SendLetter for Gemini CLI

eu.sendletter/sendletter

Send real, printed letters by post across Europe. Requires a free account; quote before sending.

client:Gemini CLI transport:streamable-http

Install SendLetter in Gemini CLI

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

{
  "mcpServers": {
    "sendletter": {
      "httpUrl": "https://sendletter.eu/api/mcp"
    }
  }
}

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