Guidance for distinctive, intentional UI design, typography, visual direction, and non-template-like product interfaces.

Use Playwright to interact with and test local web applications, capture screenshots, debug UI behavior, and inspect browser logs.

🪨 why use many token when few token do trick — Claude Code skill that cuts 65% of tokens by talking like caveman

React and Next.js performance guidance for writing, reviewing, and refactoring production UI code.

Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine.

AI-agent Skill for generating polished HTML slide decks: editorial magazine and Swiss layouts, image prompts, social covers, and a WebGL/low-power presentation runtime.

CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies

Self-evolving agent: grows skill tree from 3.3K-line seed, achieving full system control with 6x less token consumption

Multilingual speech understanding: ASR + emotion recognition + audio event detection. 50+ languages, 15x faster than Whisper, non-autoregressive.

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.

Reviews animation and motion code against a high craft bar derived from Emil Kowalski's design engineering philosophy. Default to flagging; approval is earned.

Deploy headless browsers in Docker. Run on our cloud or bring your own. Free for non-commercial uses.