID).Updates(&cond).Error
+	}, func() error {
+		cond := model.EventCatalog{Status: constants.InvalidStatus, UpdateTime: time.Now()}
+		return tx.Where("service_name = ?", record.Title).Updates(&cond).Error
+	})
+	return util.GoAndWait(handlers...)
+}
+
+func (c *catalogDALImpl) create(tx *gorm.DB, record *model.Event) error {
+	if len(record.Definition) == 0 {
+		return nil
+	}
+	var doc = new(v2.Document)
+	if err := v2.Decode(gconv.Bytes(record.Definition), &doc); err != nil {
+		return err
+	}
+	if len(doc.Channels()) == 0 {
+		return nil
+	}
+	var handlers []func() error
+	handlers = append(handlers, func() error {
+		return c.insertEvent(tx, c.buildEvent(record.Definition, doc))
+	})
+	for _, channel := range doc.Channels() {
+		for _, operation := range channel.Operations() {
+			var eventCatalog = c.buildEventCatalog(doc.Info().Title(), channel, operation)
+			handlers = append(handlers, func() error {
+				return c.insert(tx, eventCatalog)
+			})
+		}
+	}
+	return util.GoAndWait(handlers...)
+}
+
+func (c *catalogDALImpl) buildEventCatalog(serviceName string, channel asyncapi.Channel,
+	operation asyncapi.Operation) *model.EventCatalog {
+	var record model.EventCatalog
+	record.ServiceName = serviceName
+	record.OperationID = fmt.Sprintf("file://%s.yaml#%s", serviceName, operation.ID())
+	record.ChannelName = channel.ID()
+	record.Type = string(operation.Type())
+	record.Status = constants.NormalStatus
+	record.CreateTime = time.Now()
+	record.UpdateTime = time.Now()
+	record.Schema = gconv.String(operation.Messages()[0].Payload())
+	return &record
+}
+
+func (c *catalogDALImpl) buildEvent(definition string, doc asyncapi.Document) *model.Event {
+	var record model.Event
+	record.Title = doc.Info().Title()
+	record.FileName = fmt.Sprintf("%s.yaml", record.Title)
+	record.Definition = definition
+	record.Status = constants.NormalStatus
+	record.Version = doc.Info().Version()
+	record.CreateTime = time.Now()
+	record.UpdateTime = time.Now()
+	return &record
+}
diff --git a/internal/dal/config.go b/internal/dal/config.go
new file mode 100644
index 0000000..f09971a
--- /dev/null
+++ b/internal/dal/config.go
@@ -0,0 +1,44 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package dal
+
+import (
+	"database/sql"
+	"gorm.io/gorm/logger"
+	"time"
+
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+
+	pmysql "github.com/apache/incubator-eventmesh/eventmesh-server-go/plugin/database/mysql"
+)
+
+var catalogDB *gorm.DB
+
+func Open() error {
+	var err error
+	d, err := sql.Open("mysql", pmysql.PluginConfig.DSN)
+	d.SetMaxOpenConns(pmysql.PluginConfig.MaxOpen)
+	d.SetMaxIdleConns(pmysql.PluginConfig.MaxIdle)
+	d.SetConnMaxLifetime(time.Millisecond * time.Duration(pmysql.PluginConfig.MaxLifetime))
+
+	catalogDB, err = gorm.Open(mysql.New(mysql.Config{Conn: d}),
+		&gorm.Config{Logger: logger.Default.LogMode(logger.Silent)})
+	if err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/internal/dal/model/event.go b/internal/dal/model/event.go
new file mode 100644
index 0000000..5d6c3fc
--- /dev/null
+++ b/internal/dal/model/event.go
@@ -0,0 +1,35 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package model
+
+import (
+	"time"
+)
+
+type Event struct {
+	ID         int       `json:"id" gorm:"column:id;type:int;primaryKey;autoIncrement"`
+	Title      string    `json:"title" gorm:"column:title;type:varchar;size:1024"`
+	FileName   string    `json:"file_name" gorm:"column:file_name;type:varchar;size:1024"`
+	Definition string    `json:"definition" gorm:"column:definition;type:text;"`
+	Status     int       `json:"status" gorm:"column:status;type:int"`
+	Version    string    `json:"version" gorm:"column:version;type:varchar;size:64"`
+	CreateTime time.Time `json:"create_time"`
+	UpdateTime time.Time `json:"update_time"`
+}
+
+func (w Event) TableName() string {
+	return "t_event"
+}
diff --git a/internal/dal/model/event_catalog.go b/internal/dal/model/event_catalog.go
new file mode 100644
index 0000000..450b317
--- /dev/null
+++ b/internal/dal/model/event_catalog.go
@@ -0,0 +1,36 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package model
+
+import (
+	"time"
+)
+
+type EventCatalog struct {
+	ID          int       `json:"id" gorm:"column:id;type:int;primaryKey;autoIncrement"`
+	ServiceName string    `json:"service_name" gorm:"column:service_name;type:varchar;size:256"`
+	OperationID string    `json:"operation_id" gorm:"column:operation_id;type:varchar;size:1024"`
+	ChannelName string    `json:"channel_name" gorm:"column:channel_name;type:varchar;size:1024"`
+	Type        string    `json:"type" gorm:"column:type;type:string"`
+	Schema      string    `json:"schema" gorm:"column:schema;type:text;"`
+	Status      int       `json:"status" gorm:"column:status;type:int"`
+	CreateTime  time.Time `json:"create_time"`
+	UpdateTime  time.Time `json:"update_time"`
+}
+
+func (w EventCatalog) TableName() string {
+	return "t_event_catalog"
+}
diff --git a/internal/util/catalog_util.go b/internal/util/catalog_util.go
new file mode 100644
index 0000000..98f063e
--- /dev/null
+++ b/internal/util/catalog_util.go
@@ -0,0 +1,60 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package util
+
+import (
+	"runtime"
+	"sync"
+
+	"github.com/apache/incubator-eventmesh/eventmesh-server-go/log"
+)
+
+// PanicBufLen is len of buffer used for stack trace logging
+// when the goroutine panics, 1024 by default.
+var PanicBufLen = 1024
+
+// GoAndWait provides safe concurrent handling. Per input handler, it starts a goroutine.
+// Then it waits until all handlers are done and will recover if any handler panics.
+// The returned error is the first non-nil error returned by one of the handlers.
+// It can be set that non-nil error will be returned if the "key" handler fails while other handlers always
+// return nil error.
+func GoAndWait(handlers ...func() error) error {
+	var (
+		wg   sync.WaitGroup
+		once sync.Once
+		err  error
+	)
+	for _, f := range handlers {
+		wg.Add(1)
+		go func(handler func() error) {
+			defer func() {
+				if e := recover(); e != nil {
+					buf := make([]byte, PanicBufLen)
+					buf = buf[:runtime.Stack(buf, false)]
+					log.Errorf("[PANIC]%v\n%s\n", e, buf)
+				}
+				wg.Done()
+			}()
+			if e := handler(); e != nil {
+				once.Do(func() {
+					err = e
+				})
+			}
+		}(f)
+	}
+	wg.Wait()
+	return err
+}
diff --git a/internal/util/file_utils.go b/internal/util/file_utils.go
new file mode 100644
index 0000000..9dff3c8
--- /dev/null
+++ b/internal/util/file_utils.go
@@ -0,0 +1,27 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package util
+
+import "os"
+
+// Exists check if the file exists
+func Exists(path string) bool {
+	_, err := os.Stat(path)
+	if err == nil {
+		return true
+	}
+	return os.IsExist(err)
+}
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..969d035
--- /dev/null
+++ b/main.go
@@ -0,0 +1,40 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/api"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/api/proto"
+	"github.com/apache/incubator-eventmesh/eventmesh-server-go/log"
+	_ "github.com/apache/incubator-eventmesh/eventmesh-server-go/pkg/naming/registry"
+	_ "github.com/apache/incubator-eventmesh/eventmesh-server-go/plugin/database/mysql"
+	_ "github.com/apache/incubator-eventmesh/eventmesh-server-go/plugin/naming/nacos/selector"
+)
+
+func main() {
+	s, err := NewServer()
+	if err != nil {
+		log.Fatal("flow new server fail: " + err.Error())
+	}
+	router(s)
+	if err = s.Run(); err != nil {
+		log.Fatal("run server fail: " + err.Error())
+	}
+}
+
+func router(s *Server) {
+	proto.RegisterCatalogServer(s.Server, api.NewCatalogImpl())
+}
diff --git a/pkg/asyncapi/decode.go b/pkg/asyncapi/decode.go
new file mode 100644
index 0000000..378b7a5
--- /dev/null
+++ b/pkg/asyncapi/decode.go
@@ -0,0 +1,29 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package asyncapi
+
+// Decoder decodes an AsyncAPI document (several formats can be supported).
+// See https://github.com/asyncapi/parser-go#overview for the minimum supported schemas.
+type Decoder interface {
+	Decode([]byte, interface{}) error
+}
+
+// DecodeFunc is a helper func that implements the Decoder interface.
+type DecodeFunc func([]byte, interface{}) error
+
+func (d DecodeFunc) Decode(b []byte, dst interface{}) error {
+	return d(b, dst)
+}
diff --git a/pkg/asyncapi/document.go b/pkg/asyncapi/document.go
new file mode 100644
index 0000000..ead3ce3
--- /dev/null
+++ b/pkg/asyncapi/document.go
@@ -0,0 +1,212 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package asyncapi
+
+// Document is an object representing an AsyncAPI document.
+// NOTE: this interface is not completed yet.
+type Document interface {
+	Extendable
+	Channels() []Channel
+	HasChannels() bool
+	ApplicationPublishableChannels() []Channel
+	ApplicationPublishableMessages() []Message
+	ApplicationPublishOperations() []Operation
+	ApplicationSubscribableChannels() []Channel
+	ApplicationSubscribableMessages() []Message
+	ApplicationSubscribeOperations() []Operation
+	ClientPublishableChannels() []Channel
+	ClientPublishableMessages() []Message
+	ClientPublishOperations() []Operation
+	ClientSubscribableChannels() []Channel
+	ClientSubscribableMessages() []Message
+	ClientSubscribeOperations() []Operation
+	Messages() []Message
+	Server(name string) (Server, bool)
+	Servers() []Server
+	HasServers() bool
+	Info() Info
+}
+
+type Info interface {
+	Title() string
+	Version() string
+}
+
+// Channel is an addressable component, made available by the server, for the organization of messages.
+// Producer applications send messages to channels and consumer applications consume messages from channels.
+type Channel interface {
+	Extendable
+	Identifiable
+	Describable
+	Path() string // Path is the identifier
+	Parameters() []ChannelParameter
+	HasParameters() bool
+	Operations() []Operation
+	Messages() []Message
+}
+
+// ChannelParameter describes a parameter included in a channel name.
+type ChannelParameter interface {
+	Extendable
+	Identifiable
+	Describable
+	Name() string
+	Schema() Schema
+}
+
+// OperationType is the type of an operation.
+type OperationType string
+
+// Operation describes a publish or a subscribe operation.
+// This provides a place to document how and why messages are sent and received.
+type Operation interface {
+	Extendable
+	Describable
+	ID() string
+	IsApplicationPublishing() bool
+	IsApplicationSubscribing() bool
+	IsClientPublishing() bool
+	IsClientSubscribing() bool
+	Messages() []Message
+	Summary() string
+	HasSummary() bool
+	Type() OperationType
+}
+
+// Message describes a message received on a given channel and operation.
+type Message interface {
+	Extendable
+	Describable
+	UID() string
+	Name() string
+	Title() string
+	HasTitle() bool
+	Summary() string
+	HasSummary() bool
+	ContentType() string
+	Payload() Schema
+}
+
+// FalsifiableSchema is a variadic type used for some Schema fields.
+// For example, additionalProperties value can be either `false` or a Schema.
+type FalsifiableSchema interface {
+	IsFalse() bool
+	IsSchema() bool
+	Schema() Schema
+}
+
+// Schema is an object that allows the definition of input and output data types.
+// These types can be objects, but also primitives and arrays.
+// This object is a superset of the JSON Schema Specification Draft 07.
+type Schema interface {
+	Extendable
+	ID() string
+	AdditionalItems() FalsifiableSchema
+	AdditionalProperties() FalsifiableSchema
+	AllOf() []Schema
+	AnyOf() []Schema
+	CircularProps() []string
+	Const() interface{}
+	Contains() Schema
+	ContentEncoding() string
+	ContentMediaType() string
+	Default() interface{}
+	Definitions() map[string]Schema
+	Dependencies() map[string]Schema
+	Deprecated() bool
+	Description() string
+	Discriminator() string
+	Else() Schema
+	Enum() []interface{}
+	Examples() []interface{}
+	ExclusiveMaximum() *float64
+	ExclusiveMinimum() *float64
+	Format() string
+	HasCircularProps() bool
+	If() Schema
+	IsCircular() bool
+	Items() []Schema
+	Maximum() *float64
+	MaxItems() *float64
+	MaxLength() *float64
+	MaxProperties() *float64
+	Minimum() *float64
+	MinItems() *float64
+	MinLength() *float64
+	MinProperties() *float64
+	MultipleOf() *float64
+	Not() Schema
+	OneOf() []Schema
+	Pattern() string
+	PatternProperties() map[string]Schema
+	Properties() map[string]Schema
+	Property(name string) Schema
+	PropertyNames() Schema
+	ReadOnly() bool
+	Required() []string
+	Then() Schema
+	Title() string
+	Type() []string
+	UID() string
+	UniqueItems() bool
+	WriteOnly() bool
+}
+
+// Server is an object representing a message broker, a server or any other kind of computer program capable of
+// sending and/or receiving data.
+type Server interface {
+	Extendable
+	Identifiable
+	Describable
+	Name() string
+	HasName() bool
+	URL() string
+	HasURL() bool
+	Protocol() string
+	HasProtocol() bool
+	Variables() []ServerVariable
+}
+
+// ServerVariable is an object representing a Server Variable for server URL template substitution.
+type ServerVariable interface {
+	Extendable
+	Identifiable
+	Name() string
+	HasName() bool
+	DefaultValue() string
+	AllowedValues() []string // Parser API spec says any[], but AsyncAPI mentions is []string
+}
+
+// Extendable means the object can have extensions.
+// The extensions properties are implemented as patterned fields that are always prefixed by "x-".
+// See https://www.asyncapi.com/docs/specifications/v2.0.0#specificationExtensions.
+type Extendable interface {
+	HasExtension(name string) bool
+	Extension(name string) interface{}
+}
+
+// Describable means the object can have a description.
+type Describable interface {
+	Description() string
+	HasDescription() bool
+}
+
+// Identifiable identifies objects. Some objects can have fields that identify themselves as unique resources.
+// For example: `id` and `name` fields.
+type Identifiable interface {
+	IDField() string
+	ID() string
+}
diff --git a/pkg/asyncapi/v2/decode.go b/pkg/asyncapi/v2/decode.go
new file mode 100644
index 0000000..ea9bca4
--- /dev/null
+++ b/pkg/asyncapi/v2/decode.go
@@ -0,0 +1,114 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package v2
+
+import (
+	"bytes"
+	"encoding/json"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/pkg/asyncapi"
+	"reflect"
+
+	"github.com/asyncapi/parser-go/pkg/parser"
+	"github.com/mitchellh/mapstructure"
+	"github.com/pkg/errors"
+)
+
+// Decode implements the Decoder interface. Decodes AsyncAPI V2.x.x documents.
+func Decode(b []byte, dst interface{}) error {
+	r, err := parser.NewReader(string(b)) // parser should provide another method for parsing []byte
+	if err != nil {
+		return errors.Wrap(err, "error reading AsyncAPI doc")
+	}
+
+	p, err := parser.New()
+	if err != nil {
+		return err
+	}
+
+	w := bytes.NewBuffer(nil)
+	if err := p(r, w); err != nil {
+		return errors.Wrap(err, "error parsing AsyncAPI doc")
+	}
+
+	raw := make(map[string]interface{})
+	if err := json.Unmarshal(w.Bytes(), &raw); err != nil {
+		return err
+	}
+
+	dec, err := mapstructure.NewDecoder(&mapstructure.DecoderConfig{
+		DecodeHook: mapstructure.ComposeDecodeHookFunc(setModelIdentifierHook, setDefaultsHook),
+		Squash:     true,
+		Result:     dst,
+	})
+	if err != nil {
+		return err
+	}
+
+	return dec.Decode(raw)
+}
+
+// setModelIdentifierHook is a hook for the mapstructure decoder.
+// It checks if the destination type is a map of Identifiable elements and sets the proper identifier (name, id, etc) to it.
+// Example: Useful for storing the name of the server in the Server struct (AsyncAPI doc does not have such field because it assumes the name is the key of the map).
+func setModelIdentifierHook(from reflect.Type, to reflect.Type, data interface{}) (interface{}, error) {
+	if from.Kind() != reflect.Map || to.Kind() != reflect.Map {
+		return data, nil
+	}
+
+	identifiableInterface := reflect.TypeOf((*asyncapi.Identifiable)(nil)).Elem()
+	if to.Key() != reflect.TypeOf("string") || !to.Elem().Implements(identifiableInterface) {
+		return data, nil
+	}
+
+	fieldName := reflect.New(to.Elem()).Interface().(asyncapi.Identifiable).IDField()
+	for k, v := range data.(map[string]interface{}) {
+		// setting the value directly in the raw map. The struct needs to keep the mapstructure field tag so it unmarshals the field.
+		v.(map[string]interface{})[fieldName] = k
+	}
+
+	return data, nil
+}
+
+// MapStructureDefaultsProvider tells to mapstructure setDefaultsHook the defaults value for that type.
+type MapStructureDefaultsProvider interface {
+	MapStructureDefaults() map[string]interface{}
+}
+
+// setDefaultsHook is a hook for the mapstructure decoder.
+// It checks if the destination type implements MapStructureDefaultsProvider.
+// If so, it gets the defaults values from it and sets them if empty.
+func setDefaultsHook(_ reflect.Type, to reflect.Type, data interface{}) (interface{}, error) {
+	if !to.Implements(reflect.TypeOf((*MapStructureDefaultsProvider)(nil)).Elem()) {
+		return data, nil
+	}
+
+	var toType reflect.Type
+	switch to.Kind() { //nolint:exhaustive
+	case reflect.Array, reflect.Chan, reflect.Map, reflect.Ptr, reflect.Slice:
+		toType = to.Elem()
+	default:
+		toType = to
+	}
+
+	defaults := reflect.New(toType).Interface().(MapStructureDefaultsProvider).MapStructureDefaults()
+	for k, v := range defaults {
+		if _, ok := data.(map[string]interface{})[k]; !ok {
+			data.(map[string]interface{})[k] = v
+		}
+	}
+
+	return data, nil
+}
diff --git a/pkg/asyncapi/v2/v2.go b/pkg/asyncapi/v2/v2.go
new file mode 100644
index 0000000..90649d5
--- /dev/null
+++ b/pkg/asyncapi/v2/v2.go
@@ -0,0 +1,887 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package v2
+
+import (
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/pkg/asyncapi"
+)
+
+// Constants for Operation Types.
+const (
+	OperationTypePublish   asyncapi.OperationType = "publish"
+	OperationTypeSubscribe asyncapi.OperationType = "subscribe"
+)
+
+type Info struct {
+	TitleField   string `mapstructure:"title" json:"title"`
+	VersionField string `mapstructure:"version" json:"version"`
+}
+
+func (info *Info) Title() string {
+	return info.TitleField
+}
+
+func (info *Info) Version() string {
+	return info.VersionField
+}
+
+type Document struct {
+	Extendable
+	InfoField     Info               `mapstructure:"info" json:"info"`
+	ServersField  map[string]Server  `mapstructure:"servers" json:"servers"`
+	ChannelsField map[string]Channel `mapstructure:"channels" json:"channels"`
+}
+
+func (d Document) Info() asyncapi.Info {
+	return &d.InfoField
+}
+
+func (d Document) ApplicationPublishableChannels() []asyncapi.Channel {
+	return d.filterChannels(func(operation asyncapi.Operation) bool {
+		return operation.IsApplicationPublishing()
+	})
+}
+
+func (d Document) ApplicationPublishableMessages() []asyncapi.Message {
+	return d.filterMessages(func(operation asyncapi.Operation) bool {
+		return operation.IsApplicationPublishing()
+	})
+}
+
+func (d Document) ApplicationPublishOperations() []asyncapi.Operation {
+	return d.filterOperations(func(operation asyncapi.Operation) bool {
+		return operation.IsApplicationPublishing()
+	})
+}
+
+func (d Document) ApplicationSubscribableChannels() []asyncapi.Channel {
+	return d.filterChannels(func(operation asyncapi.Operation) bool {
+		return operation.IsApplicationSubscribing()
+	})
+}
+
+func (d Document) ApplicationSubscribableMessages() []asyncapi.Message {
+	return d.filterMessages(func(operation asyncapi.Operation) bool {
+		return operation.IsApplicationSubscribing()
+	})
+}
+
+func (d Document) ApplicationSubscribeOperations() []asyncapi.Operation {
+	return d.filterOperations(func(operation asyncapi.Operation) bool {
+		return operation.IsApplicationSubscribing()
+	})
+}
+
+func (d Document) Channels() []asyncapi.Channel {
+	var channels []asyncapi.Channel
+	for _, c := range d.ChannelsField {
+		channels = append(channels, c)
+	}
+
+	return channels
+}
+
+func (d Document) HasChannels() bool {
+	return len(d.ChannelsField) > 0
+}
+
+func (d Document) ClientPublishableChannels() []asyncapi.Channel {
+	return d.filterChannels(func(operation asyncapi.Operation) bool {
+		return operation.IsClientPublishing()
+	})
+}
+
+func (d Document) ClientPublishableMessages() []asyncapi.Message {
+	return d.filterMessages(func(operation asyncapi.Operation) bool {
+		return operation.IsClientPublishing()
+	})
+}
+
+func (d Document) ClientPublishOperations() []asyncapi.Operation {
+	return d.filterOperations(func(operation asyncapi.Operation) bool {
+		return operation.IsClientPublishing()
+	})
+}
+
+func (d Document) ClientSubscribableChannels() []asyncapi.Channel {
+	return d.filterChannels(func(operation asyncapi.Operation) bool {
+		return operation.IsClientSubscribing()
+	})
+}
+
+func (d Document) ClientSubscribableMessages() []asyncapi.Message {
+	return d.filterMessages(func(operation asyncapi.Operation) bool {
+		return operation.IsClientSubscribing()
+	})
+}
+
+func (d Document) ClientSubscribeOperations() []asyncapi.Operation {
+	return d.filterOperations(func(operation asyncapi.Operation) bool {
+		return operation.IsClientSubscribing()
+	})
+}
+
+func (d Document) Messages() []asyncapi.Message {
+	var messages []asyncapi.Message
+	for _, c := range d.Channels() {
+		messages = append(messages, c.Messages()...)
+	}
+
+	return messages
+}
+
+func (d Document) Server(name string) (asyncapi.Server, bool) {
+	s, ok := d.ServersField[name]
+	return s, ok
+}
+
+func (d Document) Servers() []asyncapi.Server {
+	var servers []asyncapi.Server
+	for _, s := range d.ServersField {
+		servers = append(servers, s)
+	}
+
+	return servers
+}
+
+func (d Document) HasServers() bool {
+	return len(d.ServersField) > 0
+}
+
+func (d Document) filterChannels(filter func(operation asyncapi.Operation) bool) []asyncapi.Channel {
+	var channels []asyncapi.Channel
+	for _, c := range d.Channels() {
+		for _, o := range c.Operations() {
+			if filter(o) {
+				channels = append(channels, c)
+			}
+		}
+	}
+
+	return channels
+}
+
+func (d Document) filterMessages(filter func(operation asyncapi.Operation) bool) []asyncapi.Message {
+	var messages []asyncapi.Message
+	for _, c := range d.Channels() {
+		for _, o := range c.Operations() {
+			if filter(o) {
+				messages = append(messages, o.Messages()...)
+			}
+		}
+	}
+
+	return messages
+}
+
+func (d Document) filterOperations(filter func(operation asyncapi.Operation) bool) []asyncapi.Operation {
+	var operations []asyncapi.Operation
+	for _, c := range d.Channels() {
+		for _, o := range c.Operations() {
+			if filter(o) {
+				operations = append(operations, o)
+			}
+		}
+	}
+
+	return operations
+}
+
+// NewChannel creates a new Channel. Useful for testing.
+func NewChannel(path string) *Channel {
+	return &Channel{
+		PathField: path,
+	}
+}
+
+type Channel struct {
+	Extendable
+	Describable     `mapstructure:",squash"`
+	PathField       string                      `mapstructure:"path" json:"path"`
+	ParametersField map[string]ChannelParameter `mapstructure:"parameters" json:"parameters"`
+	Subscribe       *SubscribeOperation         `mapstructure:"subscribe" json:"subscribe"`
+	Publish         *PublishOperation           `mapstructure:"publish" json:"publish"`
+}
+
+func (c Channel) IDField() string {
+	return "path"
+}
+
+func (c Channel) ID() string {
+	return c.PathField
+}
+
+func (c Channel) Path() string {
+	return c.PathField
+}
+
+func (c Channel) Parameters() []asyncapi.ChannelParameter {
+	var parameters []asyncapi.ChannelParameter
+	for _, p := range c.ParametersField {
+		parameters = append(parameters, p)
+	}
+
+	return parameters
+}
+
+func (c Channel) HasParameters() bool {
+	return len(c.ParametersField) > 0
+}
+
+func (c Channel) Operations() []asyncapi.Operation {
+	var operations []asyncapi.Operation
+	if c.Publish != nil {
+		operations = append(operations, c.Publish)
+	}
+	if c.Subscribe != nil {
+		operations = append(operations, c.Subscribe)
+	}
+
+	return operations
+}
+
+func (c Channel) Messages() []asyncapi.Message {
+	var messages []asyncapi.Message
+	for _, o := range c.Operations() {
+		messages = append(messages, o.Messages()...)
+	}
+
+	return messages
+}
+
+type ChannelParameter struct {
+	Extendable
+	Describable
+	NameField   string  `mapstructure:"name"`
+	SchemaField *Schema `mapstructure:"schema"`
+}
+
+func (c ChannelParameter) IDField() string {
+	return "name"
+}
+
+func (c ChannelParameter) ID() string {
+	return c.NameField
+}
+
+func (c ChannelParameter) Name() string {
+	return c.NameField
+}
+
+func (c ChannelParameter) Schema() asyncapi.Schema {
+	return c.SchemaField
+}
+
+type SubscribeOperation struct {
+	Operation
+}
+
+// NewSubscribeOperation creates a new SubscribeOperation. Useful for testing.
+func NewSubscribeOperation(msgs ...*Message) *SubscribeOperation {
+	return &SubscribeOperation{Operation: *NewOperation(OperationTypeSubscribe, msgs...)}
+}
+
+func (o SubscribeOperation) MapStructureDefaults() map[string]interface{} {
+	return map[string]interface{}{
+		"operationType": OperationTypeSubscribe,
+	}
+}
+
+// NewPublishOperation creates a new PublishOperation. Useful for testing.
+func NewPublishOperation(msgs ...*Message) *PublishOperation {
+	return &PublishOperation{Operation: *NewOperation(OperationTypePublish, msgs...)}
+}
+
+type PublishOperation struct {
+	Operation
+}
+
+func (o PublishOperation) MapStructureDefaults() map[string]interface{} {
+	return map[string]interface{}{
+		"operationType": OperationTypePublish,
+	}
+}
+
+// NewOperation creates a new Operation. Useful for testing.
+func NewOperation(operationType asyncapi.OperationType, msgs ...*Message) *Operation {
+	op := &Operation{
+		OperationType: operationType,
+	}
+
+	if len(msgs) == 0 {
+		return op
+	}
+
+	op.MessageField = *NewMessages(msgs)
+
+	return op
+}
+
+type Operation struct {
+	Extendable
+	Describable      `mapstructure:",squash"`
+	OperationIDField string                 `mapstructure:"operationId" json:"operationId"`
+	MessageField     Messages               `mapstructure:"message" json:"message"`
+	OperationType    asyncapi.OperationType `mapstructure:"operationType" json:"operationType"` // set by hook
+	SummaryField     string                 `mapstructure:"summary" json:"summary"`
+}
+
+func (o Operation) ID() string {
+	return o.OperationIDField
+}
+
+func (o Operation) IsApplicationPublishing() bool {
+	return o.Type() == OperationTypeSubscribe
+}
+
+func (o Operation) IsApplicationSubscribing() bool {
+	return o.Type() == OperationTypePublish
+}
+
+func (o Operation) IsClientPublishing() bool {
+	return o.Type() == OperationTypePublish
+}
+
+func (o Operation) IsClientSubscribing() bool {
+	return o.Type() == OperationTypeSubscribe
+}
+
+func (o Operation) Messages() []asyncapi.Message {
+	msgs := o.MessageField.Messages()
+
+	convertedMsgs := make([]asyncapi.Message, len(msgs)) // Go lack of covariance :/
+	for i, m := range msgs {
+		convertedMsgs[i] = m
+	}
+	return convertedMsgs
+}
+
+func (o Operation) Type() asyncapi.OperationType {
+	return o.OperationType
+}
+
+func (o Operation) Summary() string {
+	return o.SummaryField
+}
+
+func (o Operation) HasSummary() bool {
+	return o.SummaryField != ""
+}
+
+// Messages is a variadic type for Message object, which can be either one message or oneOf.
+// See https://www.asyncapi.com/docs/specifications/v2.0.0#operationObject.
+type Messages struct {
+	Message    `mapstructure:",squash"`
+	OneOfField []*Message `mapstructure:"oneOf" json:"oneOf"`
+}
+
+func (m *Messages) Messages() []*Message {
+	if len(m.OneOfField) > 0 {
+		return m.OneOfField
+	}
+
+	return []*Message{&m.Message}
+}
+
+// NewMessages creates Messages.
+func NewMessages(msgs []*Message) *Messages {
+	if len(msgs) == 1 {
+		return &Messages{Message: *msgs[0]}
+	}
+
+	return &Messages{OneOfField: msgs}
+}
+
+type Message struct {
+	Extendable
+	Describable      `mapstructure:",squash"`
+	NameField        string  `mapstructure:"name" json:"name"`
+	TitleField       string  `mapstructure:"title" json:"title"`
+	SummaryField     string  `mapstructure:"summary" json:"summary"`
+	ContentTypeField string  `mapstructure:"contentType" json:"contentType"`
+	PayloadField     *Schema `mapstructure:"payload" json:"payload"`
+}
+
+func (m Message) UID() string {
+	return m.Name()
+}
+
+func (m Message) Name() string {
+	return m.NameField
+}
+
+func (m Message) Title() string {
+	return m.TitleField
+}
+
+func (m Message) HasTitle() bool {
+	return m.TitleField != ""
+}
+
+func (m Message) Summary() string {
+	return m.SummaryField
+}
+
+func (m Message) HasSummary() bool {
+	return m.SummaryField != ""
+}
+
+func (m Message) ContentType() string {
+	return m.ContentTypeField
+}
+
+func (m Message) Payload() asyncapi.Schema {
+	return m.PayloadField
+}
+
+type Schemas map[string]*Schema
+
+func (s Schemas) ToInterface(dst map[string]asyncapi.Schema) map[string]asyncapi.Schema {
+	if len(dst) > 0 {
+		return dst
+	}
+
+	if dst == nil {
+		dst = make(map[string]asyncapi.Schema)
+	}
+
+	for k, v := range s {
+		dst[k] = v
+	}
+
+	return dst
+}
+
+type FalsifiableSchema struct {
+	val interface{}
+}
+
+// NewFalsifiableSchema creates a new FalsifiableSchema.
+func NewFalsifiableSchema(val interface{}) *FalsifiableSchema {
+	if val == nil {
+		return nil
+	}
+	return &FalsifiableSchema{val: val}
+}
+
+func (f FalsifiableSchema) IsFalse() bool {
+	_, ok := f.val.(bool)
+	return ok
+}
+
+func (f FalsifiableSchema) IsSchema() bool {
+	_, ok := f.val.(*Schema)
+	return ok
+}
+
+func (f FalsifiableSchema) Schema() asyncapi.Schema {
+	if f.IsSchema() {
+		return f.val.(*Schema)
+	}
+
+	return nil
+}
+
+type Schema struct {
+	Extendable
+	AdditionalItemsField      interface{}       `mapstructure:"additionalItems" json:"additionalItems,omitempty"`
+	AdditionalPropertiesField interface{}       `mapstructure:"additionalProperties" json:"additionalProperties,omitempty"` // Schema || false
+	AllOfField                []asyncapi.Schema `mapstructure:"allOf" json:"allOf,omitempty"`
+	AnyOfField                []asyncapi.Schema `mapstructure:"anyOf" json:"anyOf,omitempty"`
+	ConstField                interface{}       `mapstructure:"const" json:"const,omitempty"`
+	ContainsField             *Schema           `mapstructure:"contains" json:"contains,omitempty"`
+	ContentEncodingField      string            `mapstructure:"contentEncoding" json:"contentEncoding,omitempty"`
+	ContentMediaTypeField     string            `mapstructure:"contentMediaType" json:"contentMediaType,omitempty"`
+	DefaultField              interface{}       `mapstructure:"default" json:"default,omitempty"`
+	DefinitionsField          Schemas           `mapstructure:"definitions" json:"definitions,omitempty"`
+	DependenciesField         Schemas           `mapstructure:"dependencies" json:"dependencies,omitempty"`
+	DeprecatedField           bool              `mapstructure:"deprecated" json:"deprecated,omitempty"`
+	DescriptionField          string            `mapstructure:"description" json:"description,omitempty"`
+	DiscriminatorField        string            `mapstructure:"discriminator" json:"discriminator,omitempty"`
+	ElseField                 *Schema           `mapstructure:"else" json:"else,omitempty"`
+	EnumField                 []interface{}     `mapstructure:"enum" json:"enum,omitempty"`
+	ExamplesField             []interface{}     `mapstructure:"examples" json:"examples,omitempty"`
+	ExclusiveMaximumField     *float64          `mapstructure:"exclusiveMaximum" json:"exclusiveMaximum,omitempty"`
+	ExclusiveMinimumField     *float64          `mapstructure:"exclusiveMinimum" json:"exclusiveMinimum,omitempty"`
+	FormatField               string            `mapstructure:"format" json:"format,omitempty"`
+	IDField                   string            `mapstructure:"$id" json:"$id,omitempty"`
+	IfField                   *Schema           `mapstructure:"if" json:"if,omitempty"`
+	ItemsField                []asyncapi.Schema `mapstructure:"items" json:"items,omitempty"`
+	MaximumField              *float64          `mapstructure:"maximum" json:"maximum,omitempty"`
+	MaxItemsField             *float64          `mapstructure:"maxItems" json:"maxItems,omitempty"`
+	MaxLengthField            *float64          `mapstructure:"maxLength" json:"maxLength,omitempty"`
+	MaxPropertiesField        *float64          `mapstructure:"maxProperties" json:"maxProperties,omitempty"`
+	MinimumField              *float64          `mapstructure:"minimum" json:"minimum,omitempty"`
+	MinItemsField             *float64          `mapstructure:"minItems" json:"minItems,omitempty"`
+	MinLengthField            *float64          `mapstructure:"minLength" json:"minLength,omitempty"`
+	MinPropertiesField        *float64          `mapstructure:"minProperties" json:"minProperties,omitempty"`
+	MultipleOfField           *float64          `mapstructure:"multipleOf" json:"multipleOf,omitempty"`
+	NotField                  *Schema           `mapstructure:"not" json:"not,omitempty"`
+	OneOfField                []asyncapi.Schema `mapstructure:"oneOf" json:"oneOf,omitempty"`
+	PatternField              string            `mapstructure:"pattern" json:"pattern,omitempty"`
+	PatternPropertiesField    Schemas           `mapstructure:"patternProperties" json:"patternProperties,omitempty"`
+	PropertiesField           Schemas           `mapstructure:"properties" json:"properties,omitempty"`
+	PropertyNamesField        *Schema           `mapstructure:"propertyNames" json:"propertyNames,omitempty"`
+	ReadOnlyField             bool              `mapstructure:"readOnly" json:"readOnly,omitempty"`
+	RequiredField             []string          `mapstructure:"required" json:"required,omitempty"`
+	ThenField                 *Schema           `mapstructure:"then" json:"then,omitempty"`
+	TitleField                string            `mapstructure:"title" json:"title,omitempty"`
+	TypeField                 interface{}       `mapstructure:"type" json:"type,omitempty"` // string | []string
+	UniqueItemsField          bool              `mapstructure:"uniqueItems" json:"uniqueItems,omitempty"`
+	WriteOnlyField            bool              `mapstructure:"writeOnly" json:"writeOnly,omitempty"`
+
+	// cached converted map[string]asyncapi.Schema from map[string]*Schema
+	propertiesFieldMap        map[string]asyncapi.Schema
+	patternPropertiesFieldMap map[string]asyncapi.Schema
+	definitionsFieldMap       map[string]asyncapi.Schema
+	dependenciesFieldMap      map[string]asyncapi.Schema
+}
+
+func (s *Schema) AdditionalItems() asyncapi.FalsifiableSchema {
+	return NewFalsifiableSchema(s.AdditionalItemsField)
+}
+
+func (s *Schema) AdditionalProperties() asyncapi.FalsifiableSchema {
+	return NewFalsifiableSchema(s.AdditionalPropertiesField)
+}
+
+func (s *Schema) AllOf() []asyncapi.Schema {
+	return s.AllOfField
+}
+
+func (s *Schema) AnyOf() []asyncapi.Schema {
+	return s.AnyOfField
+}
+
+func (s *Schema) CircularProps() []string {
+	if props, ok := s.Extension("x-parser-circular-props").([]string); ok {
+		return props
+	}
+
+	return nil
+}
+
+func (s *Schema) Const() interface{} {
+	return s.ConstField
+}
+
+func (s *Schema) Contains() asyncapi.Schema {
+	return s.ContainsField
+}
+
+func (s *Schema) ContentEncoding() string {
+	return s.ContentEncodingField
+}
+
+func (s *Schema) ContentMediaType() string {
+	return s.ContentMediaTypeField
+}
+
+func (s *Schema) Default() interface{} {
+	return s.DefaultField
+}
+
+func (s *Schema) Definitions() map[string]asyncapi.Schema {
+	s.definitionsFieldMap = s.DefinitionsField.ToInterface(s.definitionsFieldMap)
+	return s.definitionsFieldMap
+}
+
+func (s *Schema) Dependencies() map[string]asyncapi.Schema {
+	s.dependenciesFieldMap = s.DependenciesField.ToInterface(s.dependenciesFieldMap)
+	return s.dependenciesFieldMap
+}
+
+func (s *Schema) Deprecated() bool {
+	return s.DeprecatedField
+}
+
+func (s *Schema) Description() string {
+	return s.DescriptionField
+}
+
+func (s *Schema) Discriminator() string {
+	return s.DiscriminatorField
+}
+
+func (s *Schema) Else() asyncapi.Schema {
+	return s.ElseField
+}
+
+func (s *Schema) Enum() []interface{} {
+	return s.EnumField
+}
+
+func (s *Schema) Examples() []interface{} {
+	return s.ExamplesField
+}
+
+func (s *Schema) ExclusiveMaximum() *float64 {
+	return s.ExclusiveMaximumField
+}
+
+func (s *Schema) ExclusiveMinimum() *float64 {
+	return s.ExclusiveMinimumField
+}
+
+func (s *Schema) Format() string {
+	return s.FormatField
+}
+
+func (s *Schema) HasCircularProps() bool {
+	return len(s.CircularProps()) > 0
+}
+
+func (s *Schema) ID() string {
+	return s.IDField
+}
+
+func (s *Schema) If() asyncapi.Schema {
+	return s.IfField
+}
+
+func (s *Schema) IsCircular() bool {
+	if isCircular, ok := s.Extension("x-parser-circular").(bool); ok {
+		return isCircular
+	}
+
+	return false
+}
+
+func (s *Schema) Items() []asyncapi.Schema {
+	return s.ItemsField
+}
+
+func (s *Schema) Maximum() *float64 {
+	return s.MaximumField
+}
+
+func (s *Schema) MaxItems() *float64 {
+	return s.MaxItemsField
+}
+
+func (s *Schema) MaxLength() *float64 {
+	return s.MaxLengthField
+}
+
+func (s *Schema) MaxProperties() *float64 {
+	return s.MaxPropertiesField
+}
+
+func (s *Schema) Minimum() *float64 {
+	return s.MinimumField
+}
+
+func (s *Schema) MinItems() *float64 {
+	return s.MinItemsField
+}
+
+func (s *Schema) MinLength() *float64 {
+	return s.MinLengthField
+}
+
+func (s *Schema) MinProperties() *float64 {
+	return s.MinPropertiesField
+}
+
+func (s *Schema) MultipleOf() *float64 {
+	return s.MultipleOfField
+}
+
+func (s *Schema) Not() asyncapi.Schema {
+	return s.NotField
+}
+
+func (s *Schema) OneOf() []asyncapi.Schema {
+	return s.OneOfField
+}
+
+func (s *Schema) Pattern() string {
+	return s.PatternField
+}
+
+func (s *Schema) PatternProperties() map[string]asyncapi.Schema {
+	s.patternPropertiesFieldMap = s.PatternPropertiesField.ToInterface(s.patternPropertiesFieldMap)
+	return s.patternPropertiesFieldMap
+}
+
+func (s *Schema) Properties() map[string]asyncapi.Schema {
+	s.propertiesFieldMap = s.PropertiesField.ToInterface(s.propertiesFieldMap)
+	return s.propertiesFieldMap
+}
+
+func (s *Schema) Property(name string) asyncapi.Schema {
+	return s.PropertiesField[name]
+}
+
+func (s *Schema) PropertyNames() asyncapi.Schema {
+	return s.PropertyNamesField
+}
+
+func (s *Schema) ReadOnly() bool {
+	return s.ReadOnlyField
+}
+
+func (s *Schema) Required() []string {
+	return s.RequiredField
+}
+
+func (s *Schema) Then() asyncapi.Schema {
+	return s.ThenField
+}
+
+func (s *Schema) Title() string {
+	return s.TitleField
+}
+
+func (s *Schema) Type() []string {
+	if stringVal, isString := s.TypeField.(string); isString {
+		return []string{stringVal}
+	}
+
+	if sliceVal, isSlice := s.TypeField.([]string); isSlice {
+		return sliceVal
+	}
+
+	return nil
+}
+
+func (s *Schema) UID() string {
+	if id := s.ID(); id != "" {
+		return id
+	}
+
+	// This is not yet supported by parser-go
+	parserGeneratedID, ok := s.Extension("x-parser-id").(string)
+	if ok {
+		return parserGeneratedID
+	}
+
+	return ""
+}
+
+func (s *Schema) UniqueItems() bool {
+	return s.UniqueItemsField
+}
+
+func (s *Schema) WriteOnly() bool {
+	return s.WriteOnlyField
+}
+
+type Server struct {
+	Extendable
+	Describable    `mapstructure:",squash"`
+	NameField      string                    `mapstructure:"name" json:"name"`
+	ProtocolField  string                    `mapstructure:"protocol" json:"protocol"`
+	URLField       string                    `mapstructure:"url" json:"url"`
+	VariablesField map[string]ServerVariable `mapstructure:"variables" json:"variables"`
+}
+
+func (s Server) Variables() []asyncapi.ServerVariable {
+	var vars []asyncapi.ServerVariable
+	for _, v := range s.VariablesField {
+		vars = append(vars, v)
+	}
+
+	return vars
+}
+
+func (s Server) IDField() string {
+	return "name"
+}
+
+func (s Server) ID() string {
+	return s.NameField
+}
+
+func (s Server) Name() string {
+	return s.NameField
+}
+
+func (s Server) HasName() bool {
+	return s.NameField != ""
+}
+
+func (s Server) URL() string {
+	return s.URLField
+}
+
+func (s Server) HasURL() bool {
+	return s.URLField != ""
+}
+
+func (s Server) Protocol() string {
+	return s.ProtocolField
+}
+
+func (s Server) HasProtocol() bool {
+	return s.ProtocolField != ""
+}
+
+type ServerVariable struct {
+	Extendable
+	NameField string   `mapstructure:"name" json:"name"`
+	Default   string   `mapstructure:"default" json:"default"`
+	Enum      []string `mapstructure:"enum" json:"enum"`
+}
+
+func (s ServerVariable) IDField() string {
+	return "name"
+}
+
+func (s ServerVariable) ID() string {
+	return s.NameField
+}
+
+func (s ServerVariable) Name() string {
+	return s.NameField
+}
+
+func (s ServerVariable) HasName() bool {
+	return s.NameField != ""
+}
+
+func (s ServerVariable) DefaultValue() string {
+	return s.Default
+}
+
+func (s ServerVariable) AllowedValues() []string {
+	return s.Enum
+}
+
+type Describable struct {
+	DescriptionField string `mapstructure:"description" json:"description"`
+}
+
+func (d Describable) Description() string {
+	return d.DescriptionField
+}
+
+func (d Describable) HasDescription() bool {
+	return d.DescriptionField != ""
+}
+
+type Extendable struct {
+	Raw map[string]interface{} `mapstructure:",remain" json:"-"`
+}
+
+func (e Extendable) HasExtension(name string) bool {
+	_, ok := e.Raw[name]
+	return ok
+}
+
+func (e Extendable) Extension(name string) interface{} {
+	return e.Raw[name]
+}
diff --git a/server.go b/server.go
new file mode 100644
index 0000000..d1ca75e
--- /dev/null
+++ b/server.go
@@ -0,0 +1,84 @@
+// Licensed to the Apache Software Foundation (ASF) under one or more
+// contributor license agreements.  See the NOTICE file distributed with
+// this work for additional information regarding copyright ownership.
+// The ASF licenses this file to You under the Apache License, Version 2.0
+// (the "License"); you may not use this file except in compliance with
+// the License.  You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"errors"
+	"fmt"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/dal"
+	"github.com/apache/incubator-eventmesh/eventmesh-catalog-go/internal/util"
+	"github.com/apache/incubator-eventmesh/eventmesh-server-go/config"
+	"github.com/apache/incubator-eventmesh/eventmesh-server-go/pkg/naming/registry"
+	"google.golang.org/grpc"
+	"net"
+)
+
+type Server struct {
+	Server *grpc.Server
+}
+
+func NewServer() (*Server, error) {
+	var s Server
+	if err := s.SetupConfig(); err != nil {
+		return nil, err
+	}
+	if err := dal.Open(); err != nil {
+		return nil, err
+	}
+
+	s.Server = grpc.NewServer()
+	return &s, nil
+}
+
+func (s *Server) Run() error {
+	l, err := s.listen()
+	if err != nil {
+		return err
+	}
+	reg := registry.Get(config.GlobalConfig().Server.Name)
+	if reg == nil {
+		return errors.New("service name=" + config.GlobalConfig().Server.Name + " not find registry")
+	}
+	if err = reg.Register(config.GlobalConfig().Server.Name); err != nil {
+		return err
+	}
+	return s.Server.Serve(l)
+}
+
+func (s *Server) SetupConfig() error {
+	config.ServerConfigPath = "./configs/catalog.yaml"
+	if !util.Exists(config.ServerConfigPath) {
+		config.ServerConfigPath = "../configs/catalog.yaml"
+	}
+	if !util.Exists(config.ServerConfigPath) {
+		config.ServerConfigPath = "../conf/catalog.yaml"
+	}
+	cfg, err := config.LoadConfig(config.ServerConfigPath)
+	if err != nil {
+		return err
+	}
+	config.SetGlobalConfig(cfg)
+
+	return config.Setup(cfg)
+}
+
+func (s *Server) listen() (net.Listener, error) {
+	listener, err := net.Listen("tcp", fmt.Sprintf(":%d", config.GlobalConfig().Server.Port))
+	if err != nil {
+		return nil, err
+	}
+	return listener, nil
+}