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# server.py
# A tiny mcp server example to show it working on a Huggingface Space
from fastmcp import FastMCP
from starlette.requests import Request
from starlette.responses import PlainTextResponse
import os
mcp = FastMCP("fastmcp-space")
@mcp.tool
def add(a: int, b: int) -> int:
"""Add two numbers"""
return a + b
# Basic dynamic resource returning a string
@mcp.resource("resource://greeting")
def get_greeting() -> str:
"""Provides a simple greeting message."""
return "Hello from fastmcp-space"
@mcp.custom_route("/health", methods=["GET"])
async def health_check(request: Request) -> PlainTextResponse:
return PlainTextResponse("OK")
@mcp.custom_route("/", methods=["GET"])
async def index(request: Request) -> PlainTextResponse:
return PlainTextResponse("MCP is on https://fancellu-fastmcp-space.hf.space/mcp")
# Export an ASGI app for uvicorn; choose a single path for Streamable HTTP (e.g. /mcp)
app = mcp.http_app(path="/mcp")
if __name__ == "__main__":
# No uvicorn, just internal FastMCP server
mcp.run(transport="http", host="0.0.0.0", port=int(os.getenv("PORT", 7860)), path="/mcp")
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