app.py

from mcp.server.fastmcp import FastMCP


# Stateful server (maintains session state)
mcp = FastMCP("StatefulServer")


@mcp.tool()
def greet(name: str = "World") -> str:
    """Greet someone by name."""
    return f"Hello, {name}!"


# Return an instance of the StreamableHTTP server app
app = mcp.streamable_http_app()


# Run server with streamable_http transport
if __name__ == "__main__":
    mcp.run(transport="streamable-http")