This is a multi-provider email sending skill that abstracts away the complexity of switching between Resend, SendGrid, Mailgun, and SMTP2Go. You pick a provider based on your needs (JSX templates, enterprise scale, webhook events, or reliable relay) and the skill handles the rest. It's marked production ready and comes with a helpful comparison chart showing free tiers, which is genuinely useful when you're just trying to get emails working without overthinking it. The fact that it failed the Gen Agent Trust Hub audit but passed Socket and Snyk is worth noting if you're particular about security tooling. Good for teams that want flexibility without vendor lock-in or for solo developers who might switch providers as they scale.
npx skills add https://github.com/jezweb/claude-skills --skill email-gateway