{"server":"mcp-ping","version":"2.0.1","transport":"sse","endpoints":{"sse":"GET /sse        (open the event stream)","messages":"POST /messages?sessionId=<id>  (send JSON-RPC 2.0)","health":"GET /health"},"tools":[{"name":"ping","description":"Returns 'pong'. Use this to verify the MCP client → transport → server pipeline is wired up end-to-end. Takes no arguments.","inputSchema":{"type":"object","properties":{}}}]}