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accessibility-expert

accessibility-expert is a skill for Claude Code from Miaoge-Ge/coding-agent-skills. It costs 97 tokens per session (1,125 once invoked), scanned A, original, MIT.

A guide for building and reviewing accessible web interfaces under WCAG 2.2 AA, a widely used set of web accessibility requirements. It covers semantic HTML, ARIA, keyboard use, focus, screen readers, forms, images, contrast, and dynamic content.

In plain words
What is it for?
Use it to create or audit accessible websites and custom widgets such as modals, menus, tabs, comboboxes, accordions, and tooltips. It also helps check forms, images, keyboard navigation, and changing page content.
Why use it?
It helps identify barriers such as unlabeled controls, keyboard traps, missing focus indicators, and poor contrast. It favors built-in HTML behavior before adding extra accessibility attributes.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the accessibility-expert plugin — 1 skill shipped together

not rated 7repo 5mo ago A scan 97 tokens original MIT

Good fit Use it to create or audit accessible websites and custom widgets such as modals, menus, tabs, comboboxes, accordions, and tooltips. It also helps check forms, images, keyboard navigation, and changing page content.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/miaoge-ge/coding-agent-skills/accessibility-expert
View source ↗ Miaoge-Ge/coding-agent-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 Miaoge-Ge/coding-agent-skills --skill accessibility-expert
Clone the repo
git clone --depth 1 https://github.com/Miaoge-Ge/coding-agent-skills

Made for: Claude Code.

Or install accessibility-expert, the plugin that ships this one along with the rest of its 1 skill.

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-expert

README.md
[![agentmods](https://agentmods.dev/badge/skills/miaoge-ge/coding-agent-skills/accessibility-expert/github.svg)](https://agentmods.dev/skills/miaoge-ge/coding-agent-skills/accessibility-expert)
Your own site
<a href="https://agentmods.dev/skills/miaoge-ge/coding-agent-skills/accessibility-expert"><img src="https://agentmods.dev/badge/skills/miaoge-ge/coding-agent-skills/accessibility-expert/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-expert

Your own site · 80×15
<a href="https://agentmods.dev/skills/miaoge-ge/coding-agent-skills/accessibility-expert"><img src="https://agentmods.dev/badge/skills/miaoge-ge/coding-agent-skills/accessibility-expert.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 97 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,125 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 $0.00097 $0.01125
Opus 5.5 $0.00039 $0.00450
Sonnet 5.5 $0.00019 $0.00225
Haiku 4.5 $0.00010 $0.00112

Measured 2mo ago against content hash 0dd987912ca9, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

accessibility-expert 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 2mo 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.

plugins/accessibility-expert/skills/accessibility-expert/SKILL.md · 75 lines

How it starts

The opening of the file, as written. The whole thing — 75 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Web Accessibility Expert

The first rule of ARIA is don't use ARIA — a native <button> beats <div role="button"> every time. Target WCAG 2.2 AA. If it doesn't work with the keyboard, it isn't done.

When to Use

  • Building UI you want accessible from the start.
  • Auditing/fixing issues: keyboard traps, unlabeled controls, low contrast, missing focus.
  • Adding accessible behavior to custom widgets (modal, menu, tabs, combobox, accordion, tooltip).
  • Forms, images, dynamic updates, and motion.

When NOT to Use

  • Pure visual styling without semantics → tailwind-expert.
  • Component state logic → react-expert.

Core Principles

1. Semantics first, ARIA last

  • Use the native element for the job (<button>, <a href>, <label>, <nav>, <main>, <dialog>, <input type>). They bring role, state, and keyboard behavior for free.
  • No ARIA is better than bad ARIA. Don't add roles to elements that already have them; don't override native semantics. ARIA changes how AT announces — it does not add behavior (you still wire keyboard/focus yourself).

2. Keyboard operability (WCAG 2.1.1)

  • Everything actionable is reachable and operable by keyboard: Tab to move, Enter/Space to activate, Esc to dismiss, arrows within composite widgets (menus, tabs, radios).
  • Keep a visible focus indicator (:focus-visible). Never outline:none without a clear replacement.
  • Logical tab order = DOM order. Avoid positive tabindex; use tabindex="-1" for programmatic focus, 0 to add non-interactive elements to tab order only when necessary.

3. Focus management for overlays

  • Dialogs/menus: move focus in on open, trap within, restore to the trigger on close, and make background inert/aria-hidden. Prefer the native <dialog> element.

4. Name, role, value (WCAG 4.1.2)

  • Every control has an accessible name: <label for>, wrapping <label>, aria-label, or aria-labelledby. Icon-only buttons need an accessible name (visually-hidden text or aria-label).
  • Images: meaningful alt; decorative → alt="". Communicate state with aria-expanded/-selected/-checked/-current/-pressed, and announce async changes via a live region (aria-live="polite", or role="alert" for errors).

Read the full file on GitHub · 75 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. 2mo ago First seen · 75 lines · 97 tokens per session scan A 0dd987912ca9

Subscribe to this mod's changes

accessibility-expert is a skill published in the GitHub repository Miaoge-Ge/coding-agent-skills (7 stars, last pushed 5mo ago), licensed MIT. It adds 97 tokens to every session and 1,125 once invoked, about $0.0004 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 2026-08-31.

Claude CodeFrontendLegal and complianceaicoding-assistantcursorprompt-engineeringsystem-prompts
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