audit-ux

audit-ux is a skill for Claude Code from kensaurus/cursor-kenji. It costs 54 tokens per session (4,034 once invoked), scanned A, original, MIT.

A per-page usability review based on established usability guidelines, microcopy checks, and user-behavior metrics.

In plain words
What is it for?
Use it to evaluate individual screens, interface copy, cognitive load, and general usability. Cross-page journeys and navigation belong to a separate review.
Why use it?
It identifies confusing wording, unnecessary mental effort, and interaction problems using evidence from the page, code, or screenshots.

Skill for Claude Code

Written for Claude Code: effort in frontmatter.

Part of the cursor-kenji plugin — 132 skills, 63 commands, 6 agents, 1 hook, 3 MCP servers shipped together

Good fit Use it to evaluate individual screens, interface copy, cognitive load, and general usability. Cross-page journeys and navigation belong to a separate review.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/kensaurus/cursor-kenji/audit-ux
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.

Any agent
npx skills add kensaurus/cursor-kenji --skill audit-ux
Clone the repo
git clone --depth 1 https://github.com/kensaurus/cursor-kenji

Made for: Claude Code.

Or install cursor-kenji, the plugin that ships this one along with the rest of its 132 skills, 63 commands, 6 agents, 1 hook, 3 MCP servers.

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 audit-ux

README.md
[![agentmods](https://agentmods.dev/badge/skills/kensaurus/cursor-kenji/audit-ux/github.svg)](https://agentmods.dev/skills/kensaurus/cursor-kenji/audit-ux)
Your own site
<a href="https://agentmods.dev/skills/kensaurus/cursor-kenji/audit-ux"><img src="https://agentmods.dev/badge/skills/kensaurus/cursor-kenji/audit-ux/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.

agentmods 80×15 button for audit-ux

Your own site · 80×15
<a href="https://agentmods.dev/skills/kensaurus/cursor-kenji/audit-ux"><img src="https://agentmods.dev/badge/skills/kensaurus/cursor-kenji/audit-ux.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 54 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,034 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to high

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 →

  • high Anti-Refusal · line 239
    Skill instructs the agent to omit warnings, disclaimers, or ethical commentary. Stripping safety caveats hides risk from the user and is a common jailbreak preamble.
    Fix: Remove instructions that suppress warnings, disclaimers, or ethical commentary. Let the agent surface safety-relevant caveats to the user.
How audits are shown
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 5.1 $0.00054 $0.04034
Opus 5.5 $0.00022 $0.01614
Sonnet 5.5 $0.00011 $0.00807
Haiku 4.5 $0.00005 $0.00403

Measured 1mo ago against content hash 74d229e087e4, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

audit-ux 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.

skills/audit-ux/SKILL.md · 380 lines

How it starts

The opening of the file, as written. The whole thing — 380 lines — stays where its author put it; the contents beside it link to each section on GitHub.

UX Audit Skill

Degree of freedom: MIXED — Steps 0, 2–5 [HIGH freedom]; Step 1 research JSON and every playwright step [LOW freedom — run exactly]. Read protocol-browser-anti-stall before any browser interaction.

How to reason

  1. Observe — quote the screenshot, copy, or code line
  2. Interpret — what does this do to the human in this moment of the pipeline?
  3. Classify — heuristic fail / law violation / microcopy / correct-as-is
  4. Severity — blocks the success moment = P0; recoverable friction = P1; nit = P2

Worked example

Observe: invoice Submit stays enabled; no toast; POST /invoices in-flight 4s. Interpret: a second click creates a duplicate invoice (H1 + H5, money path). Classify: heuristic fail on a trust-sensitive write. Severity: P0 — double-submit on money. Finding: /invoices/new | H1/H5 | P0 | no pending state | disable + toast.

Self-critique before reporting [LOW freedom — do not skip]

  1. Evidenced — screenshot or quoted copy, not "feels confusing"
  2. Per-page — cross-page IA/stories → audit-ux-journeys
  3. Severity justified — P0 blocks the recorded success moment
  4. Right owner — breakpoints → audit-responsive; empty/error → audit-ui-states
  5. Context first — no finding without Step 0 human + pipeline

Context-First

Before scoring a heuristic: who is the human (state, not "users"), where this page sits in the journey, how data moves input → API → DB → screen, and the emotional arc. Step 0 is mandatory.


Step 0: Deep Product and Pipeline Understanding

0a. Understand the Business and Human Context

Read README, landing page, marketing copy, and any onboarding flows to answer:

  • What problem does this solve? (Not features — the human pain it alleviates)
  • Who is the primary human? (Demographics, technical skill, emotional state when using)
  • What's the alternative? (What do people do without this product? Spreadsheets? Phone calls? Nothing?)
  • What's the success moment? (The "aha" — when the human gets what they came for)
  • What's the trust model? (Does the user trust this product with money? Health data? Business data?)

Read the full file on GitHub · 380 lines

Files

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.

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. 1mo ago Changed · -49 lines · -18 tokens per session 74d229e087e4
  2. 1mo ago First seen · 429 lines · 72 tokens per session scan A bed3de0b5da0

Subscribe to this mod's changes

audit-ux is a skill published in the GitHub repository kensaurus/cursor-kenji (9 stars, last pushed 27d ago), licensed MIT. It adds 54 tokens to every session and 4,034 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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