This AI-powered skill facilitates the generation of responsive HTML email templates using the MJML 5.x framework. It is designed to assist developers and teams in creating, editing, and troubleshooting email templates, ensuring compatibility across various email clients.
What this skill does
Generates valid, cross-client compatible MJML 5.x templates and compiles them into production-ready HTML.
Uses the `--config.validationLevel=strict` option to ensure output meets strict validation standards and works within Gmail's 102KB clip limit.
Supports various email types including welcome emails, promotional blasts, transactional templates, and newsletters.
Compiles MJML templates to HTML using `npx mjml` with `--config.minify=true` to ensure efficient output.
Troubleshoots email rendering issues across major clients such as Outlook, Gmail, and Apple Mail.
Who it is for
Developers leveraging AI coding agents such as Claude Code, Cursor, and Codex.
Teams focused on ensuring cross-client email compatibility.
Technical professionals tasked with designing responsive email layouts.
Use cases
Creating and compiling templates for promotional email campaigns that maintain branding and responsiveness.
Editing existing `.mjml` files to adapt templates for new marketing initiatives.
Troubleshooting emails that do not render correctly in specific clients ensuring adherence to HTML email standards.
Technical details
Works within the MJML 5.x framework, emphasizing validation and HTML compilation.
Employs a structured workflow to gather user requirements, plan layouts, and execute generation and compilation steps.
Designed to seamlessly integrate with AI agent capabilities, enhancing functionality for coding-related tasks.
Source & Licence
This package is built on open-source work published by framix-team (framix-team/skill-email-html-mjml) and distributed under MIT. The original licence text and copyright notice are included in your download.
Personal and commercial use, modification and redistribution are permitted, provided the original copyright and licence notice are retained.
Your purchase covers curation, licence verification, packaging, documentation and instant delivery. It does not grant exclusive rights to the underlying open-source code, which remains available under its original licence.
Delivery & Support
Delivery: instant — a secure download link is emailed to you as soon as payment is confirmed.
Format: ZIP archive containing the skill files, documentation and the original licence.
Updates: updates are included only where stated on this page.
Refunds
This is a digital product delivered immediately after purchase. By completing your order you request immediate delivery and acknowledge that, once the download has been accessed, the statutory right to cancel no longer applies to the extent permitted by law. Refund requests are handled in accordance with our published Refund Policy.
Claude, Codex, Gemini and Cursor are trademarks of their respective owners. MCP Cart is an independent marketplace and is not affiliated with, endorsed by, or sponsored by any of them. Compatibility references describe interoperability only.