Accessibility Audit Agent Skill

Audits web components and applications for WCAG 2.2 accessibility compliance, covering color contrast, semantic HTML, keyboard navigation…

Context cost
1.3k tokensestimated from the bundle, loaded when it triggers
Bundle
2 files · 5.2 kBtext throughout, nothing executable
Licence
MIT. See LICENSE.txt for full terms.the author’s own terms
Last change
—v1.0.0
Servers it uses
Noneruns standalone

What it does

审查网页、组件、原型或设计实现的无障碍问题,覆盖 WCAG 2.2 对比度、语义结构、键盘导航、焦点、动效、表单和点击目标。用户提出“无障碍审查”“WCAG 检查”“键盘可用性”“对比度检查”或要求修复可访问性问题时使用;只要求审查时不要自动修改文件。

What this skill changes about the agent has not been set out here as a list. Its SKILL.md, shown below, says it in the author’s own words.

accessibilitysecuritytesting

The skill itself

A skill is instructions the model reads, so you can see what you are getting: below is the start of its SKILL.md. The front matter loads with every session, the body loads when the skill triggers, and the whole file comes with the install.

SKILL.md4.1 kB · preview
--- name: accessibility-audit license: MIT. See LICENSE.txt for full terms. metadata: author: Onevium version: "1.0.0" ---
10# 无障碍审查
11
12基于真实实现执行证据化审查。默认目标为 WCAG 2.2 AA;AAA 或项目自己的更高标准必须单独标注,不能混写成 AA 硬要求。
13
14## 1. 确认范围与操作模式
15
16- 优先审查用户点名或本轮刚修改的文件;不明确且会改变结论时再询问。
17- 读取完整页面、相关样式、组件和交互代码,确认框架、目标设备及用户指定标准。
18- 用户只要求审查时,仅输出发现;用户明确要求修复时,才修改文件并验证。
19
20## 2. 对比度与颜色
21
22- 普通文本对比度至少 4.5:1;大号文本至少 3:1。
23- UI 组件、图标、边界和必要状态提示应满足非文本对比要求。
24- 不允许只靠颜色表达成功、失败、选中或链接;同时提供文字、图标、形状或下划线等信号。
25- 能解析颜色时给出实际比值、要求值和对应前景/背景;不能解析时明确说明限制。
26- 纯白和纯黑、调色板风格等属于设计建议,不得伪装成 WCAG 失败。
27
28## 3. 语义与结构
This is a preview of SKILL.md. Download or install the skill to get the whole thing.
In the file
SKILL.md165 words
Files2
LicenceMIT. See LICENSE.txt for full terms.
Why you can read it

Nothing in a skill executes. The client loads the text and the model follows it, so a skill can be audited the way a runbook is — by reading it.

What it costs in context

Skills are not billed by the call. They are paid for in context: every token the instructions occupy is a token your code, your diff and your conversation cannot use. Here is what this one takes and when it takes it.

≈70
always loaded
The name and description, so the model knows the skill exists and when to reach for it.
1,230
on trigger
The instruction body and 1 supporting file, read only when the skill fires.
0.65%
of a 200k window
Ten skills this size would take about 7% of the window before you open a file.
050k100k150k200k context window

1.3k tokens, estimated from the bundle at four bytes to the token, held for the rest of the session once it triggers. Middling. Fine to keep on in a project where you use it weekly, worth unloading in one where you never do.

Servers bill, skills cost

A server charges by the month. A skill charges once per session, in context, and then keeps charging it for as long as the session lives.

Before and after

The same question, put to the same model twice: once as it comes, and once with these instructions loaded.

No worked example has been published for this skill yet.

The procedure it runs

The procedure has not been set out here step by step. It is in the body of its SKILL.md: the start of it is shown above, and the whole file comes with the install.

Prose, not code

These steps are written for a model to follow, not executed by a runtime. It can still be told to skip one, and it will say so when it does.

Servers it uses

None. This skill calls no MCP servers at all.

Everything it needs is in the instructions, so it works in a project with nothing connected — the model reads the file and changes how it works with what it can already reach.

Its SKILL.md does not declare which tools it asks the agent for, so what it touches is whatever the instructions themselves ask for — read them before you install it.

What it asks for
Writes filesnot declared
Network accessnot declared

This SKILL.md carries no allowed-tools line, so neither is declared. A skill grants no permissions of its own — it can only ask for tools your client already has.

What it will not do

Every skill is narrow, and the useful ones say where they stop. These are the jobs this one is the wrong tool for.

What this skill is not for has not been published here. Nothing is implied by that: it is a section the author has not filled in.

What is in the bundle

2 files, 5.2 kB on disk. A bundle is text throughout: the instructions the model reads, plus the templates it fills in.

  • SKILL.md4.1 kB
  • LICENSE.txt1.1 kB
What is not in it

No dependencies and nothing executable: a skill is text the agent reads, so the bundle is 2 files you can review in full before installing. The licence the author declares covers the templates and examples as well as the instructions.

Install

Installing copies the bundle into your project. Nothing runs at install time — the files sit on disk until the model reads them.

# Accessibility Audit · 1.3k tokens when loaded · macOS, Linux mkdir -p .claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/onevium-accessibility-audit/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/accessibility-audit" ] && { [ ! -e .claude/skills/accessibility-audit ] || { mv .claude/skills/accessibility-audit "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/accessibility-audit" .claude/skills/ && echo "Installed .claude/skills/accessibility-audit"
On Windows, or any OS with Node 20+
npx mcprush@latest skill add onevium/accessibility-audit

Windows PowerShell says 'running scripts is disabled on this system'? Run Set-ExecutionPolicy -Scope CurrentUser RemoteSigned once, or type npx.cmd instead of npx (codex.cmd, gemini.cmd, grok.cmd likewise). PowerShell 7 needs neither. Writes to .claude/skills/accessibility-audit/ in the current project. For every project instead, run mkdir -p ~/.claude/skills && t=$(mktemp -d) && curl -fsSL -o "$t/bundle.tar.gz" https://mcprush.com/api/skills/onevium-accessibility-audit/bundle.tar.gz && tar -xzf "$t/bundle.tar.gz" -C "$t" && [ -d "$t/accessibility-audit" ] && { [ ! -e ~/.claude/skills/accessibility-audit ] || { mv ~/.claude/skills/accessibility-audit "$t/.previous" && echo "Previous copy moved to $t/.previous"; }; } && mv "$t/accessibility-audit" ~/.claude/skills/ && echo "Installed ~/.claude/skills/accessibility-audit" (macOS, Linux) — or add --global to the npx line. The curl line replaces .claude/skills/accessibility-audit/ only after the download succeeds, so files left there by another skill of the same name, or by an older release, do not mix in. A copy already there is moved aside, not deleted, and the line prints where.

Which clients pick it up on their own

A skill is a folder of text. Most of these read a skills folder and pick it up without being told; the rest take the same folder another way — an upload in the app, a parameter on an API call — and then choose it by its description just the same.

Claude Code.claude/skills/
Claude DesktopCustomize › Skills
ChatGPTSkills › Create › Upload
Cursor.cursor/skills/
VS Code.github/skills/
Codex CLI.agents/skills/
Gemini CLI.gemini/skills/
Grok Build.grok/skills/
Microsoft CopilotSkills › Upload a skill
PerplexityComputer › Skills › Upload a skill
DeepSeek Harness.dsh/skills/
Zed.agents/skills/
Devin Desktop.devin/skills/
Windsurf (legacy).windsurf/skills/
OpenAI Agents SDKInstructions or sandbox Skills
HTTP / APIa request parameter
This release
Version1.0.0
Publishedno release date on file
PriceFree
Referenceonevium/accessibility-audit

Versions

v1.0.0 is what is on the shelf; no release here carries a date. Instructions change more often than APIs do — a skill can be rewritten entirely without anything it depends on moving.

v1.0.0
  • No earlier releases have been published to the marketplace.
Pinning

The install command always fetches the release that is current the day you run it — v1.0.0 today — and cannot ask for an earlier one. The copy on your disk does not change until you run it again.

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