a11y-test

a11y-test is a skill for Claude Code, Codex from zivtech/accessibility-skills. It costs 51 tokens per session (20,664 once invoked), scanned A, original, GPL-3.0.

A testing guide for checking whether a web interface is accessible. It uses Playwright for browser and keyboard interactions, axe-core for automated accessibility scans, visual comparisons, and WCAG 2.2 checks.

In plain words
What is it for?
Use it to test keyboard flows, scan pages with axe-core, compare screenshots, and check an implementation against WCAG 2.2 requirements.
Why use it?
It provides test evidence instead of relying only on a manual review or automated scan. This helps find keyboard, visual, and standards-related problems in a working interface.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing. Also seen: installed under .agents/ (shared by several agents).

Good fit Use it to test keyboard flows, scan pages with axe-core, compare screenshots, and check an implementation against WCAG 2.2 requirements.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/zivtech/accessibility-skills/a11y-test
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 zivtech/accessibility-skills --skill a11y-test
Clone the repo
git clone --depth 1 https://github.com/zivtech/accessibility-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 a11y-test

README.md
[![agentmods](https://agentmods.dev/badge/skills/zivtech/accessibility-skills/a11y-test/github.svg)](https://agentmods.dev/skills/zivtech/accessibility-skills/a11y-test)
Your own site
<a href="https://agentmods.dev/skills/zivtech/accessibility-skills/a11y-test"><img src="https://agentmods.dev/badge/skills/zivtech/accessibility-skills/a11y-test/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-test

Your own site · 80×15
<a href="https://agentmods.dev/skills/zivtech/accessibility-skills/a11y-test"><img src="https://agentmods.dev/badge/skills/zivtech/accessibility-skills/a11y-test.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 51 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 20,664 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 unknown 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 $0.00051 $0.20664
Opus 5 $0.00026 $0.10332
Sonnet 5 $0.00010 $0.04133
Haiku 4.5 $0.00005 $0.02066

Measured 3d ago against content hash 1fcdd287018b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

a11y-test 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 3d ago.

The scan reads SKILL.md. This mod also ships 3 executable files (references/baseline-url-scan.mjs, references/census.mjs, references/hash-evidence.mjs), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

.agents/skills/a11y-test/SKILL.md · 1,092 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 3d ago Changed · +19 lines 1fcdd287018b
  2. 4d ago Changed · +116 lines 67c07ab74ef3
  3. 8d ago First seen · 957 lines · 51 tokens per session scan A bd1f6b12b3d4

Subscribe to this mod's changes

a11y-test is a skill published in the GitHub repository zivtech/accessibility-skills (6 stars, last pushed yesterday), licensed GPL-3.0. It adds 51 tokens to every session and 20,664 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 2026-08-31.