Skip to content
mcp/harbor
Gemini CLI

Retell AI for Gemini CLI

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

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

client:Gemini CLI transport:stdio runtime:npm

Install Retell AI in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

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

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

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs

Retell AI in other clients

Retell AI MCP server