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 kensaurus/cursor-kenji --skill audit-uiux-design-systemgit clone --depth 1 https://github.com/kensaurus/cursor-kenjiWrote 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/kensaurus/cursor-kenji/audit-uiux-design-system)<a href="https://agentmods.dev/skills/kensaurus/cursor-kenji/audit-uiux-design-system"><img src="https://agentmods.dev/badge/skills/kensaurus/cursor-kenji/audit-uiux-design-system/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/kensaurus/cursor-kenji/audit-uiux-design-system"><img src="https://agentmods.dev/badge/skills/kensaurus/cursor-kenji/audit-uiux-design-system.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium MCP Rug Pull · line 271 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
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 | $0.00057 | $0.04284 |
| Opus 5.5 | $0.00023 | $0.01714 |
| Sonnet 5.5 | $0.00011 | $0.00857 |
| Haiku 4.5 | $0.00006 | $0.00428 |
Grade A, and why
audit-uiux-design-system 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 — 476 lines — stays where its author put it; the contents beside it link to each section on GitHub.
UI Design System Audit Skill
Degree of freedom: MIXED — Steps 0–3, 5–6 [HIGH freedom]; Step 4
playwright captures [LOW freedom — run exactly]. Read
protocol-browser-anti-stall before any browser step. Breakpoints-only →
audit-responsive.
How to reason
- Observe — quote the token file, raw hex, or screenshot
- Interpret — is this the system token, a one-off, or an AI-tell?
- Classify — token leak / duplicate component / missing state / template / correct
- Severity — raw color on a core primitive = P0; missing hover = P1; radius nit = P2
Worked example
Observe:
Button.tsxusesbg-[#3B82F6];--primaryexists inglobals.css. Interpret: the primitive bypasses the token SSOT; dark mode cannot switch it. Classify: token leak on a core primitive. Severity: P0 — every button is a hardcoded hex. Finding:Button.tsx| color token | P0 | replace withbg-primary.
Self-critique before reporting [LOW freedom — do not skip]
- Tokens first — do not invent a second scale
- Evidenced — screenshot under
.playwright-mcp/or quoted class - Severity justified — P0 = core primitive off-token or unusable contrast
- Right owner — linearized desktop →
audit-responsive; WCAG keyboard →audit-accessibility - Hand-crafted — no recommendation that increases template sameness
Anti-template
Recommendations must name what to avoid, not ask for taste. Research
award-winning sites in the domain; vary rhythm (not identical py-16);
give each control a distinct hover/focus/active/disabled; define
personality tokens (radius, type voice). Defaults to call out — extend
this list from whatever the first draft reached for: identical section
padding, generic or purple gradients, three equal cards / 3-col
icon-title-desc as the default, cream or off-white page backgrounds,
italic accent words in headlines, "01/02/03" numbered section labels,
monospace labels, pill-shaped buttons everywhere, Inter/Roboto as the
only type voice, lorem empty states, uniform radius, unadapted stock art.
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.
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 Changed · +6 lines · -14 tokens per session 18a6c8f90817
- 1mo ago First seen · 470 lines · 71 tokens per session scan A ad295c45df44
audit-uiux-design-system is a skill published in the GitHub repository kensaurus/cursor-kenji (9 stars, last pushed 1mo ago), licensed MIT. It adds 57 tokens to every session and 4,284 once invoked, about $0.0002 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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