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The legacy hosted MCP server is being removed

Removal date: 07/20/2026 The hosted MCP server at retell.stlmcp.com will be shut down. Use the current Retell MCP server at mcp.retellai.com instead — see the Retell MCP server guide for setup.

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Migration

  • Change the MCP server URL from https://retell.stlmcp.com to https://mcp.retellai.com.
  • Auth is unchanged: send your Retell API key as a Bearer token.
  • LLM clients (Claude, Cursor, etc.): no code changes needed — they discover the available tools automatically.
  • The local npx @retell-ai/mcp-server package is not affected.