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Agent skill

Check Accessibility

by AgnosticUI in AgnosticUI/agnosticui

Review component for accessibility issues. An agent skill from AgnosticUI/agnosticui.

Apache-2.0Auto-check passedFrontend & Design

Install Check Accessibility

skills CLI
$ npx skills add AgnosticUI/agnosticui --skill check-accessibility -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install AgnosticUI/agnosticui check-accessibility --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/AgnosticUI/agnosticui.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/check-accessibility .claude/skills/check-accessibility && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
check-accessibility
GitHub stars
827
Token cost
~635 tokens
SKILL.md length
245 words
Files
1
Skills in repo
6
Repo updated
First seen
Licence
Apache-2.0

At a glance

Review component for accessibility issues. An agent skill from AgnosticUI/agnosticui.

  • Works in 6 steps: Search for latest standards → Locate component files → Analyze against current standards → …
  • Tasks that involve Accessibility
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Check Accessibility is an agent skill from AgnosticUI/agnosticui. Review component for accessibility issues

Its SKILL.md is about 640 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Frontend & Design, covering Accessibility. It works with React and Vue.js. The repository describes itself as: AgnosticUI Local (v2) is a CLI-based UI component library that copies components directly into your project. Works with AI tools, agent-driven UIs, and prompt-ready workflows. The licence is Apache-2.0.

When your agent uses it

  • Tasks that involve Accessibility

Example prompts

  • “/check-accessibility”

Requirements

  • Pre-approved tools (allowed-tools): Read, Grep, Glob, WebSearch, WebFetch

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. Search for latest standards
  2. Locate component files
  3. Analyze against current standards
  4. Framework-specific considerations
  5. Report findings
  6. If fixes requested

What it can do on your machine

Read from SKILL.md and the folder at commit c028c27. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Grep
    • Glob
    • WebSearch
    • WebFetch

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Check Accessibility loads about 635 tokens when it runs. Until then it costs about 15 tokens; SKILL.md has 245 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~15
When it runs · the whole SKILL.md, loaded when a task matches
~635

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from AgnosticUI/agnosticui at commit c028c27, republished under its Apache-2.0 licence (© AgnosticUI). 245 words, ~635 tokens.

Download SKILL.mdSave it as .claude/skills/check-accessibility/SKILL.md (or your agent's skills folder).
name
check-accessibility
description
Review component for accessibility issues
allowed-tools
Read, Grep, Glob, WebSearch, WebFetch
disable-model-invocation
true

Usage: /check-accessibility COMPONENT_NAME

Examples:

  • /check-accessibility button
  • /check-accessibility alert
  • /check-accessibility v2/lib/src/components/Button.ts

Check accessibility for: $ARGUMENTS

Setup:

  1. Read .claude/PROJECT_CONTEXT.md for AgnosticUI structure and accessibility principles

Process:

  1. Search for latest standards:

    • Use WebSearch for "WCAG 2.2 [component-type] accessibility"
    • Use WebSearch for "ARIA [specific-pattern] best practices"
    • Fetch W3C WAI-ARIA documentation if needed for specific patterns

  2. Locate component files:

    • Core component: v2/lib/src/components/$ARGUMENTS*
    • Framework implementations if relevant: v2/playgrounds/*/src/stories/*$ARGUMENTS*
    • Check PROJECT_CONTEXT for AgnosticUI's accessibility standards location

  3. Analyze against current standards:

    • Semantic HTML: Proper element usage for meaning and structure
    • ARIA attributes: Correct, necessary, and following latest specs
    • Keyboard navigation: Tab order, focus management, keyboard shortcuts
    • Focus indicators: Visible focus styles meeting contrast requirements
    • Screen reader support: Meaningful labels, descriptions, live regions
    • Color contrast: WCAG 2.2 AA requirements (4.5:1 text, 3:1 UI)
    • Touch targets: Minimum 44x44px for interactive elements
    • Motion/animation: Respects prefers-reduced-motion

  4. Framework-specific considerations:

    • Check if accessibility differs across Lit, React, Vue implementations
    • Verify ARIA is applied correctly in each framework's rendering
    • Test that events work with keyboard in all frameworks

  5. Report findings:

    • List issues with severity (Critical/High/Medium/Low)
    • Reference specific WCAG 2.2 success criteria
    • Provide remediation steps with code examples
    • Link to current W3C/MDN documentation
    • Note AgnosticUI-specific patterns to follow

  6. If fixes requested:

    • Propose changes that work across all frameworks
    • Ensure fixes align with AgnosticUI's CSS-first approach
    • WAIT FOR USER APPROVAL before implementing

AgnosticUI Accessibility Requirements:

  • WCAG 2.1 AA compliance minimum
  • Framework-agnostic solutions preferred
  • CSS custom properties for focus indicators
  • Consistent behavior across Lit, React, Vue

© AgnosticUI, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .claude/skills/check-accessibility of AgnosticUI/agnosticui.

Open the folder on GitHubat commit c028c27

Compare with similar skills

Check Accessibility next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Check Accessibility compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Check Accessibility this skillAgnosticUI/agnosticui827—~635Automated safety check: PassApache-2.0
UI/UX Design System AdvisorGalaxy-Dawn/claude-scholar5.7k1 repos~1.1kAutomated safety check: PassMIT
Monochromevaneenige/monochrome-ui132—~2.3kAutomated safety check: PassMIT
BeeqEndava/BEEQ163—~5.6kAutomated safety check: PassApache-2.0
Frontend Designjwynia/agent-skills166—~3.2kAutomated safety check: PassMIT
Component ForgeEliasOulkadi/shokunin114—~3.6kAutomated safety check: NotesMIT

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Works with

Categories

Questions about Check Accessibility

What does Check Accessibility do?

Review component for accessibility issues. An agent skill from AgnosticUI/agnosticui. Check Accessibility is an agent skill from AgnosticUI/agnosticui.

When should I use Check Accessibility?

Check Accessibility fits situations like: tasks that involve Accessibility.

How do I install Check Accessibility in Claude Code?

Run `npx skills add AgnosticUI/agnosticui --skill check-accessibility -a claude-code`. Or copy the skill folder (.claude/skills/check-accessibility in AgnosticUI/agnosticui) into .claude/skills/check-accessibility in your project. Claude Code loads it when a task matches its description.

How do I install Check Accessibility in Codex?

Run `npx skills add AgnosticUI/agnosticui --skill check-accessibility -a codex`. Or copy the skill folder (.claude/skills/check-accessibility in AgnosticUI/agnosticui) into .agents/skills/check-accessibility in your project. Codex loads it when a task matches its description.

Can I use Check Accessibility in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add AgnosticUI/agnosticui --skill check-accessibility -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/check-accessibility, .gemini/skills/check-accessibility, .github/skills/check-accessibility and .opencode/skills/check-accessibility in your project.

What does Check Accessibility need to run?

SKILL.md names no scripts, command-line tools or credentials: Check Accessibility is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Grep, Glob, WebSearch, WebFetch.

Does Check Accessibility access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Check Accessibility safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Check Accessibility use?

Check Accessibility is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Check Accessibility use?

About 635 tokens (SKILL.md is roughly 2.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Check Accessibility?

Skills that share tags, products or a category with Check Accessibility: UI/UX Design System Advisor (Galaxy-Dawn/claude-scholar, 5.7k stars), Monochrome (vaneenige/monochrome-ui, 132 stars), Beeq (Endava/BEEQ, 163 stars) and Frontend Design (jwynia/agent-skills, 166 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Check Accessibility?

AgnosticUI (a GitHub organization) maintains it in AgnosticUI/agnosticui, which has 827 GitHub stars. The repository holds 6 skills in this directory. The repository was last updated on June 30, 2026.

Source: AgnosticUI/agnosticui on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.