animate — Build an animation from scratch, making the decisions in the order that determines whether it feels right — should it animate at all, what purpose, which tool.
animate-expo — Build animations in React Native and Expo, making the decisions in the order that determines whether they feel right — should it animate.
animation-vocabulary — 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.
apple-design — Apple's approach to interface design and fluid, physical motion, translated for the web.
ask-sonner — Guide to Sonner, the React toast library — install and wire up the Toaster, pick the right toast() call, promise and loading toasts, updating.
emil-design-eng — This skill encodes Emil Kowalski's philosophy on UI polish, component design, animation decisions, and the invisible details that make software feel great.
find-animation-opportunities — Search a codebase or UI for places that don't animate but should, and reject everything that shouldn't.
improve-animations — Survey a codebase's animation and motion code as a senior motion advisor.
mobile-native — Make a web app feel native on a phone — the small CSS and meta-tag fixes that separate "a website in a browser" from something that feels installed.
pick-ui-library — Pick the right library for a given frontend task from a curated, opinionated list — numbers, OTP inputs, charts, command menus, virtualization, drag and drop.
prototype — Build multiple genuinely different versions of a UI piece you describe.
review-animations — Reviews animation and motion code against a high craft bar derived from Emil Kowalski's design engineering philosophy. Default to flagging; approval is earned.
write-swift — How to write modern Swift well — modeling with value types, Swift 6 data-race safety and approachable concurrency (@concurrent, main-actor-by-default, actors.