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Gemini CLI

server for Gemini CLI

ai.callmcp/server

One MCP tool contract for telephony — any call provider, hosted, local, or BYOK.

client:Gemini CLI transport:stdio runtime:npm

Install server 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": {
    "server": {
      "command": "npx",
      "args": [
        "-y",
        "@callmcp/server"
      ],
      "env": {
        "CALLMCP_CONFIG": "<CALLMCP_CONFIG>",
        "CALLMCP_DEFAULT_DRIVER": "<CALLMCP_DEFAULT_DRIVER>"
      }
    }
  }
}

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

server in other clients