accessibility-testing

accessibility-testing is a skill for Claude Code, Codex from conorluddy/xclaude-plugin. It costs 57 tokens per session (4,812 once invoked), scanned A, original, MIT.

A testing guide for checking whether iOS apps can be used by people with disabilities. WCAG is a set of accessibility guidelines, while VoiceOver is Apple’s screen reader for describing and controlling the interface.

In plain words
What is it for?
Use it to audit accessibility before release, investigate VoiceOver issues, test Dynamic Type and contrast, and verify keyboard focus, labels, roles, and automated checks.
Why use it?
It provides checks for accessibility problems that may be missed by ordinary functional tests, including missing labels, poor contrast, and incorrect element structure.

Skill for Claude CodeCodex

Part of the xclaude-plugin plugin — 8 skills, 2 MCP servers shipped together

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.

agentmods
npx agentmods add skills/conorluddy/xclaude-plugin/accessibility-testing
Any agent
npx skills add conorluddy/xclaude-plugin --skill accessibility-testing
Clone the repo
git clone --depth 1 https://github.com/conorluddy/xclaude-plugin

Made for: Claude Code, Codex.

Or install xclaude-plugin, the plugin that ships this one along with the rest of its 8 skills, 2 MCP servers.

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/conorluddy/xclaude-plugin/accessibility-testing.svg)](https://agentmods.dev/skills/conorluddy/xclaude-plugin/accessibility-testing)
Your own site
<a href="https://agentmods.dev/skills/conorluddy/xclaude-plugin/accessibility-testing"><img src="https://agentmods.dev/badge/skills/conorluddy/xclaude-plugin/accessibility-testing.svg" alt="Measured on agentmods" height="20"></a>
Per session 57 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,812 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00057 $0.04812
Opus 5 $0.00028 $0.02406
Sonnet 5 $0.00011 $0.00962
Haiku 4.5 $0.00006 $0.00481

Measured 4d ago against content hash 66559db36e48, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, 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 4d 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/accessibility-testing/SKILL.md · 813 lines

How it starts

The opening of the file, as written. The whole thing — 813 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Accessibility Testing Skill

WCAG compliance and accessibility quality assurance for iOS applications

Overview

This skill teaches accessibility-first testing strategies for iOS apps. Accessibility testing ensures apps are usable by everyone, including people with disabilities. It combines automated validation of accessibility metadata with manual verification of user experience patterns.

Why accessibility testing matters:

  • Legal compliance: WCAG 2.1 is required in many jurisdictions
  • User reach: 15% of population has some form of disability
  • Better UX: Accessible apps are better for everyone
  • SEO benefits: Better structure improves discoverability
  • Cost savings: Fix issues early vs. retrofitting

When to Use This Skill

Use this skill when:

  1. Validating accessibility compliance before release
  2. Debugging VoiceOver issues or user reports
  3. Implementing new features that need accessibility support
  4. Running accessibility audits as part of CI/CD
  5. Testing Dynamic Type support and contrast ratios
  6. Verifying semantic markup and element roles
  7. Checking keyboard navigation and focus management

This skill covers:

  • Accessibility tree analysis and interpretation
  • WCAG 2.1 compliance checking (A, AA, AAA levels)
  • VoiceOver testing patterns
  • Dynamic Type validation
  • Common accessibility violations and fixes

Quick Reference

Task Tool/Operation Typical Time
Check accessibility quality accessibility-quality-check ~80ms
Query full accessibility tree idb-ui-describe ~120ms
Find element by label idb-ui-find-element ~100ms
Screenshot (fallback only) screenshot ~2000ms
VoiceOver simulation Manual testing -

Core Principle: Accessibility Tree First

The accessibility tree IS your primary testing interface.

Unlike visual testing (screenshots), the accessibility tree reveals:

  • What screen readers "see"
  • Semantic structure and relationships
  • Focus order and navigation paths
  • Element roles and states
  • Text alternatives for non-text content

Read the full file on GitHub · 813 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. 4d ago First seen · 813 lines · 57 tokens per session scan A 66559db36e48

Subscribe to this mod's changes

accessibility-testing is a skill published in the GitHub repository conorluddy/xclaude-plugin (182 stars, last pushed 6mo ago), licensed MIT. It adds 57 tokens to every session and 4,812 once invoked, about $0.0003 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 2026-08-30.

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