MCP - Getting Started

1mkdir my-mcp-server
2cd my-mcp-server
3
4python -m venv venv
5source venv/bin/activate
6
7pip install fastmcp
8pip install pytz

 1from fastmcp import FastMCP
 2
 3mcp = FastMCP("我的第一个MCP服务器")
 4
 5@mcp.tool
 6def greet(name: str) -> str:
 7    return f"你好，{name}！欢迎使用MCP服务器。"
 8
 9@mcp.tool
10def add_numbers(a: int, b: int) -> int:
11    return a + b
12
13@mcp.tool
14def get_current_time(timezone: str = "Asia/Shanghai") -> str:
15    from datetime import datetime
16    import pytz
17    tz = pytz.timezone(timezone)
18    return datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
19
20if __name__ == "__main__":
21    mcp.run(transport="stdio")

 1# test_client.py
 2import asyncio
 3from fastmcp import Client
 4
 5async def main():
 6    async with Client("server.py") as client:
 7        tools = await client.list_tools()
 8        print("可用工具：", [t.name for t in tools])
 9
10        result = await client.call_tool("greet", {"name": "小明"})
11        print(result.content[0].text)
12
13asyncio.run(main())

1...
2if __name__ == "__main__":
3    mcp.run(
4        transport="streamable-http",
5        host="127.0.0.1",
6        port=8000,
7        path="/my_test_mcp",
8    )

1...
2async with Client("http://127.0.0.1:8000/my_test_mcp") as client:
3...

1npx -y @modelcontextprotocol/inspector

1      "mcpServers": {
2        "mymcphttpserver": {
3          "type": "http",
4          "url": "http://127.0.0.1:8000/my_test_mcp"
5        }
6      },