MailTester Ninja for Cursor

ninja.mailtester/email-verification

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

client:Cursor transport:streamable-http tools:2

Install MailTester Ninja in Cursor

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

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

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