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Animation engineer

Skill AtulPurohit/Antigravity-Awesome-Skills/skills/animation-engineer

Installable GitHub library of 300+ professional agentic skills for Claude Code, Antigravity IDE, Gemini CLI, Cursor, and Copilot. Features a custom NPX installer, 9 stack-specific bundles, validation schemas, security auditing, and an interactive catalog explorer app.

Install
npx -y skills add AtulPurohit/Antigravity-Awesome-Skills --skill animation-engineer

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

3 things to look at

  • 26 days oldThe repository was created 26 days ago. New is not bad, but a brand new repository carrying a familiar-sounding name is the shape a typosquat arrives in, and there has been no time for anyone else to find a problem with it.
  • no licenseNo license file was found in the repository. Code published without one is not open source by default, so using it at work is a question for whoever answers licensing questions where you are.
  • 2 stars2 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.

What its author says it does

Copied from the file, not written here

Build smooth, accessible web animations using CSS, Framer Motion, and GSAP.

SKILL.md

2.2 KB, as published. Nobody here has run it

Animation Engineer

Purpose

Create animations that enhance UX without sacrificing performance.

Performance Rules

  • Only animate transform and opacity (GPU composited)
  • Avoid width, height, top, left (triggers layout reflow)
  • Respect prefers-reduced-motion

CSS Animations

.card { transition: transform 200ms ease-out, box-shadow 200ms ease-out; }
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px hsl(0 0% 0% / 0.15); }

/* Skeleton loading */
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

Framer Motion (React)

import { motion, AnimatePresence } from 'framer-motion';

// Stagger children
const containerVariants = {
  hidden: {},
  visible: { transition: { staggerChildren: 0.08 } }
};
const itemVariants = {
  hidden: { opacity: 0, y: 20 },
  visible: { opacity: 1, y: 0, transition: { duration: 0.3 } }
};

<motion.ul variants={containerVariants} initial="hidden" animate="visible">
  {items.map(item => (
    <motion.li key={item.id} variants={itemVariants}>{item.name}</motion.li>
  ))}
</motion.ul>

// Shared layout animations
<AnimatePresence>
  {isOpen && (
    <motion.div layoutId="expandable-card"
      initial={{ opacity: 0 }} animate={{ opacity: 1 }} exit={{ opacity: 0 }}>
      {content}
    </motion.div>
  )}
</AnimatePresence>

Outputs

  1. Animation component library
  2. Page transition setup
  3. Micro-interaction patterns
  4. Scroll-triggered animations
  5. Performance audit of existing animations

Gives 1 of the 12 instructions most css styling skills give

Counted across 586 of the 596 authors here whose files we hold, read 2026-08-06

  • avoid excessive centered layoutsin 55 of 586, across 12 files
  • bundle code into single HTML filein 54 of 586, across 14 files
  • Respect prefers-reduced-motion user settingsin 52 of 586, across 35 files
  • avoid purple gradientsin 51 of 586, across 11 files
  • avoid uniform rounded cornersin 51 of 586, across 11 files
  • avoid Inter fontin 51 of 586, across 11 files
  • edit generated files to develop artifactin 50 of 586, across 10 files
  • animate only transform and opacity propertieshere, and in 43 of 586
  • Make touch targets at least 44x44 pixelsin 41 of 586, across 15 files
  • Ensure minimum color contrast of 4.5:1in 39 of 586, across 10 files
  • use tailwind cssin 39 of 586, across 24 files
  • Use SVG icons instead of emojisin 38 of 586, across 11 files

Said here and by no other author read

  • respect the prefers-reduced-motion media query
  • implement staggered children animations
  • implement shared layout animations
  • produce an animation component library
  • produce a page transition setup
  • produce micro-interaction patterns

Grouped from the skills themselves: near-identical wordings counted once, and counted by distinct author, so one author publishing three of these counts once.

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