MailTester Ninja for Zed

ninja.mailtester/email-verification

Verify email addresses live against their mail server and find work emails. Nothing stored.

client:Zed transport:streamable-http tools:2

Install MailTester Ninja in Zed

~/.config/zed/settings.json · windows: %APPDATA%\Zed\settings.json

{
  "context_servers": {
    "email-verification": {
      "url": "https://mcp.mailtester.ninja/mcp"
    }
  }
}

Merge this into your existing settings object — do not replace the file. Zed docs