{"status":"ok","message":"Dark Matter MCP Server (HTTP transport)","endpoints":{"health":"GET /health","metrics":"GET /metrics","mcp":"GET/POST/DELETE /mcp"},"mcpUsage":{"initialize":"POST /mcp with initialize request (returns session ID)","toolCalls":"POST /mcp with mcp-session-id header","sseStream":"GET /mcp with mcp-session-id header (for SSE streaming)","cleanup":"DELETE /mcp with mcp-session-id header"}}