arcade-mcp-server

from typing import Annotated from arcade_mcp_server import MCPApp, Context import os app = MCPApp(name="my-tools", version="1.0.0", log_level="DEBUG") @app.tool def greet(name: Annotated[str, "The name of the person to greet"]) -> str: """Greet a person by name.""" return f"Hello, {name}!" # Example tool requiring a secret, typically set in .env or as an environment variable @app.tool(requires_secrets=["MY_SECRET_KEY"]) def whisper_secret(context: Context) -> Annotated[str, "The last 4 characters of the secret"]: """Reveal the last 4 characters of a secret""" secret_value = context.get_secret("MY_SECRET_KEY") if secret_value: return f"Your secret ends with: {secret_value[-4:]}" return "Secret not found or not configured." if __name__ == "__main__": # Ensure MY_SECRET_KEY is set in your environment for the whisper_secret tool to work # For local testing, you might use: export MY_SECRET_KEY="your_development_secret" # Or, for more robust handling, use a .env file and a library like python-dotenv # os.environ['MY_SECRET_KEY'] = os.environ.get('MY_SECRET_KEY', 'default_secret_for_dev') app.run()