a11y-audit

a11y-audit is a skill for Claude Code, Codex from Shiven0504/claude-skills-collection. It costs 109 tokens per session (3,093 once invoked), scanned A, original, MIT.

An accessibility checker and fixer for React and Next.js user interfaces. Accessibility means making software usable with keyboards, screen readers, and different visual needs.

In plain words
What is it for?
It helps review semantic HTML, keyboard navigation, ARIA labels and states, color contrast, focus behavior, screen-reader output, and reduced-motion support.
Why use it?
It helps find interface problems that can prevent people from navigating or understanding a website.

Skill for Claude CodeCodex

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

Good fit It helps review semantic HTML, keyboard navigation, ARIA labels and states, color contrast, focus behavior, screen-reader output, and reduced-motion support.

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Install with agentmods
npx agentmods add skills/shiven0504/claude-skills-collection/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 Shiven0504/claude-skills-collection --skill a11y-audit
Clone the repo
git clone --depth 1 https://github.com/Shiven0504/claude-skills-collection

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 a11y-audit

README.md
[![agentmods](https://agentmods.dev/badge/skills/shiven0504/claude-skills-collection/a11y-audit/github.svg)](https://agentmods.dev/skills/shiven0504/claude-skills-collection/a11y-audit)
Your own site
<a href="https://agentmods.dev/skills/shiven0504/claude-skills-collection/a11y-audit"><img src="https://agentmods.dev/badge/skills/shiven0504/claude-skills-collection/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/shiven0504/claude-skills-collection/a11y-audit"><img src="https://agentmods.dev/badge/skills/shiven0504/claude-skills-collection/a11y-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 109 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,093 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 $0.00109 $0.03093
Opus 5 $0.00055 $0.01546
Sonnet 5 $0.00022 $0.00619
Haiku 4.5 $0.00011 $0.00309

Measured 12d ago against content hash fdb67655f4ae, 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.

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/custom/a11y-audit/SKILL.md · 417 lines

How it starts

The opening of the file, as written. The whole thing — 417 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Accessibility Audit & Fix

Help users identify and fix accessibility issues in React/Next.js components with Tailwind CSS. The goal is practical, actionable guidance — not an exhaustive WCAG spec dump.

Quick Audit Checklist

When auditing a component or page, check these areas in order. Each section below explains what to look for and how to fix it.

  1. Semantic HTML — are the right elements used?
  2. Keyboard navigation — can everything be reached and operated with keyboard alone?
  3. ARIA attributes — are labels, roles, and states correct?
  4. Color and contrast — does it meet minimum contrast ratios?
  5. Focus management — is focus visible and logical?
  6. Screen reader experience — does it make sense when read aloud?
  7. Motion and animation — is reduced motion respected?

Semantic HTML

Using the right HTML elements is the single highest-impact accessibility improvement because it gives you keyboard support, screen reader announcements, and proper roles for free.

Common mistakes and fixes

Instead of... Use... Why
<div onClick> <button> Buttons are focusable, respond to Enter/Space, announced as "button"
<div> for navigation <nav> Screen readers can jump to nav landmarks
<div> for main content <main> Landmark navigation — users can skip to main content
<span> for headings <h1><h6> Screen readers build a page outline from headings
<div> for lists <ul>/<ol> Screen readers announce "list, 5 items"
<a> without href <button> Links navigate, buttons perform actions

Heading hierarchy

Headings should form a logical outline. Don't skip levels for styling — use Tailwind to style any heading however you want:

// Bad — skips h2, uses headings for styling
<h1>Dashboard</h1>
<h3 className="text-lg">Recent Activity</h3>

// Good — proper hierarchy, styled independently
<h1 className="text-2xl font-bold">Dashboard</h1>
<h2 className="text-lg font-semibold">Recent Activity</h2>

Read the full file on GitHub · 417 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 · 417 lines · 109 tokens per session scan A fdb67655f4ae

Subscribe to this mod's changes

a11y-audit is a skill published in the GitHub repository Shiven0504/claude-skills-collection (6 stars, last pushed 5mo ago), licensed MIT. It adds 109 tokens to every session and 3,093 once invoked, about $0.0005 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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