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Email HTML MJML

Generate responsive HTML email templates using MJML 4.x with bulletproof rendering across Gmail, Outlook, and Apple Mail.

64/100 220 GitHub stars Updated Mar 1, 2026

#email#mjml#html#templates#responsive

What it does

Generate responsive HTML email templates using MJML 4.x with bulletproof rendering across Gmail, Outlook, and Apple Mail.

Same corner

Create, edit, and analyze Excel spreadsheets including formulas, charts, pivot tables, and data transformations programmatically.

Turn Markdown + a YAML manifest into a styled, printable PDF. Cover page, table of contents, page numbers, theming. The lead-magnet workhorse.

Creates documents, presentations, spreadsheets from prompts. PDF/PPTX/XLSX export native. The all-in-one office GPT.

Coming soon

The submission portal opens next sprint. For now, ship to GitHub and tag claude-skill.

Free PDF

The full Skills Bank, organized by category, with install commands and 1-line verdicts.