MailTester Email Verification for Cursor

com.mailtester/email-verification

Verify emails (valid/invalid/risky/unknown): MX, SMTP, catch-all, disposable. Free agent key.

client:Cursor transport:streamable-http tools:9

Install MailTester Email Verification in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "email-verification": {
      "url": "https://app.mailtester.com/mcp"
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs