fastapi_mcp_server_quickstart_with_tool_endpoint.py

1from fastapi import FastAPI
2from fastapi_mcp import FastMCP
3
4# Create a FastAPI app
5app = FastAPI()
6
7# Create an MCP instance
8mcp = FastMCP("My MCP Server")
9
10# Define a tool
11@mcp.tool()
12def add(a: int, b: int) -> int:
13    """Adds two numbers"""
14    return a + b
15
16# Mount the MCP server to the FastAPI app
17mcp.mount(app)
18
19if __name__ == "__main__":
20    import uvicorn
21    uvicorn.run(app, host="0.0.0.0", port=8000)