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auditing-wcag

auditing-wcag is a skill for Claude Code, Codex from masuP9/a11y-specialist-skills. It costs 49 tokens per session (3,250 once invoked), scanned A, original, MIT.

A structured method for formally checking websites or code against WCAG 2.2 A or AA requirements. WCAG is a set of accessibility guidelines, and each requirement receives a result such as Pass, Fail, Not Tested, or Not Applicable.

In plain words
What is it for?
Use it to plan or perform formal WCAG audits, assess every success criterion, record evidence, and produce conformance findings for a defined scope.
Why use it?
It replaces an informal accessibility check with a complete, evidence-based conformance record. This makes it easier to see which requirements were tested and where the evidence is.

Skill for Claude CodeCodex

Written for Claude Code and Codex: allowed-tools in frontmatter, but also agents/openai.yaml present.

Part of the a11y-specialist-skills plugin — 6 skills shipped together

not rated 61repo changed 5d ago A scan 49 tokens original MIT

Good fit Use it to plan or perform formal WCAG audits, assess every success criterion, record evidence, and produce conformance findings for a defined scope.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/masup9/a11y-specialist-skills/auditing-wcag
View source ↗ masuP9/a11y-specialist-skills
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 masuP9/a11y-specialist-skills --skill auditing-wcag
Clone the repo
git clone --depth 1 https://github.com/masuP9/a11y-specialist-skills

Made for: Claude Code, Codex.

Or install a11y-specialist-skills, the plugin that ships this one along with the rest of its 6 skills.

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 auditing-wcag

README.md
[![agentmods](https://agentmods.dev/badge/skills/masup9/a11y-specialist-skills/auditing-wcag/github.svg)](https://agentmods.dev/skills/masup9/a11y-specialist-skills/auditing-wcag)
Your own site
<a href="https://agentmods.dev/skills/masup9/a11y-specialist-skills/auditing-wcag"><img src="https://agentmods.dev/badge/skills/masup9/a11y-specialist-skills/auditing-wcag/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 auditing-wcag

Your own site · 80×15
<a href="https://agentmods.dev/skills/masup9/a11y-specialist-skills/auditing-wcag"><img src="https://agentmods.dev/badge/skills/masup9/a11y-specialist-skills/auditing-wcag.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 49 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,250 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.
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 $0.00049 $0.03250
Opus 5.5 $0.00020 $0.01300
Sonnet 5.5 $0.00010 $0.00650
Haiku 4.5 $0.00005 $0.00325

Measured 5d ago against content hash 20b8d26299b5, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

auditing-wcag 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 5d 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/auditing-wcag/SKILL.md · 158 lines

How it starts

The opening of the file, as written. The whole thing — 158 lines — stays where its author put it; the contents beside it link to each section on GitHub.

日本語版 (Japanese)

WCAG Conformance Audit

You perform WCAG 2.2 AA conformance audits. Report Pass/Fail/NT/NA per success criterion with evidence.

When to Use This Skill

Perspective reviewing-a11y auditing-wcag
Goal Find issues and propose fixes Systematic conformance verification
Output Severity-based issues list Pass/Fail/NT/NA per success criterion
Scope Practical issues focus Full WCAG 2.2 A/AA coverage

Routing Rules

  • auditing-wcag: Requests for "audit", "compliance", "conformance", or formal reporting.
  • reviewing-a11y: Requests for "review", "find issues", "improvements", or dev feedback.
  • If unclear, ask which goal they want: compliance report or issue review.

Workflow (6 Steps)

1. Input Acceptance

  • Accept a URL or local file path.
  • For multiple pages, confirm the list and entry points.
  • For local files, use the available file-reading capability (runtime behavior cannot be executed).

2. Scope Contract

Confirm and get agreement on:

  • Target level (A/AA, default WCAG 2.2 AA)
  • Page scope (all pages / representative pages / provided URLs)
  • Target environment (production / staging) and whether key presses, value changes and submissions may happen (confirm with the user; this decides the --checks value in "Automated Checks" below)
  • Limitations (AT checks out of scope, dynamic behavior depends on browser interaction)
  • Output format (Pass/Fail/NT/NA per success criterion)

3. Automated Checks

  1. If a shell is available, run the a11y-audit CLI first (see "Automated Checks CLI" below). Use --checks all only when the scope contract confirmed that side effects are acceptable. If that was not confirmed or side effects are not acceptable, list only the "allowlist of checks that do not operate the page" below (including page-snapshot).
  2. Sort the results into "settled / needs review" with the knowledge base rules below.
  3. Use browser interaction to verify candidates that need review and for "4. Interactive Checks".
  4. If no shell is available, use browser interaction in place of step 1 (navigate and capture the accessibility tree). Record the checks it could not cover under limitations.
  5. If neither is available, retrieve HTML with the available web capability and limit judgments accordingly.
  • Collect the material for each criterion with references/automated-checks.md.
  • Use references/coverage-matrix.md to ensure A/AA coverage.

Read the full file on GitHub · 158 lines

Files

What ships with it

16 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.

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. 5d ago Changed · +11 lines 20b8d26299b5
  2. 6d ago Changed 4061546fba52
  3. 22d ago Changed · +13 lines fc971165b5fb
  4. 23d ago Changed · +4 lines f2df70f606a2
  5. 24d ago Changed · +4 lines 815b59e0ef7f
  6. 1mo ago Changed · +1 lines 12c6d058ac61
  7. 2mo ago First seen · 125 lines · 49 tokens per session scan A ef1301a83e0f

Subscribe to this mod's changes

auditing-wcag is a skill published in the GitHub repository masuP9/a11y-specialist-skills (61 stars, last pushed today), licensed MIT. It adds 49 tokens to every session and 3,250 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 2026-08-30.

Design and UXLegal and compliance
Related

auditing-wcag compared with skills from other repositories

auditing-wcag next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
auditing-wcagmasuP9/a11y-specialist-skillsSkill61todayMITA49Claude Code, Codex
accessibility-compliance-accessibility-auditsickn33/agentic-awesome-skillsSkill49kyesterdayMITA38Claude Code
ada-plan-view-accessibilitybenchflow-ai/skillsbenchSkill1.9k2d agoApache-2.0A41Claude Code, Codex
counselaimeos/pagibleSkill6022d agoMITA34Claude Code, Codex
linkfox-sif-compliance-detectionlinkfox-ai/linkfox-skillsSkill1198d agoMITA91Claude Code, Codex
a11y-ops0xDarkMatter/claude-modsSkill797d agoMITA131Claude Code
arckit-at-barrierefreiheit-tractorjuiceThomasMoreAI/legal-skills-openSkill9925d agoApache-2.0A64Claude Code, Codex