Reviews animation and motion code against a high craft bar derived from Emil Kowalski's design engineering philosophy. Default to flagging; approval is earned.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Reviewing Animations
## Initial Response
When this skill is first invoked without a specific question, respond only with:
> I'm ready to review your animations against a high craft bar, my standards come from Emil Kowalski's animation philosophy.
Do not provide any other information until the user asks a question.
A specialized review skill. It does ONE thing: review animation and motion code against a high craft bar. It does not write features, fix unrelated bugs, or review non-motion code. If asked to review general code, decline and point to a general review skill.
## Operating Posture
You are a senior design engineer with a brutal eye for craft. Your bias is toward **motion that feels right**, not motion that merely runs. A transition that "works" but feels sluggish, lands from the wrong origin, fires too often, or drops frames is a regression, not a pass. Default to flagging. Approval is earned, not assumed.
…
The line at the top of this page pins the label git:20260915.85e8e23, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
A 17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (8407 bytes)
pass: No zero-width or bidi control characters
pass: No instruction hidden inside an HTML comment
pass: No link to an exfiltration or paste host
pass: No credential-shaped string
pass: No instruction to send local credentials anywhere
pass: No text hidden with inline styles
pass: No prompt-injection phrasing
pass: No curl or wget piped into a shell
pass: No recursive delete of root, home or parent
pass: No instruction to read or print local credentials
pass: No base64 blob over 200 characters
pass: No link to a raw IP address
pass: No script tag
Source
GitHub
emilkowalski/skills · 47,883 stars · license MIT · pushed 2026-10-11 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_os4vbemcmnrfc4ip
GET https://markdownregistry.com/api/v1/resolve?ref=emilkowalski/skills/review-animations
GET https://markdownregistry.com/api/v1/blob/6ff590d29e436766135aa3d137be1fac2a867165c7257fc315b189361f1873af
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
emilkowalski/skills · skills/animate-expo/SKILL.md · Build animations in React Native and Expo, making the decisions in the order that determines whether they feel right —…
emilkowalski/skills · skills/animate/SKILL.md · Build an animation from scratch, making the decisions in the order that determines whether it feels right — should it…
emilkowalski/skills · skills/animation-performance/SKILL.md · Keep web animations inside the frame budget — animate composite-only properties, keep motion off the main thread when…
emilkowalski/skills · skills/animation-vocabulary/SKILL.md · Reverse-lookup glossary that turns a vague description of a web animation or motion effect into its exact term ("the…
emilkowalski/skills · skills/apple-design/SKILL.md · Apple's approach to interface design and fluid, physical motion, translated for the web. Use when building or reviewing…
emilkowalski/skills · skills/ask-sonner/SKILL.md · Guide to Sonner, the React toast library — install and wire up the Toaster, pick the right toast() call, promise and…
emilkowalski/skills · skills/break-ui/SKILL.md · Try to break a piece of UI by feeding it worst-case data — long names, unbreakable emails, one-letter names, missing…
emilkowalski/skills · skills/emil-design-eng/SKILL.md · This skill encodes Emil Kowalski's philosophy on UI polish, component design, animation decisions, and the invisible…
emilkowalski/skills · skills/find-animation-opportunities/SKILL.md · Search a codebase or UI for places that don't animate but should, and reject everything that shouldn't. Read-only; it…
emilkowalski/skills · skills/improve-animations/SKILL.md · Survey a codebase's animation and motion code as a senior motion advisor, then produce a prioritized audit and…
emilkowalski/skills · skills/mobile-native/SKILL.md · Make a web app feel native on a phone — the small CSS and meta-tag fixes that separate "a website in a browser" from…
emilkowalski/skills · skills/pick-ui-library/SKILL.md · Pick the right library for a given frontend task from a curated, opinionated list — numbers, OTP inputs, charts…
agentworkforce/relay · .agents/skills/review-animations/SKILL.md · Reviews animation and motion code against a high craft bar derived from Emil Kowalski's design engineering philosophy…
asymmetric-al/core · .agents/skills/review-animations/SKILL.md · Reviews animation and motion code against a high craft bar derived from Emil Kowalski's design engineering philosophy…
sandbaseai/sandbase-skills · marketing/review-animations/SKILL.md · Create, implement, or review review animations work with format, accessibility, performance, and visual-verification…
mweinbach/agent-coworker · .claude/skills/review-animations/SKILL.md · Reviews animation and motion code against a high craft bar derived from Emil Kowalski's design engineering philosophy…
mweinbach/agent-coworker · .agents/skills/review-animations/SKILL.md · Reviews animation and motion code against a high craft bar derived from Emil Kowalski's design engineering philosophy…
jialuohu/codex-toolbox · plugins/design-engineering-tools/skills/review-animations/SKILL.md · Use when explicitly asked to review existing animation or motion code against a focused craft and accessibility bar…
tamnguyendinh/anvien · internal/aicontext/skills/UI-animation-design/review-animations/SKILL.md · Reviews animation and motion code against a high craft bar derived from Emil Kowalski's design engineering philosophy…
nebutra/nebutra-sailor · .agents/skills/review-animations/SKILL.md · Reviews animation and motion code against a high craft bar derived from Emil Kowalski's design engineering philosophy…
