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mcp/harbor
Grok

Retell AI for Grok

io.github.mindstone/mcp-server-retell-ai

Retell AI MCP server: voice agent phone calls, agent management, LLMs, and voice discovery

client:Grok transport:stdio runtime:npm

Install Retell AI in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "mcp-server-retell-ai": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@mindstone/mcp-server-retell-ai"
      ],
      "env": {
        "RETELL_API_KEY": "<RETELL_API_KEY>",
        "MCP_WORKSPACE_PATH": "<MCP_WORKSPACE_PATH>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

Retell AI in other clients

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