Courio (sendcourio.com) for Gemini CLI

si.courio/courio

Courio (sendcourio.com): mail real paper letters (standard, registered) worldwide. No account.

client:Gemini CLI transport:streamable-http tools:5

Install Courio (sendcourio.com) in Gemini CLI

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

{
  "mcpServers": {
    "courio": {
      "httpUrl": "https://api.sendcourio.com/mcp"
    }
  }
}

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