GhosterMail for Gemini CLI

com.ghostermail/ghostermail

Create private and temporary mailboxes, send e-mails and read incoming messages and codes.

client:Gemini CLI transport:streamable-http

Install GhosterMail in Gemini CLI

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

{
  "mcpServers": {
    "ghostermail": {
      "httpUrl": "https://api.ghostermail.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