feat: add Atlan MCP Server to mcp-registry (#52)

Author: Hk669

servers/atlan-mcp-server/server.yaml

@@ -0,0 +1,54 @@
+name: atlan-mcp-server
+image: mcp/atlan-mcp-server
+type: server
+meta:
+  category: database
+  tags:
+    - atlan
+    - metadata
+about:
+  title: Atlan MCP Server
+  description: MCP server for interacting with Atlan services including asset search, updates, and lineage traversal for comprehensive data governance and discovery.
+  icon: https://avatars.githubusercontent.com/u/51372284?s=200&v=4
+source:
+  project: https://github.com/atlanhq/agent-toolkit
+  branch: main
+  directory: modelcontextprotocol
+config:
+  description: Configure the connection to Atlan
+  secrets:
+    - name: atlan-mcp-server.atlan_api_key
+      env: ATLAN_API_KEY
+      example: <YOUR_ATLAN_API_KEY>
+    - name: atlan-mcp-server.atlan_base_url
+      env: ATLAN_BASE_URL
+      example: https://your-instance.atlan.com
+  env:
+    - name: ATLAN_AGENT_ID
+      example: your-agent-id
+      value: '{{atlan-mcp-server.atlan_agent_id}}'
+    - name: MCP_HOST
+      example: 0.0.0.0
+      value: '{{atlan-mcp-server.mcp_host}}'
+    - name: MCP_PORT
+      example: "8000"
+      value: '{{atlan-mcp-server.mcp_port}}'
+    - name: MCP_TRANSPORT
+      example: stdio
+      value: '{{atlan-mcp-server.mcp_transport}}'
+  parameters:
+    type: object
+    properties:
+      atlan_agent_id:
+        type: string
+        description: Optional agent identifier for Atlan
+      mcp_host:
+        type: string
+        description: MCP server host
+      mcp_port:
+        type: string
+        description: MCP server port
+      mcp_transport:
+        type: string
+        description: MCP transport type (stdio/sse)
+    required: []