Add standalone MCP server for Claude Desktop integration

- Create dedicated MCP server with Nomad job management tools
- Add Claude Desktop configuration for MCP server connection
- Update requirements with mcp dependency for standalone server

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

requirements.txt

@@ -7,4 +7,5 @@ httpx
 python-multipart
 pyyaml
 requests
-fastapi_mcp
+fastapi_mcp
+mcp