Add Couchbase MCP Server (github#10)

* Add Couchbase server.yaml

* Update server.yaml

* Add secrets and environment variable separation

* Update server.yaml

* Update server.yaml

Author: shivaylamba

servers/couchbase/server.yaml

@@ -0,0 +1,50 @@
+name: couchbase
+image: mcp/couchbase
+type: server
+meta:
+  category: database
+  tags:
+    - couchbase
+    - database
+  highlighted: true
+about:
+  title: Couchbase
+  description: Couchbase is a distributed document database with a powerful search engine and in-built operational and analytical capabilities.
+  icon: https://avatars.githubusercontent.com/u/605755?s=200&v=4
+source:
+  project: https://github.com/Couchbase-Ecosystem/mcp-server-couchbase
+config:
+  description: Configure the connection to Couchbase
+  secrets:
+    - name: couchbase.cb_password
+      env: CB_PASSWORD
+      example: <CB_PASSWORD>
+  env:
+    - name: CB_CONNECTION_STRING
+      example: couchbases://cb.example.com
+      value: '{{couchbase.cb_connection_string}}'
+    - name: CB_USERNAME
+      example: Administrator
+      value: '{{couchbase.cb_username}}'
+    - name: CB_BUCKET_NAME
+      example: my-bucket
+      value: '{{couchbase.cb_bucket_name}}'
+    - name: MCP_TRANSPORT
+      example: stdio
+      value: '{{couchbase.mcp_transport}}'
+    - name: READ_ONLY_QUERY_MODE
+      example: "true"
+      value: '{{couchbase.read_only_query_mode}}'
+  parameters:
+    type: object
+    properties:
+      cb_connection_string:
+        type: string
+      cb_username:
+        type: string
+      cb_bucket_name:
+        type: string
+      mcp_transport:
+        type: string
+      read_only_query_mode:
+        type: string