creative-coder

creative-coder is a skill for Claude Code, Codex from mae616/design-skills. It costs 38 tokens per session (583 once invoked), scanned A, original, MIT.

A set of coding guidelines for building animations, transitions, scroll effects, and small interface interactions. It treats motion as changes over time and considers accessibility and performance.

In plain words
What is it for?
It is for planning or implementing animated web interfaces and micro-interactions. It helps decide what motion should communicate, keep it lightweight, and make it optional where appropriate.
Why use it?
It helps prevent unnecessary motion, inaccessible interactions, and animations that make a website slower. It also encourages supporting users who prefer reduced motion.

Skill for Claude CodeCodex

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/mae616/design-skills/creative-coder
Any agent
npx skills add mae616/design-skills --skill creative-coder
Clone the repo
git clone --depth 1 https://github.com/mae616/design-skills

Made for: Claude Code, 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 creative-coder

README.md
[![agentmods](https://agentmods.dev/badge/skills/mae616/design-skills/creative-coder.svg)](https://agentmods.dev/skills/mae616/design-skills/creative-coder)
Your own site
<a href="https://agentmods.dev/skills/mae616/design-skills/creative-coder"><img src="https://agentmods.dev/badge/skills/mae616/design-skills/creative-coder.svg" alt="Measured on agentmods" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 583 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 $0.00038 $0.00583
Opus 5 $0.00019 $0.00292
Sonnet 5 $0.00008 $0.00117
Haiku 4.5 $0.00004 $0.00058

Measured 4d ago against content hash 569851407670, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

creative-coder 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/creative-coder/SKILL.md · 61 lines

How it starts

The opening of the file, as written. The whole thing — 61 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Creative Coder Skill

When to Apply

Apply this skill when the request involves:

  • Animation, interaction, motion design, transitions, scroll effects, micro-UX, immersive experience
  • アニメーション、インタラクション、表現、演出、マイクロUX、没入感、スクロール、トランジション
  • Any visual expression or timing-based UI behavior

Core Principles

  • Experience is state transitions and timing, not just visuals. Design how things change over time.
  • Constraints first. Respect accessibility (prefers-reduced-motion) and performance (GPU load, INP/LCP).
  • Start minimal. Prototype small, keep only animations that add value.

Design Philosophy (Decision Rules)

  1. Motion is information, but can also be noise. Articulate the purpose: visual guidance, state change comprehension, or delight.
  2. Don't animate everything. Only animate important moments (create contrast).
  3. Never break a11y. Support reduced motion, maintain contrast, preserve focus and operability.
  4. Performance IS the experience. Avoid layout thrashing; prefer lightweight techniques.
  5. Make it reversible. Implement animations as toggleable features.

Initial Questions to Clarify

  • What should users understand from this motion? (Purpose)
  • What environment is expected? (Mobile / low-spec / slow network)
  • What triggers this? (Hover / click / scroll / route change)
  • Is reduced motion support required? (If yes, it's mandatory)

Output Format (Follow This Order)

  1. Purpose (what experience goal to achieve)
  2. Specification (trigger, states, duration, easing, stop conditions)
  3. Implementation approach (start minimal → enhance if needed)
  4. Accessibility considerations (reduced motion, focus, operability)
  5. Performance considerations (measurement points)
  6. Next actions (prototype → integration)

Checklist

  • Can you explain the motion's purpose? (Not just "looks cool")
  • Does it respect prefers-reduced-motion?
  • Are keyboard/focus operations unobstructed?
  • Does it avoid layout recalculations? (Prefer transform/opacity)
  • No negative impact on INP/LCP?

Read the full file on GitHub · 61 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. 4d ago First seen · 61 lines · 38 tokens per session scan A 569851407670

Subscribe to this mod's changes

creative-coder is a skill published in the GitHub repository mae616/design-skills (10 stars, last pushed 7mo ago), licensed MIT. It adds 38 tokens to every session and 583 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.

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