[
  {
    "name": "rag_retrieve",
    "description": "Call RAG retrieval API to retrieve relevant documents based on query content. Returns markdown format results containing relevant content.",
    "inputSchema": {
      "type": "object",
      "properties": {
        "query": {
          "type": "string",
          "description": "Retrieval query content"
        },
        "top_k": {
          "type": "integer",
          "description": "Maximum number of results to return, default 50",
          "default": 50
        }
      },
      "required": ["query"]
    }
  }
]