animation-creator

animation-creator is a skill for Claude Code, Codex from andronics/claude-plugin-css-pro. It costs 41 tokens per session (2,414 once invoked), scanned A, original, MIT.

A skill for creating CSS animations and transitions, which control how webpage elements move or change over time. It covers effects such as fades, slides, loading indicators, button feedback, and form messages.

In plain words
What is it for?
It helps define animation targets, effects, timing, triggers, repetition, and accessible CSS for page elements and micro-interactions.
Why use it?
It helps turn a desired interaction into CSS while considering smooth performance and reduced-motion preferences for people who need less movement.

Skill for Claude CodeCodex

Part of the css-pro plugin — 8 skills, 10 commands, 7 agents shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/andronics/claude-plugin-css-pro/animation-creator
Any agent
npx skills add andronics/claude-plugin-css-pro --skill animation-creator
Clone the repo
git clone --depth 1 https://github.com/andronics/claude-plugin-css-pro

Made for: Claude Code, Codex.

Or install css-pro, the plugin that ships this one along with the rest of its 8 skills, 10 commands, 7 agents.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for animation-creator

README.md
[![agentmods](https://agentmods.dev/badge/skills/andronics/claude-plugin-css-pro/animation-creator.svg)](https://agentmods.dev/skills/andronics/claude-plugin-css-pro/animation-creator)
Your own site
<a href="https://agentmods.dev/skills/andronics/claude-plugin-css-pro/animation-creator"><img src="https://agentmods.dev/badge/skills/andronics/claude-plugin-css-pro/animation-creator.svg" alt="Measured on agentmods" height="20"></a>
Per session 41 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,414 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00041 $0.02414
Opus 5 $0.00020 $0.01207
Sonnet 5 $0.00008 $0.00483
Haiku 4.5 $0.00004 $0.00241

Measured 3d ago against content hash 4f18e520307b, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

animation-creator scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/animation-creator/SKILL.md · 453 lines

How it starts

The opening of the file, as written. The whole thing — 453 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Animation Creator Skill

This skill helps you create performant, accessible CSS animations and transitions. I'll guide you through animation requirements and generate optimized code that respects user preferences and follows performance best practices.

What I Can Create

Transitions

  • Hover effects
  • Focus states
  • Button interactions
  • Modal/dropdown entrances
  • Page transitions
  • Property changes

Keyframe Animations

  • Loading spinners
  • Progress indicators
  • Entrance animations
  • Attention-seekers
  • Scroll animations
  • Complex sequences

Transform Animations

  • Slides
  • Fades
  • Scales
  • Rotations
  • 3D effects
  • Combined transforms

Micro-interactions

  • Button presses
  • Toggle switches
  • Checkboxes
  • Form validations
  • Toast notifications
  • Tooltips

How To Use This Skill

Tell me what you want to animate and I'll create the CSS. I'll ask:

  1. What element are you animating?
  2. What effect do you want? (fade, slide, bounce, etc.)
  3. How long should it take? (duration)
  4. When should it happen? (on hover, on load, on click?)
  5. Should it repeat? (once, infinite, number of times)

Performance Best Practices

I always follow these rules for smooth animations:

Use Compositor-Only Properties

/* ✓ GOOD - GPU accelerated */
.animated {
  transition: transform 0.3s, opacity 0.3s;
}

/* ❌ BAD - Triggers layout/paint */
.animated {
  transition: width 0.3s, height 0.3s, left 0.3s;
}

Optimize with will-change

.animating {
  will-change: transform, opacity;
}

.animating.complete {
  will-change: auto; /* Remove after animation */
}

Respect Reduced Motion

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

Common Animation Examples

Fade In

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

Read the full file on GitHub · 453 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 453 lines · 41 tokens per session scan A 4f18e520307b

Subscribe to this mod's changes

animation-creator is a skill published in the GitHub repository andronics/claude-plugin-css-pro (2 stars, last pushed 10mo ago), licensed MIT. It adds 41 tokens to every session and 2,414 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

Related

Other skills, from other repositories

chakra-ui-builder

Build responsive, accessible UI components and layouts using Chakra UI v3, install or configure Chakra UI in new and existing projects, and design scalable themes using tokens, semantic tokens, recipes, and slot recipes. Use this skill whenever a user asks to build, create, or generate any UI component, page, form…

chakra-ui/chakra-ui · 214 tokens

shadcn-svelte

Pre-built shadcn-svelte components for json-render Svelte apps. Use when working with @json-render/shadcn-svelte, adding standard UI components to a Svelte catalog, or building Svelte web UIs with shadcn-svelte + Tailwind CSS components.

vercel-labs/json-render · 63 tokens

material-ui-tailwind

Integrates Material UI with Tailwind CSS v4 using cascade layers (enableCssLayer, @layer order) and documents Tailwind v3 interoperability (preflight, important, injectFirst, portals). Use when combining MUI with Tailwind utilities, slotProps className, or theme token bridges.

mui/material-ui · 67 tokens

column-resizing

Wire columnResizingFeature, header.getResizeHandler, resize mode and direction, pointer or touch events, and performant CSS-variable updates. Load when resize state changes but widths do not, or large tables resize slowly.

TanStack/table · 47 tokens

better-colors

Helps you build a color system and answer anything about color in your project. You can generate palettes, use semantic tokens, convert between formats, check contrast and more.

jakubkrehel/skills · 38 tokens

markstream-svelte

Integrate the beta markstream-svelte package in Svelte 5 or SvelteKit apps. Use when Codex needs Svelte 5 runes, CSS and optional peers, smooth streaming, worker setup, renderer-local or scoped custom components, or SSR-safe boundaries. Svelte 4 is unsupported.

Simon-He95/markstream-vue · 67 tokens