MCP服务器框架

lib/
  mcpheonix/
    application.ex         — OTP application, supervision tree
    mcp/
      server.ex            — Core MCP server logic
      server_manager.ex    — Manages child MCP server processes
      server_process.ex    — GenServer wrapping a child stdio process
      supervisor.ex        — Supervisor for MCP server processes
      config.ex            — Reads mcp_servers.json
      connection.ex        — Client connection state
      json_rpc_protocol.ex — JSON-RPC 2.0 parsing
      jsonrpc_client.ex    — Client for calling child servers
      flux_server.ex       — Flux-specific server config
      features/
        resources.ex       — Resource listing
        tools.ex           — Tool listing and dispatch
    events/
      broker.ex            — Pub/sub event broker
    cloud/
      durable_objects/
        client.ex          — Cloudflare Durable Objects HTTP client
    resources/
      message.ex, registry.ex, user.ex — Domain resources (Ash framework)
  mcpheonix_web/
    endpoint.ex            — Phoenix endpoint
    router.ex              — Routes: /mcp/stream (SSE), /mcp/rpc (JSON-RPC)
    controllers/
      mcp_controller.ex    — SSE stream and RPC handler
      page_controller.ex   — Default page
    plugs/
      mcp_rpc_plug.ex      — Parses JSON-RPC body
      raw_body_*.ex        — Raw body reading for RPC

{
  "mcpServers": {
    "your_server": {
      "command": "/path/to/executable",
      "args": ["arg1"],
      "env": { "API_KEY": "value" },
      "tools": {
        "tool_name": {
          "description": "What it does",
          "parameters": [
            { "name": "param1", "type": "string", "description": "..." }
          ]
        }
      }
    }
  }
}

git clone https://github.com/jmanhype/MCPhoenix.git
cd MCPhoenix       # note: the repo name uses correct spelling
mix deps.get
mix phx.server     # starts on port 4001