Connect my own MCP server

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Yes, you can add your own MCP (Model Context Protocol) server to use with Retell AI agents.(1)(2)(3)

To add your custom MCP server to Retell AI:(1)(3)

  1. Click on + Add MCP in your agent configuration(1)
  2. Enter your MCP server URL (the endpoint where your MCP server is hosted)(3)
  3. Optionally set custom request headers and query parameters(1)
  4. Select the MCP tool from the list of available tools(1)
  5. Optionally set response variables to extract values from the MCP tool response and save them as dynamic variables(1)
  6. Save the MCP Tool(1)
  7. Update your agent’s prompt to explicitly indicate when to invoke the MCP tool(1)

Your MCP server must expose the proper endpoints that Retell AI can call.(2)(3) The MCP server acts as a secure endpoint that mediates requests from your agent to your external tools.(2)

You can connect to any HTTP-based service like Zapier, custom APIs, AWS Lambda, or cloud functions.(2)(3)

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