TwilioManager MCP

import asyncio import os from mcp import ClientSession from mcp.client.stdio import StdioServerParameters, get_default_environment, stdio_client class MCPClient: def __init__(self, command: str, args: list[str], env: dict[str, str]): env = get_default_environment() | env self.server_params = StdioServerParameters( command=command, args=args, env=env, ) self.session = None self._streams_context = None self._session_context = None async def initialize(self): self._streams_context = stdio_client(self.server_params) streams = await self._streams_context.__aenter__() self._session_context = ClientSession(*streams) self.session = await self._session_context.__aenter__() await self.session.initialize() print("Session with mcp server initialized") async def __aenter__(self): await self.initialize() if self.session is None: raise ValueError("Session not initialized") return self.session async def __aexit__(self, exc_type, exc_val, exc_tb): if self.session: # Close contexts in reverse order if self._session_context: await self._session_context.__aexit__(exc_type, exc_val, exc_tb) if self._streams_context: await self._streams_context.__aexit__(exc_type, exc_val, exc_tb) self.session = None self._session_context = None self._streams_context = None async def main(): import argparse parser = argparse.ArgumentParser() parser.add_argument("--command", type=str, default="uvx") parser.add_argument("--args", type=str, default=["twilio-manager-mcp"]) args = parser.parse_args() env = { "TWILIO_ACCOUNT_SID": os.getenv("TWILIO_ACCOUNT_SID"), "TWILIO_AUTH_TOKEN": os.getenv("TWILIO_AUTH_TOKEN"), } if env["TWILIO_ACCOUNT_SID"] is None or env["TWILIO_AUTH_TOKEN"] is None: raise ValueError("TWILIO_ACCOUNT_SID and TWILIO_AUTH_TOKEN must be set") async with MCPClient(args.command, args.args, env=env) as session: # type: ignore print(await session.send_ping()) tools = (await session.list_tools()).tools print([tool.name for tool in tools]) if __name__ == "__main__": from dotenv import load_dotenv load_dotenv() asyncio.run(main())