Streamable HTTP Python MCP Server Template

import os from mcp.server.fastmcp import FastMCP PORT = os.getenv("PORT", "3000") HOST = os.getenv("HOST") kwargs = {} if HOST is not None: kwargs['host'] = HOST # Create an MCP server mcp = FastMCP("Demo", port=PORT, debug=True, log_level="DEBUG", **kwargs) # Add an addition tool @mcp.tool() def add(a: int, b: int) -> int: """Add two numbers""" return a + b # Add a dynamic greeting resource @mcp.resource("greeting://{name}") def get_greeting(name: str) -> str: """Get a personalized greeting""" return f"Hello, {name}!" if __name__ == "__main__": print(f"Running on port {PORT}") mcp.run(transport="streamable-http")