AI卓越架构开源之Hello MCP，极简的MCP Server构建方式，将Flask API重构为MCP

{
    "北京": {"temperature": "22°C", "condition": "晴天"},
    "上海": {"temperature": "25°C", "condition": "多云"},
    "深圳": {"temperature": "28°C", "condition": "小雨"},
    "广州": {"temperature": "27°C", "condition": "阴天"}
}

hello-mcp/
├── mcp-version/          # MCP 协议版本
│   ├── weather_server.py # MCP 服务器实现
│   ├── mcp.json         # MCP 配置文件
│   └── requirements.txt # 依赖文件
└── flask-api-version/   # Flask API 版本
    ├── weather_api.py   # Flask API 实现
    └── requirements.txt # 依赖文件

if method == "initialize":
	return {
		"jsonrpc": "2.0",
		"id": request.get("id"),
		"result": {
			"protocolVersion": "2024-11-05",
			"capabilities": {
				"tools": {}
			},
			"serverInfo": {
				"name": "weather-server",
				"version": "1.0.0"
			}
		}
	}

elif method == "tools/list":
	return {
		"jsonrpc": "2.0",
		"id": request.get("id"),
		"result": {
			"tools": [{
				"name": "get_weather",
				"description": "获取指定城市的天气信息",
				"inputSchema": {
					"type": "object",
					"properties": {
						"city": {
							"type": "string",
							"description": "城市名称"
						}
					},
					"required": ["city"]
				}
			}]
		}
	}

elif method == "tools/call":
	tool_name = request["params"]["name"]
	if tool_name == "get_weather":
		city = request["params"]["arguments"]["city"]
		weather = self.weather_data.get(city, {"temperature": "未知", "condition": "数据不可用"})
		return {
			"jsonrpc": "2.0",
			"id": request.get("id"),
			"result": {
				"content": [{
					"type": "text",
					"text": f"{city}的天气：温度 {weather['temperature']}，天气状况：{weather['condition']}"
				}]
			}
		}

{
  "mcpServers": {
    "weather": {
      "command": "python",
      "args": ["weather_server.py"],
      "env": {}
    }
  }
}