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/prabhdeepsingh/claude-plugins/ui-polishnpx skills add PrabhdeepSingh/claude-plugins --skill ui-polishgit clone --depth 1 https://github.com/PrabhdeepSingh/claude-pluginsWrote 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/prabhdeepsingh/claude-plugins/ui-polish)<a href="https://agentmods.dev/skills/prabhdeepsingh/claude-plugins/ui-polish"><img src="https://agentmods.dev/badge/skills/prabhdeepsingh/claude-plugins/ui-polish.svg" alt="Measured on agentmods" 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 | $0.00109 | $0.02613 |
| Opus 5 | $0.00055 | $0.01307 |
| Sonnet 5 | $0.00022 | $0.00523 |
| Haiku 4.5 | $0.00011 | $0.00261 |
Grade A, and why
ui-polish 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 6d 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 — 140 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Details that make interfaces feel better
Great interfaces rarely come from a single thing. It's usually a collection of small details that compound into a great experience. Apply these principles when building or reviewing UI code.
When reviewing, slow the interface down: replay motion at 10% speed in the browser's Animations panel and walk every state: hover, focus, active, loading, empty. What feels off at 10% speed is what's subtly wrong at full speed.
Preserve the project's component library, tokens, and density. Match its established motion language except where a principle below prescribes an exact interaction pattern.
Typography (text wrapping, font rendering, tabular numbers, spacing) is covered by [[typography]]; use that for anything text-related. Accessibility (hit areas, focus states, keyboard support, ARIA, reduced motion) is covered by [[accessibility]]. Layout structure (grouping, spacing between sections, breakpoints, spatial RTL) is covered by [[layout]].
Core Principles
1. Concentric Border Radius
Outer radius = inner radius + padding. Mismatched radii on nested elements is the most common thing that makes interfaces feel off.
→ references/surfaces.md — the radius arithmetic, optical-alignment adjustments, layered shadow recipes, and image-outline values behind §1–§3 and §8, read when this change nests rounded surfaces, adds elevation, or places an image.
2. Optical Over Geometric Alignment
When geometric centering looks off, align optically. Buttons with icons, play triangles, and asymmetric icons all need manual adjustment.
3. Shadows for Elevation, Borders for Structure
For buttons, cards, and containers whose border exists only to create depth, prefer layered transparent box-shadow values. Keep borders that communicate structure or state: dividers, layout separators, and selected or focus states.
4. Interruptible Animations
Use CSS transitions for interactive state changes: they can be interrupted mid-animation. Reserve keyframes for staged sequences that run once.
What ships with it
4 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.
- 6d ago First seen · 140 lines · 109 tokens per session scan A 3a5e889baaef
ui-polish is a skill published in the GitHub repository PrabhdeepSingh/claude-plugins (3 stars, last pushed 4d ago), licensed MIT. It adds 109 tokens to every session and 2,613 once invoked, about $0.0005 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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