AI Agent Skills

Primer is GitHub's design system. This is the CSS implementation

The standard CSS implementation of the Spectrum design language.

A design system for building faithful recreations of old UIs

A design system for building retro Apple interfaces

Anti-AI-slop design skill for Claude Code, Cursor, and Codex.

Preline UI is an open-source set of prebuilt UI components based on the utility-first Tailwind CSS framework.

Juice inlines CSS stylesheets into your HTML source.

Use Tailwind CSS to design HTML emails.

Native CSS search engine

Converts CSS styles into inline style attributes in your HTML code.

Android Week View is an android library to display calendars (week view or day view) within the app. It supports custom styling.

Create secure and private web apps using only static JavaScript, HTML, and CSS.

Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions. The PDF stream is fed into the sandboxed WebView without giving…

A styling system for Flutter