MCP Server For Local

Instructions

Implementation Reference

• src/mcp/proxy/proxy_server.py:131-154 (handler)

  The proxy_tool_call handler function that dynamically routes tool calls to appropriate backend servers based on tool_mapping.

  @mcp.tool(description="代理工具，根据工具名动态调用其他服务端的工具，输入格式为字典：{'tool': 'tool_name', 'args': {...}}")
  async def proxy_tool_call(params: Dict[str, Any]) -> str:
      """代理工具调用"""
      try:
          tool_name = params.get("tool")
          tool_args = params.get("args", {})
          
          if not tool_name:
              return "⚠️ 工具名称缺失"
              
          if tool_name not in tool_mapping:
              return f"⚠️ 未知工具: {tool_name}"
              
          server_name = tool_mapping[tool_name]
          if server_name not in sessions:
              return f"⚠️ 服务器 {server_name} 未连接"
              
          session = sessions[server_name]
          result = await session.call_tool(tool_name, tool_args)
          return result.content[0].text
          
      except Exception as e:
          logger.error(f"Tool call error: {str(e)}")
          return f"⚠️ 工具调用失败: {str(e)}"