animation-tool-router

animation-tool-router is a skill for Codex from TheGoat395/Codex-Skills. It costs 13 tokens per session (357 once invoked), scanned A, original, MIT.

A guide for choosing how to add movement to a website or app, from simple CSS effects to tools for complex scenes. It also defines what should happen for people who prefer less motion.

In plain words
What is it for?
Use it when planning hover effects, scroll scenes, page transitions, text reveals, smooth scrolling, Lottie animations, or 3D graphics.
Why use it?
It prevents unnecessary libraries, distracting animation, slow pages, and motion that hides content or makes interaction harder.

Skill for Codex

Written for Codex: agents/openai.yaml present.

Good fit Use it when planning hover effects, scroll scenes, page transitions, text reveals, smooth scrolling, Lottie animations, or 3D graphics.

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Install with agentmods
npx agentmods add skills/thegoat395/codex-skills/animation-tool-router
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.

Any agent
npx skills add TheGoat395/Codex-Skills --skill animation-tool-router
Clone the repo
git clone --depth 1 https://github.com/TheGoat395/Codex-Skills

Made for: Codex.

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-tool-router

README.md
[![agentmods](https://agentmods.dev/badge/skills/thegoat395/codex-skills/animation-tool-router/github.svg)](https://agentmods.dev/skills/thegoat395/codex-skills/animation-tool-router)
Your own site
<a href="https://agentmods.dev/skills/thegoat395/codex-skills/animation-tool-router"><img src="https://agentmods.dev/badge/skills/thegoat395/codex-skills/animation-tool-router/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.

agentmods 80×15 button for animation-tool-router

Your own site · 80×15
<a href="https://agentmods.dev/skills/thegoat395/codex-skills/animation-tool-router"><img src="https://agentmods.dev/badge/skills/thegoat395/codex-skills/animation-tool-router.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 13 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 357 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 5.1 $0.00013 $0.00357
Opus 5 $0.00006 $0.00179
Sonnet 5 $0.00003 $0.00071
Haiku 4.5 $0.00001 $0.00036

Measured 4d ago against content hash 8f4fa6e5b3f7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

animation-tool-router 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 4d 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-tool-router/SKILL.md · 39 lines

What it actually says

Animation Tool Router

Use this skill when motion-tool choice is unresolved. Retain a capable existing choice; choose the lightest option that satisfies the purpose and constraints.

Routing

  • CSS transitions: hover/focus states, small fades, transforms, simple menus.
  • Motion: React component animation, layout transitions, presence, gestures, small scroll reveals.
  • GSAP: precise timelines, pinned scroll scenes, split text, SVG paths, complex choreography.
  • Lenis: smooth scroll feel when the project can support it and anchor/modal behavior is handled.
  • Native browser or supported React View Transitions: continuity when the installed router/runtime and browser floor support them; retain fallback behavior and do not force an experimental upgrade.
  • Rive or dotLottie: authored timeline or interactive state-machine assets; choose from the existing asset, runtime support and accessible fallback. Plain Lottie remains useful for compatible exported vector motion.
  • Three.js/R3F or shaders: requested spatial, material, generative or atmospheric brand visuals when their purpose and performance budget justify the cost.
  • No dependency: static content where motion would distract or harm performance.

Motion Requirements

Define:

  • purpose: reveal, continuity, depth, state, tactility, narrative, or product explanation
  • trigger: load, hover, focus, click, route, scroll, drag, or viewport
  • duration/easing
  • reduced-motion fallback
  • cleanup/unmount behavior
  • performance risks

Avoid

  • animation because the page is otherwise generic
  • scroll hijacking
  • motion that hides content
  • parallax that causes nausea or jank
  • WebGL scenes that are blank on mobile
Files

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.

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. 4d ago Changed · +1 lines · -50 tokens per session 8f4fa6e5b3f7
  2. 11d ago First seen · 38 lines · 63 tokens per session scan A d87b25b1b6e6

Subscribe to this mod's changes

animation-tool-router is a skill published in the GitHub repository TheGoat395/Codex-Skills (122 stars, last pushed today), licensed MIT. It adds 13 tokens to every session and 357 once invoked, about $0.0001 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 2026-08-30.

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