OpenRouter Agents MCP Server

flowchart LR U["User/Client (Cursor MCP/stdio or HTTP/SSE)"] U -->|query| P[Planning Agent] subgraph Fan_out P -->|XML agent_n| R1[Research Agent 1] P --> R2[Research Agent 2] P --> Rk[Research Agent k] end R1 --> S[Synthesis] R2 --> S Rk --> S S -->|final report + citations| U R1 --> IDX[("Hybrid Index: BM25 + vector")] R2 --> IDX Rk --> IDX F[search_web / fetch_url] --> R1 F --> R2 F --> Rk