| One mailer per email | Hard to navigate | Group related emails | | Skipping .with() | Implicit dependencies | Use parameterized mailers | | delivernow | Blocks request | Use deliverlater | | Missing previews | Can't visually test | Create preview classes |
Use when creating or refactoring Action Mailer emails. Applies Rails 7.1+ conventions, parameterized mailers, preview workflows, background delivery, and email design best practices. Source: majesticlabs-dev/majestic-marketplace.
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/majesticlabs-dev/majestic-marketplace --skill action-mailer-coder Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw
Security certified for safe and reliable code One-click installation with simplified configuration Compatible with Claude Code, Cursor, OpenClaw, and more