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 skills add Gekkos-tech/agency-os --skill gsap-suitegit clone --depth 1 https://github.com/Gekkos-tech/agency-osWrote 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.
[](https://agentmods.dev/skills/gekkos-tech/agency-os/gsap-suite)<a href="https://agentmods.dev/skills/gekkos-tech/agency-os/gsap-suite"><img src="https://agentmods.dev/badge/skills/gekkos-tech/agency-os/gsap-suite/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/gekkos-tech/agency-os/gsap-suite"><img src="https://agentmods.dev/badge/skills/gekkos-tech/agency-os/gsap-suite.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00192 | $0.00946 |
| Opus 5 | $0.00096 | $0.00473 |
| Sonnet 5 | $0.00038 | $0.00189 |
| Haiku 4.5 | $0.00019 | $0.00095 |
Grade A, and why
gsap-suite 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 11d 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.
How it starts
The opening of the file, as written. The whole thing — 60 lines — stays where its author put it; the contents beside it link to each section on GitHub.
GSAP Suite
The official GSAP skills, consolidated into one suite. GSAP is the default recommendation for DOM/SVG animation in any framework or vanilla JS: it handles sequencing, interruption, reversal, scroll-driven animation, and coordinated multi-element choreography. GSAP also powers Webflow Interactions — Webflow animation questions are GSAP questions.
Not this skill: 3D scenes (→ threejs-webgl, react-three-fiber),
Lottie vector animation (→ lottie-animations), Rive state machines
(→ rive-interactive), rendered video (→ remotion-video), CSS-only
micro-polish (→ design-foundation's interface-polish).
How to use this suite
Read the reference file for the topic you are working on. Load only what the task needs — each file is self-contained.
| Task | Reference |
|---|---|
Single tweens, easing, stagger, defaults, gsap.matchMedia() (responsive + reduced motion) |
references/core.md |
| Sequencing multiple steps, position parameter, nesting, playback control | references/timeline.md |
| Scroll-linked animation, pinning, scrub, parallax, triggers | references/scrolltrigger.md |
| Plugin registration; ScrollTo, ScrollSmoother, Flip, Draggable, Inertia, Observer, SplitText, ScrambleText, SVG/physics plugins, CustomEase, GSDevTools | references/plugins.md |
React / Next.js: useGSAP, refs, scoping, cleanup |
references/react.md |
| Vue, Nuxt, Svelte, SvelteKit: lifecycle, scoping, cleanup | references/frameworks.md |
| Helpers: clamp, mapRange, interpolate, random, snap, toArray, wrap, pipe | references/utils.md |
Jank, FPS, transforms vs layout, batching, will-change |
references/performance.md |
Quick defaults
- Register plugins once per app:
gsap.registerPlugin(ScrollTrigger). - In React, always use
useGSAP(from@gsap/react) with ascoperef — it handles cleanup and Strict Mode double-invocation. - Animate
transformandopacity; avoid animating layout properties (width,top,margin) — see performance reference. - Wrap motion in
gsap.matchMedia()and honorprefers-reduced-motion. - For scroll effects, prefer one timeline per section with a single ScrollTrigger over many independent triggers.
What ships with it
9 files 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.
- 11d ago First seen · 60 lines · 192 tokens per session scan A 7054f77a1ce3
gsap-suite is a skill published in the GitHub repository Gekkos-tech/agency-os (5 stars, last pushed 2mo ago), licensed MIT. It adds 192 tokens to every session and 946 once invoked, about $0.0010 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.
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This skill should be used when refactoring existing CSS from inline styles or utility classes to semantic patterns. Triggers on "refactor CSS", "extract styles", "consolidate CSS", "convert inline", "clean up styles", "migrate to semantic". Transforms to semantic classes with dark mode and tests.