frontend-ui-motion-reviewer

frontend-ui-motion-reviewer is a skill for Claude Code, Codex from RaNDoM6913/claude-code-superkit. It costs 39 tokens per session (1,172 once invoked), scanned A, original, MIT.

A review guide for motion in frontend interfaces, such as transitions, keyframe animations, and spring effects. It gives feedback in a table showing the current choice, a suggested change, and the reason.

In plain words
What is it for?
Use it when adding or reviewing interface animations, transitions, hover effects, page changes, or spring-based motion.
Why use it?
It helps prevent distracting or unnecessary movement and supports choices about timing, easing, and reduced-motion behavior.

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/random6913/claude-code-superkit/frontend-ui-motion-reviewer
Any agent
npx skills add RaNDoM6913/claude-code-superkit --skill frontend-ui-motion-reviewer
Clone the repo
git clone --depth 1 https://github.com/RaNDoM6913/claude-code-superkit

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 frontend-ui-motion-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/skills/random6913/claude-code-superkit/frontend-ui-motion-reviewer.svg)](https://agentmods.dev/skills/random6913/claude-code-superkit/frontend-ui-motion-reviewer)
Your own site
<a href="https://agentmods.dev/skills/random6913/claude-code-superkit/frontend-ui-motion-reviewer"><img src="https://agentmods.dev/badge/skills/random6913/claude-code-superkit/frontend-ui-motion-reviewer.svg" alt="Measured on agentmods" height="20"></a>
Per session 39 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,172 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 $0.00039 $0.01172
Opus 5 $0.00019 $0.00586
Sonnet 5 $0.00008 $0.00234
Haiku 4.5 $0.00004 $0.00117

Measured 4d ago against content hash 6d326a626d50, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

frontend-ui-motion-reviewer 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.

packages/codex/skills/frontend-ui-motion-reviewer/SKILL.md · 106 lines

How it starts

The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Frontend UI Motion Reviewer

Activates on: transition / @keyframes / animation / useSpring / AnimatePresence / motion.* additions · new cubic-bezier tokens · user asks about motion/animation/transition/easing/duration/spring while UI files active.

Phase 0: Context

  1. Read AGENTS.md or CLAUDE.md — product, motion library in use, use frequency
  2. Establish exposure frequency:
    • 100+×/day (keyboard shortcuts, main nav toggles) → NO animation
    • Tens×/day (hovers, tab switches) → remove/reduce to <100ms
    • Occasional (modals, drawers, page transitions) → standard
    • Rare (onboarding, celebration) → can be expressive

Phase 1: Apply the 4 Questions

Q1: Should this animate?

  • Keyboard-initiated? → WARNING, propose removing
  • High-exposure? → SUGGESTION to reduce/remove

Q2: What's the purpose?

Valid: spatial consistency · state indication · explanation · feedback · preventing jarring change. If none fit → WARNING "no clear purpose".

Q3: What easing?

Kind Correct
Entering/exiting screen ease-out or custom fast-to-slow
On-screen morph/move ease-in-out
Hover / color change ease (CSS default OK)
Marquee / progress / spinner linear
  • ease-in on UI → CRITICAL (delays start; use ease-out)
  • CSS default ease-out too weak; use custom constants:
--ease-out:    cubic-bezier(0.23, 1, 0.32, 1);
--ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
--ease-drawer: cubic-bezier(0.32, 0.72, 0, 1);   /* iOS drawer */
--ease-snappy: cubic-bezier(0.2, 0.8, 0.2, 1);   /* buttons, tooltips */

Q4: How fast?

Element Duration
Button press feedback 100–160ms
Tooltip / small popover 125–200ms
Dropdown / select 150–250ms
Tab / section transition 180–300ms
Modal / drawer 200–500ms
Toast slide 200–350ms
SPA page transition 300–500ms
Marketing / onboarding 500–2000ms+
  • 300ms on standard UI → WARNING · >500ms on non-marketing → CRITICAL

Read the full file on GitHub · 106 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 · 106 lines · 39 tokens per session scan A 6d326a626d50

Subscribe to this mod's changes

frontend-ui-motion-reviewer is a skill published in the GitHub repository RaNDoM6913/claude-code-superkit (2 stars, last pushed 1mo ago), licensed MIT. It adds 39 tokens to every session and 1,172 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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