MailTester Ninja for Claude Code

ninja.mailtester/email-verification

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

client:Claude Code transport:streamable-http tools:2

Install MailTester Ninja in Claude Code

run in your project directory

claude mcp add --transport http email-verification https://mcp.mailtester.ninja/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs