animation-system SKILL.md skillA
animation-system from lukaskellerstein/claude-my-marketplace is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add lukaskellerstein/claude-my-marketplace/animation-system@git:20260329.dc4a0efPins git:20260329.dc4a0ef in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- lukaskellerstein/claude-my-marketplace
- Path
plugins/web-design-plugin/skills/animation-system/SKILL.md- Versions recorded
- 3
- Latest version
- git:20260329.dc4a0ef, committed Mar 29, 2026
- First version recorded
- Mar 29, 2026
- Size
- 9,947 bytes
- Repository stars
- 3
- License
- none declared
CSS and GSAP animation patterns for websites — ScrollTrigger, timelines, stagger effects, page transitions, micro-interactions, and performance optimization. Use when implementing animations for web design projects, when the user wants scroll-triggered animations, page load reveals, GSAP integration with React/Vite, animation planning, performance best practices, or when a design document specifies animations for sections.
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
# Animation System Implementation-focused animation patterns for websites using CSS animations and GSAP (GreenSock Animation Platform). This skill bridges the gap between design intent and animation implementation. --- ## 1. Animation Philosophy **Purposeful motion, not decorative noise.** Every animation must serve one of these roles: - **Guide attention** — draw the eye to what matters (CTA, key content) - **Communicate state** — show that something changed (loading, success, error) - **Create spatial context** — reveal where content lives (scroll reveals, page transitions) - **Provide feedback** — confirm user interaction (hover, click, drag) If an animation doesn't serve one of these, remove it. ### Timing Principles | Category | Duration | Use For | |----------|----------|---------| | **Micro** | 150–300ms | Hover states, button feedback, toggles, tooltips | | **Standard** | 300–500ms | Menu open/close, accordion, tab switch, card reveals | | **Complex** | 500–800ms | Modal transitions, stagger sequences, section reveals | | **Page** | 800–1200ms | Page transitions, hero load sequences, full-screen overlays | ### Easing Guidelines | Ease | GSAP | CSS | When | …
Read the whole file at its exact version.
How to install
mdr add lukaskellerstein/claude-my-marketplace/animation-system@sha256:c36a515aeeeaa560The line at the top of this page pins the label git:20260329.dc4a0ef, 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.
[](https://markdownregistry.com/a/art_klrpgazxrqye3ren)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, all committed on Mar 29, 2026.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260329.dc4a0ef latest | 2026-03-29 | dc4a0ef | 9,947 B | A | view · diff |
| git:20260329.7d1210e | 2026-03-29 | 7d1210e | 9,441 B | A | view · diff |
| git:20260329.57c628c | 2026-03-29 | 57c628c | 9,558 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (9947 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
lukaskellerstein/claude-my-marketplace · 3 stars · license none declared · pushed 2026-11-07 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_klrpgazxrqye3ren GET https://markdownregistry.com/api/v1/resolve?ref=lukaskellerstein/claude-my-marketplace/animation-system GET https://markdownregistry.com/api/v1/blob/c36a515aeeeaa5602c99b7fc0a3f1f46536b26ec398adaea2cd7384cd58915a5
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