a11y-audit

a11y-audit is a skill for Codex from bestagentkits/agency-skills. It costs 74 tokens per session (2,357 once invoked), scanned A, original, MIT.

An accessibility checker and repair workflow for web code. Accessibility means making websites usable by people with disabilities; WCAG is the main set of web accessibility guidelines.

In plain words
What is it for?
Use it to scan, fix, verify, report, and continuously check React, Next.js, Vue, Angular, Svelte, or plain HTML projects against WCAG 2.2 Level A and AA.
Why use it?
It finds accessibility problems, provides fixes suited to the project’s framework, and checks that the fixes do not introduce regressions.

Skill for Codex

Written for Codex: agents/openai.yaml present.

Good fit Use it to scan, fix, verify, report, and continuously check React, Next.js, Vue, Angular, Svelte, or plain HTML projects against WCAG 2.2 Level A and AA.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/bestagentkits/agency-skills/a11y-audit
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 bestagentkits/agency-skills --skill a11y-audit
Clone the repo
git clone --depth 1 https://github.com/bestagentkits/agency-skills

Made for: 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 a11y-audit

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/bestagentkits/agency-skills/a11y-audit"><img src="https://agentmods.dev/badge/skills/bestagentkits/agency-skills/a11y-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 74 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,357 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 $0.00074 $0.02357
Opus 5 $0.00037 $0.01179
Sonnet 5 $0.00015 $0.00471
Haiku 4.5 $0.00007 $0.00236

Measured 12d ago against content hash 5d1297da6ad4, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

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 12d ago.

The scan reads SKILL.md. This mod also ships 2 executable files (scripts/a11y_scanner.py, scripts/contrast_checker.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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:

skills/claude-skills/a11y-audit/SKILL.md · 212 lines

How it starts

The opening of the file, as written. The whole thing — 212 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Accessibility Audit

WCAG 2.2 Accessibility Audit and Remediation Skill

Description

The a11y-audit skill provides a complete accessibility audit pipeline for modern web applications. It implements a three-phase workflow -- Scan, Fix, Verify -- that identifies WCAG 2.2 Level A and AA violations, generates exact fix code per framework, and produces stakeholder-ready compliance reports.

For every violation it finds, it provides the precise before/after code fix tailored to your framework (React, Next.js, Vue, Angular, Svelte, or plain HTML).

What this skill does:

  1. Scans your codebase for every WCAG 2.2 Level A and AA violation, categorized by severity (Critical, Major, Minor)
  2. Fixes each violation with framework-specific before/after code patterns
  3. Verifies that fixes resolve the original violations and introduces no regressions
  4. Reports findings in a structured format suitable for developers, PMs, and compliance stakeholders
  5. Integrates into CI/CD pipelines to prevent accessibility regressions

Features

Feature Description
Full WCAG 2.2 Scan Checks all Level A and AA success criteria across your codebase
Framework Detection Auto-detects React, Next.js, Vue, Angular, Svelte, or plain HTML
Severity Classification Categorizes each violation as Critical, Major, or Minor
Fix Code Generation Produces before/after code diffs for every issue
Color Contrast Checker Validates foreground/background pairs against AA and AAA ratios
Compliance Reporting Generates stakeholder reports with pass/fail summaries
CI/CD Integration GitHub Actions, GitLab CI, Azure DevOps pipeline configs
Keyboard Navigation Audit Detects missing focus management and tab order issues
ARIA Validation Checks for incorrect, redundant, or missing ARIA attributes

Severity Definitions

Severity Definition Example SLA
Critical Blocks access for entire user groups Missing alt text, no keyboard access to navigation Fix before release
Major Significant barrier that degrades experience Insufficient color contrast, missing form labels Fix within current sprint
Minor Usability issue that causes friction Redundant ARIA roles, suboptimal heading hierarchy Fix within next 2 sprints

Read the full file on GitHub · 212 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. 12d ago First seen · 212 lines · 74 tokens per session scan A 5d1297da6ad4

Subscribe to this mod's changes

a11y-audit is a skill published in the GitHub repository bestagentkits/agency-skills (11 stars, last pushed 2mo ago), licensed MIT. It adds 74 tokens to every session and 2,357 once invoked, about $0.0004 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 2026-08-31.

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