Checkmails — Email Verification for Claude Code

eu.checkmails/checkmails

Verify email deliverability by SMTP. Catch-all/disposable/role detection. EU-hosted, GDPR-ready.

client:Claude Code transport:streamable-http

Install Checkmails — Email Verification in Claude Code

run in your project directory

claude mcp add --transport http checkmails https://checkmails.eu/api/mcp

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