Files
agent/examples/mcp_adapters/server/weather_server.py
2025-09-01 12:00:47 +08:00

35 lines
919 B
Python

from fastapi import FastAPI
from mcp.server.fastmcp import FastMCP
import asyncio
from contextlib import asynccontextmanager
# 创建 FastAPI 应用
app = FastAPI()
# 创建 FastMCP 服务器
mcp = FastMCP("Weather")
# 定义工具:获取天气
@mcp.tool()
async def get_weather(location: str) -> str:
"""返回指定位置的天气情况"""
return f"The weather in {location} is sunny!"
# 使用 FastAPI 的 lifespan 来启动 MCP 服务器
@asynccontextmanager
async def lifespan(app: FastAPI):
# 在应用启动时启动 MCP 服务
loop = asyncio.get_event_loop()
task = loop.create_task(mcp.run_streamable_http_async())
yield
# 在应用关闭时停止 MCP 服务
task.cancel()
# 将 lifespan 事件添加到 FastAPI 应用
app = FastAPI(lifespan=lifespan)
# 启动 FastAPI 应用
if __name__ == "__main__":
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=8000)