### Answer Yes, Retell AI supports MCP (Model Context Protocol) integration with Claude and other AI assistants [(1) ]() [(2) ]() . Retell offers an MCP server that allows you to build and manage voice agents directly from MCP-capable clients like Claude Desktop, Cursor, and Claude Code [(1) ]() . The MCP server gives your AI assistant native access to the Retell platform through a single integration . What the MCP server can do: - Create, update, publish, list, and fetch agent versions - Create phone/web calls, fetch call details, list calls, delete calls - Import, provision, list, and fetch phone numbers - Create knowledge bases and manage sources - List voices, clone voices, search community voices - Run testing and QA workflows Setup for Claude Desktop: [(2) ]() The MCP server URL is: ` [(1) ]() Authentication uses the header format:

Authorization: Bearer <RETELL_API_KEY>

You'll need to configure your Claude Desktop settings with the MCP server information and your Retell API key [(2) ]() . Additionally, there's an NPM package available at

@abhaybabbar/retellai-mcp-server

for setting up the connection . Some users have also reported success with an alternative package

@jesec/retellai-mcp-server

[(3) ]() .

​ To learn more, see the sources I considered: [[1] MCP Server](https://docs.retellai.com/get-started/mcp-server) [[2] How to Connect Retell AI MCP Server to Claude & More | Retell AI | Retell AI](https://www.retellai.com/blog/connect-retell-ai-mcp-server-to-ai-assistant) [[3] Discord message from @mroverworked on 2026-01-02](https://discord.com/channels/1186424376300679209/1186462578310910112/1456446543891795970) ​

Feel free to tag @AI Evy with additional questions. I also appreciate feedback, it helps me improve.