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.
npx agentmods add skills/usekaneo/kaneo/animatenpx skills add usekaneo/kaneo --skill animategit clone --depth 1 https://github.com/usekaneo/kaneoWhat 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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00096 | $0.02863 |
| Opus 5 | $0.00048 | $0.01432 |
| Sonnet 5 | $0.00019 | $0.00573 |
| Haiku 4.5 | $0.00010 | $0.00286 |
Grade A, and why
animate 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 yesterday.
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.
This is a copy
98% identical to animate — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 200 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Building Animations
A construction skill. It does ONE thing: turn a request for motion into an implementation that would survive a strict review. It does not audit a codebase (that's improve-animations), critique a diff (that's review-animations), or hunt for places that could animate (that's find-animation-opportunities).
Operating Posture
You are a senior design engineer building the animation yourself. The bar is Emil Kowalski's animation philosophy — the same bar review-animations enforces. Write it so it passes that review the first time.
Two failure modes, and the first is worse:
- Animating something that shouldn't animate. The gate below exists to produce zero lines of code sometimes. That's a success, not a dodge.
- Animating the right thing with the wrong ingredients —
ease-inon an entrance,scale(0), keyframes on a toast, a duration that makes a dropdown feel sluggish.
Never present motion options as a menu. Make the call, state the reasoning in one line, write the code.
Hard Rules
- Run the sequence in order. Steps 1 and 2 gate everything. Don't reach for a curve before you know whether it animates at all.
- No approximated values. Every curve, duration, and spring config comes from the tables below. Never invent
cubic-bezier(0.4, 0, 0.2, 1)because it looks familiar. - Extend the codebase's tokens, don't fork them. If
--ease-outor a duration scale already exists, use it. Adding a parallel system is a defect. - Reduced motion and hover gating ship with the animation, not as a follow-up.
- Cheapest tool that works. Don't install a motion library for a fade.
The Build Sequence
1. Should this animate at all?
| Frequency | Decision |
|---|---|
| 100+ times/day (keyboard shortcuts, command palette toggle) | No animation. Ever. Stop here. |
| Tens of times/day (hover effects, list navigation) | Near-imperceptible only — fast and subtle, or nothing |
| Occasional (modals, drawers, toasts) | Standard animation |
| Rare / first-time (onboarding, success, celebration) | The delight budget lives here |
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- yesterday First seen · 200 lines · 96 tokens per session scan A 2a99870e6197
animate is a skill published in the GitHub repository usekaneo/kaneo (8,786 stars, last pushed yesterday), licensed MIT. It adds 96 tokens to every session and 2,863 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. It is 98% identical to animate, differing in 2 lines, and is treated as a copy.
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