server.py

from fastmcp import FastMCP
from fastmcp.server.auth.providers.auth0 import Auth0Provider
import os
from typing import Literal
from dotenv import load_dotenv
load_dotenv()

# --- Configuration ---
# You must change these to your actual values
AUTH0_CLIENT_ID = os.environ.get("AUTH0_CLIENT_ID", "")
AUTH0_CLIENT_SECRET = os.environ.get("AUTH0_CLIENT_SECRET", "")
AUTH0_DOMAIN = os.environ.get("AUTH0_DOMAIN", "")
SERVER_BASE_URL = os.environ.get("SERVER_BASE_URL", "")

# --- Authentication Setup ---
auth = Auth0Provider(
    config_url=f"https://{AUTH0_DOMAIN}/.well-known/openid-configuration",
    client_id=AUTH0_CLIENT_ID,
    client_secret=AUTH0_CLIENT_SECRET,
    audience=f"https://{AUTH0_DOMAIN}/api/v2/",
    base_url=SERVER_BASE_URL,
    required_scopes=["openid", "profile", "email"]
)

# --- MCP Server Definition ---
mcp = FastMCP(name="Auth0 FastMCP Server", auth=auth)

@mcp.tool
def get_user_status(level: Literal["basic", "full"]) -> str:
    """Gets the status of the authenticated user based on the requested access level."""
    # In a real app, you would inspect the token/context here to get user info.
    return f"Status requested at {level} level. Connection successful and authenticated."

if __name__ == "__main__":
    mcp.run(transport="http", host="127.0.0.1", port=8000)