Review Animations alternatives for AI agents.

Apple's approach to interface design and fluid, physical motion, translated for the web. Use when building or reviewing gesture-driven UI, spring animations, drag/swipe/sheet interactions, momentum and interruptible transitions, translucent materials and depth, typography (optical sizing, tracking, leading), reduced-motion, or the design foundations (feedback, spatial consistency, restraint) behind Apple-style interfaces.

This skill encodes Emil Kowalski's philosophy on UI polish, component design, animation decisions, and the invisible details that make software feel great.

Reverse-lookup glossary that turns a vague description of a web animation or motion effect into its exact term ("the bouncy thing when a popover opens" → Pop in; "the iOS rubber-band scroll" → Rubber-banding). Use when the user asks "what's it called when…", or describes a motion effect without knowing its name and wants the right word to prompt an AI or designer with. For naming an effect, not designing or building one.

The Cursor for Designers • An Open-Source AI-First Design tool • Visually build, style, and edit your React App with AI

Review a branch or diff against repository standards and the originating spec in two independent analysis passes.

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

🌼 🌼 🌼 🌼 🌼  The most popular, free and open-source Tailwind CSS component library

Chakra UI is a component system for building SaaS products with speed ⚡️

Community-built comprehensive 2D content creation appplication for graphic design, digital art, and interactive real-time motion graphics powered by a node-based procedural graphics engine

p5.js is a client-side JS platform that empowers artists, designers, students, and anyone to learn to code and express themselves creatively on the web. It is based on the core principles of Processing. Looking for p5.js 2.0? http://beta.p5js.org

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

Beautiful & consistent icon toolkit made by the community. Open-source project and a fork of Feather Icons.

Write components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more.

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

Material Design Web Components

Research the last 30 days across Reddit, X, YouTube, Hacker News, Polymarket, GitHub, and the web, then synthesize a grounded brief for an AI agent.