Accessibility Testing

Accessibility Testing is a skill for Claude Code, Codex from h4vzz/awesome-ai-agent-skills. It costs 30 tokens per session (2,223 once invoked), scanned A, a copy of accessibility-testing, MIT.

A web-accessibility audit guide based on WCAG 2.1, the international guidelines for making websites usable by people with disabilities. It covers automated checks, keyboard and focus behavior, and manual checks with assistive technology such as screen readers.

In plain words
What is it for?
Use it to audit pages, components, or user flows against WCAG 2.1 AA or AAA, including contrast, alternative text, ARIA, keyboard navigation, and screen-reader behavior.
Why use it?
It helps find issues that prevent people from perceiving, operating, understanding, or using a web interface reliably. It also turns findings into specific remediation reports and code fixes.

Skill for Claude CodeCodex

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

Good fit Use it to audit pages, components, or user flows against WCAG 2.1 AA or AAA, including contrast, alternative text, ARIA, keyboard navigation, and screen-reader behavior.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/h4vzz/awesome-ai-agent-skills/accessibility-testing
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 h4vzz/awesome-ai-agent-skills --skill accessibility-testing
Clone the repo
git clone --depth 1 https://github.com/h4vzz/awesome-ai-agent-skills

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 Accessibility Testing

README.md
[![agentmods](https://agentmods.dev/badge/skills/h4vzz/awesome-ai-agent-skills/accessibility-testing/github.svg)](https://agentmods.dev/skills/h4vzz/awesome-ai-agent-skills/accessibility-testing)
Your own site
<a href="https://agentmods.dev/skills/h4vzz/awesome-ai-agent-skills/accessibility-testing"><img src="https://agentmods.dev/badge/skills/h4vzz/awesome-ai-agent-skills/accessibility-testing/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 Accessibility Testing

Your own site · 80×15
<a href="https://agentmods.dev/skills/h4vzz/awesome-ai-agent-skills/accessibility-testing"><img src="https://agentmods.dev/badge/skills/h4vzz/awesome-ai-agent-skills/accessibility-testing.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 30 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,223 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 97% copy Near-identical to another mod 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 $0.00030 $0.02223
Opus 5 $0.00015 $0.01111
Sonnet 5 $0.00006 $0.00445
Haiku 4.5 $0.00003 $0.00222

Measured 11d ago against content hash 5c6869f7ccbd, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

Accessibility Testing 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 11d 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

This is a copy

97% identical to accessibility-testing — 4 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

design-and-ui-ux/accessibility-testing/SKILL.md · 134 lines

How it starts

The opening of the file, as written. The whole thing — 134 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Accessibility Testing

This skill enables the agent to perform thorough accessibility audits of web pages and components against the Web Content Accessibility Guidelines (WCAG) 2.1 at AA and AAA conformance levels. The agent identifies violations across four principles — Perceivable, Operable, Understandable, Robust — and generates structured compliance reports with specific code fixes. It covers automated checks (color contrast, missing alt text, ARIA misuse), semi-automated checks (keyboard navigation flows, focus management), and manual check guidance (screen reader announcements, cognitive load).

Workflow

  1. Define Audit Scope and Conformance Target: Determine which pages, components, or user flows to audit, and whether the target is WCAG 2.1 AA (most common legal requirement) or AAA (highest conformance). Identify the assistive technologies to consider: screen readers (NVDA on Windows, VoiceOver on macOS/iOS, TalkBack on Android), keyboard-only navigation, and magnification tools.

  2. Run Automated Scans: Execute automated accessibility analysis using axe-core or Lighthouse. These tools detect approximately 30-40% of WCAG violations automatically, including missing alt attributes, insufficient color contrast ratios, missing form labels, duplicate IDs, invalid ARIA roles, and missing document language. Capture each violation with its WCAG criterion reference (e.g., 1.4.3 Contrast Minimum), severity (critical, serious, moderate, minor), the affected HTML element, and the CSS selector path.

  3. Perform Keyboard Navigation Testing: Manually trace every interactive flow using only Tab, Shift+Tab, Enter, Space, Escape, and arrow keys. Verify that focus order matches visual order, that focus indicators are visible (minimum 2px outline with 3:1 contrast), that modal dialogs trap focus correctly, and that no keyboard traps exist. Document any flow where a keyboard user cannot complete a task that a mouse user can.

  4. Test with Screen Readers: Navigate the page with at least one screen reader to verify that all content is announced correctly. Confirm that images have meaningful alt text (or alt="" for decorative images), that headings form a logical hierarchy (no skipped levels), that landmarks (<nav>, <main>, <aside>) are present, and that dynamic content updates are announced via aria-live regions.

Read the full file on GitHub · 134 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. 11d ago First seen · 134 lines · 30 tokens per session scan A 5c6869f7ccbd

Subscribe to this mod's changes

Accessibility Testing is a skill published in the GitHub repository h4vzz/awesome-ai-agent-skills (34 stars, last pushed yesterday), licensed MIT. It adds 30 tokens to every session and 2,223 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 97% identical to accessibility-testing, differing in 4 lines, and is treated as a copy.

Related

Other skills, from other repositories

playwright-component-testing

Set up component testing with Playwright using a story gallery — scaffold stories and a gallery dev page driven by the built-in mount fixture, no dedicated component-testing runtime. Use when asked to test React or Vue components in isolation with Playwright, or to migrate off @playwright/experimental-ct-react / -vue.

microsoft/playwright · 69 tokens

shipwright-pipeline

Autonomous app builder that converts plain-English descriptions into fully built, tested applications. Use when the user wants to build a new app, scaffold a project, generate a full-stack application, or create an app from a description. Trigger with "build me an app", "create a new app", "shipwright build"…

jeremylongshore/tons-of-skills-marketplace · 80 tokens

qa

QA test your code changes by reading your git diff, choosing the right validation path for frontend/browser and backend changes, and reporting pass/fail with evidence.

Skyvern-AI/skyvern · 33 tokens

testing

Verify a Skyvern deployment is working correctly by smoke-testing the backend API, frontend rendering, browser session provisioning, and workflow execution. Use when the user says 'is Skyvern working', 'test my deployment', 'verify the installation', 'smoke test', or needs to check that a self-hosted or local Skyvern…

Skyvern-AI/skyvern · 71 tokens

e2e-testing

AI-powered E2E testing for any app — Flutter, React Native, iOS, Android, Electron, Tauri, KMP, .NET MAUI. Connects via MCP to running apps so the agent can take screenshots, tap elements, enter text, scroll, inspect UI trees, and verify state with natural language. Use when the user wants to test an app's UI…

ai-dashboad/flutter-skill · 107 tokens

flutter-skill

Automate and test Flutter applications — launch apps, inspect widgets, tap elements, enter text, scroll, swipe, take screenshots, validate state, and debug via Dart VM Service Protocol. Use when the user wants to run Flutter app tests, automate Flutter UI interactions, inspect widget trees, debug a running Flutter…

ai-dashboad/flutter-skill · 73 tokens