Letter AI for Gemini CLI

io.github.tractatus-ai/letter

Search and act on Letter AI sales enablement content, deals, and call recordings.

client:Gemini CLI transport:streamable-http

Install Letter AI in Gemini CLI

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

{
  "mcpServers": {
    "letter": {
      "httpUrl": "https://api.letter.ai/v1/mcp"
    }
  }
}

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