MailFixture for Gemini CLI

com.mailfixture/mailfixture

Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links.

client:Gemini CLI transport:streamable-http

Install MailFixture in Gemini CLI

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

{
  "mcpServers": {
    "mailfixture": {
      "httpUrl": "https://mailfixture.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