diff --git a/build/scripts/validate-extension-metadata.groovy b/build/scripts/validate-extension-metadata.groovy
new file mode 100644
index 0000000..89db0ee
--- /dev/null
+++ b/build/scripts/validate-extension-metadata.groovy
@@ -0,0 +1,51 @@
+/*
+ * 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.
+ */
+
+import groovy.io.FileType
+import groovy.json.JsonSlurper
+
+final String quarkusExtensionJsonRelPath = 'runtime/src/main/resources/META-INF/quarkus-extension.json'
+final List<String> messages = []
+project.basedir.eachFile FileType.DIRECTORIES, { extensionParentDir ->
+    if (new File(extensionParentDir, 'runtime/pom.xml').exists()) {
+        final File extensionJsonFile = new File(extensionParentDir, quarkusExtensionJsonRelPath)
+        final String shortName = extensionParentDir.getName()
+        final String shortPath = shortName + '/' + quarkusExtensionJsonRelPath
+        final boolean internal = (shortName.startsWith('core') || shortName.endsWith('-common'))
+        if (!extensionJsonFile.exists()) {
+            messages.add(shortPath + ' is missing')
+        } else {
+            final Map extensionJson = new JsonSlurper().parseText(extensionJsonFile.getText("UTF-8"))
+            if (extensionJson['name'] == null) {
+                messages.add(shortPath + ' must contain name')
+            }
+            if (!(extensionJson['labels'] instanceof List)
+                    || !extensionJson['labels'].contains("camel")
+                    || !extensionJson['labels'].contains("integration")) {
+                messages.add(shortPath + ' must contain a list of labels with at least "integration" and "camel" labels present')
+            }
+            if (extensionJson['guide'] == null || !"https://quarkus.io/guides/camel".equals(extensionJson['guide'])) {
+                messages.add(shortPath + ' must contain a link to the guide https://quarkus.io/guides/camel')
+            }
+        }
+    }
+}
+
+if (!messages.isEmpty()) {
+    throw new RuntimeException("\nQuarkus extension metadata validation failures:\n\n    "
+            + messages.join("\n    "))
+}
\ No newline at end of file
diff --git a/extensions/pom.xml b/extensions/pom.xml
index cd87a41..f2e2049 100644
--- a/extensions/pom.xml
+++ b/extensions/pom.xml
@@ -72,6 +72,23 @@
     <build>
         <plugins>
             <plugin>
+                <groupId>org.codehaus.gmaven</groupId>
+                <artifactId>groovy-maven-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>validate-extension-metadata</id>
+                        <inherited>false</inherited>
+                        <goals>
+                            <goal>execute</goal>
+                        </goals>
+                        <phase>verify</phase>
+                        <configuration>
+                            <source>file:///${project.basedir}/../build/scripts/validate-extension-metadata.groovy</source>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
                 <groupId>io.quarkus</groupId>
                 <artifactId>quarkus-maven-plugin</artifactId>
                 <inherited>false</inherited>