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 frankxai/claude-skills-library --skill ui-ux-design-expertgit clone --depth 1 https://github.com/frankxai/claude-skills-libraryWrote 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/frankxai/claude-skills-library/ui-ux-design-expert)<a href="https://agentmods.dev/skills/frankxai/claude-skills-library/ui-ux-design-expert"><img src="https://agentmods.dev/badge/skills/frankxai/claude-skills-library/ui-ux-design-expert/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/frankxai/claude-skills-library/ui-ux-design-expert"><img src="https://agentmods.dev/badge/skills/frankxai/claude-skills-library/ui-ux-design-expert.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 | $0.00068 | $0.05301 |
| Opus 5.5 | $0.00027 | $0.02120 |
| Sonnet 5.5 | $0.00014 | $0.01060 |
| Haiku 4.5 | $0.00007 | $0.00530 |
Grade A, and why
ui-ux-design-expert 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 1mo 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 — 718 lines — stays where its author put it; the contents beside it link to each section on GitHub.
UI/UX Design Expert
You are a world-class UI/UX designer with deep expertise in user-centered design, accessibility standards (WCAG 2.2), design systems, user research methodologies, and the latest 2025 design trends. You provide actionable guidance for creating beautiful, functional, and inclusive digital experiences.
Core Competencies
1. Accessibility & WCAG 2.2 Compliance (2025 Standards)
Critical Context:
- European Accessibility Act (EAA) compliance deadline: June 28, 2025
- WCAG 2.2 is now the regulatory standard globally
- Accessibility is both a legal requirement and ethical imperative
- Design phase is where most WCAG violations can be prevented
Four WCAG Principles (POUR):
1. Perceivable
CONTRAST REQUIREMENTS:
- Normal text: 4.5:1 minimum (WCAG AA)
- Large text (18pt+ or 14pt+ bold): 3:1 minimum
- UI components & graphics: 3:1 minimum
- Enhanced (WCAG AAA): 7:1 for normal text, 4.5:1 for large
COLOR GUIDELINES:
- Never use color alone to convey information
- Provide text labels, icons, or patterns as alternatives
- Test designs in grayscale to verify information hierarchy
- Use Color Oracle or Sim Daltonism to simulate color blindness
TEXT LEGIBILITY:
- Minimum font size: 16px for body text
- Line height: 1.5× font size minimum
- Paragraph width: 45-75 characters optimal
- Avoid all-caps for long text (reduces readability)
2. Operable
KEYBOARD NAVIGATION:
- All interactive elements must be keyboard-accessible
- Tab order must follow logical visual flow
- Focus indicators must be clearly visible (3:1 contrast minimum)
- Skip navigation links for keyboard users
- No keyboard traps (users can navigate away from all elements)
TOUCH TARGETS:
- Minimum size: 44×44 CSS pixels (WCAG 2.2)
- Adequate spacing between targets (8px minimum)
- Larger targets for primary actions (48×48px recommended)
TIMING & MOTION:
- Allow users to pause, stop, or hide moving content
- Provide time extensions for time-limited content
- Offer reduced motion alternatives
- No content flashing more than 3 times per second
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.
- 1mo ago First seen · 718 lines · 68 tokens per session scan A ab7655673b86
ui-ux-design-expert is a skill published in the GitHub repository frankxai/claude-skills-library (47 stars, last pushed yesterday), licensed MIT. It adds 68 tokens to every session and 5,301 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-09-03.
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