wcag22-a11y-audit

wcag22-a11y-audit is a skill for Claude Code, Codex from AIPexStudio/AIPex. It costs 111 tokens per session (4,526 once invoked), scanned A, original, MIT.

An accessibility audit for live web pages based on WCAG 2.2, the international guidelines for making websites usable by people with disabilities. It checks eight specific requirements using page structure, screenshots, and keyboard use.

In plain words
What is it for?
Use it to check images, color contrast, focus indicators, keyboard navigation, page order, and control labels on a live webpage.
Why use it?
It helps find barriers that can prevent keyboard users or screen-reader users from using a page. It also records evidence for each finding in a structured report.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to check images, color contrast, focus indicators, keyboard navigation, page order, and control labels on a live webpage.

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Install with agentmods
npx agentmods add skills/aipexstudio/aipex/wcag22-a11y-audit
About the project

AIPex is an open-source browser automation agent that operates inside the browser a user already uses, controlling pages, tabs, and other browser functions locally. It is intended for people who want browser automation without migrating to another browser, with agents connecting through MCP, skills, or its browser command-line interface. The catalogue skills and instructions extend or operate AIPex's local browser runtime.

AIPexStudio/AIPex · 1,250 stars · on GitHub · claudechrome.com

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 AIPexStudio/AIPex --skill wcag22-a11y-audit
Clone the repo
git clone --depth 1 https://github.com/AIPexStudio/AIPex

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 wcag22-a11y-audit

README.md
[![agentmods](https://agentmods.dev/badge/skills/aipexstudio/aipex/wcag22-a11y-audit/github.svg)](https://agentmods.dev/skills/aipexstudio/aipex/wcag22-a11y-audit)
Your own site
<a href="https://agentmods.dev/skills/aipexstudio/aipex/wcag22-a11y-audit"><img src="https://agentmods.dev/badge/skills/aipexstudio/aipex/wcag22-a11y-audit/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 wcag22-a11y-audit

Your own site · 80×15
<a href="https://agentmods.dev/skills/aipexstudio/aipex/wcag22-a11y-audit"><img src="https://agentmods.dev/badge/skills/aipexstudio/aipex/wcag22-a11y-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 111 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,526 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 pass 7 Sept 2026
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 $0.00111 $0.04526
Opus 5 $0.00056 $0.02263
Sonnet 5 $0.00022 $0.00905
Haiku 4.5 $0.00011 $0.00453

Measured 13d ago against content hash 452975a8866b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

wcag22-a11y-audit 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 13d 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

packages/browser-runtime/src/skill/built-in/wcag22-a11y-audit/SKILL.md · 635 lines

How it starts

The opening of the file, as written. The whole thing — 635 lines — stays where its author put it; the contents beside it link to each section on GitHub.

WCAG 2.2 Accessibility Audit Skill

When to Use This Skill

Use this skill when the user wants to:

  • Perform accessibility testing or auditing on a live webpage
  • Evaluate a page against WCAG 2.2 Success Criteria
  • Identify accessibility barriers for keyboard and screen reader users
  • Generate a structured accessibility audit report with evidence

Tool Usage Strategy (IMPORTANT)

This skill uses a hybrid approach combining structured accessibility tree analysis and visual inspection.

Priority Order

  1. PRIMARY: Accessibility Tree (search_elements)

    • Use search_elements(tabId, query) to retrieve structured accessibility information
    • This provides role, name, value, checked, expanded, disabled, focused, etc.
    • Best for: 1.1.1, 2.1.1, 4.1.2 and element identification for other SCs
  2. SECONDARY: Visual Analysis (Screenshot + LLM)

    • Use capture_screenshot(sendToLLM=true) for visual inspection
    • Essential for: 1.4.3, 1.4.11, 2.4.7 (contrast and focus visibility)
    • Insert [[screenshot:N]] placeholders in the report for evidence
  3. KEYBOARD INTERACTION: computer tool

    • Use computer(action='key', text='Tab') for keyboard navigation testing
    • Essential for: 2.1.1, 2.1.2, 2.4.3, 2.4.7
    • Capture screenshots at key moments to document focus path

Workflow for Each Test

1. Identify scope (page/component/flow)
2. Collect evidence via search_elements and/or screenshot
3. Apply SC-specific judgment rules
4. Record Pass/Fail with evidence references
5. Provide actionable fix recommendations

Threat Context & Privacy Notes

IMPORTANT: This audit may capture sensitive information.

  • Screenshots and accessibility tree dumps may contain: account names, order details, personal data, auth tokens, internal URLs.
  • DO NOT include raw sensitive data in the final report.
  • If a screenshot contains PII, note this and recommend masking before sharing.
  • Contrast/visual judgments are estimates—always recommend verification with dedicated tools (e.g., WebAIM Contrast Checker, axe DevTools).

Read the full file on GitHub · 635 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. 13d ago First seen · 635 lines · 111 tokens per session scan A 452975a8866b

Subscribe to this mod's changes

wcag22-a11y-audit is a skill published in the GitHub repository AIPexStudio/AIPex (1,250 stars, last pushed 17d ago), licensed MIT. It adds 111 tokens to every session and 4,526 once invoked, about $0.0006 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 2026-08-30.

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