Atlas / Skills / anthropics / Accessibility Review

Accessibility ReviewSAFE

skills/anthropics/accessibility-review

Open source repository of plugins primarily intended for knowledge workers to use in Claude Cowork

Verdict
SAFE
Grade
B
Trust score
89 /100
Version
—
Hosts
—
License
Apache-2.0
Stars
30,607
01

Overview

Open source repository of plugins primarily intended for knowledge workers to use in Claude Cowork

Read from source at commit 4f73b5325979OBSERVED · 2026-10-20
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02

What it tells the agent

The instruction file, verbatim from the audited commit — this is the text the model reads, and the surface the audit's instruction layer examines. Quoted here so you can judge it without cloning anything.

---
name: accessibility-review
description: Run a WCAG 2.1 AA accessibility audit on a design or page. Trigger with "audit accessibility", "check a11y", "is this accessible?", or when reviewing a design for color contrast, keyboard navigation, touch target size, or screen reader behavior before handoff.
argument-hint: "<Figma URL, URL, or description>"
---

# /accessibility-review

> If you see unfamiliar placeholders or need to check which tools are connected, see [CONNECTORS.md](../../CONNECTORS.md).

Audit a design or page for WCAG 2.1 AA accessibility compliance.

## Usage

```
/accessibility-review $ARGUMENTS
```

Audit for accessibility: @$1

## WCAG 2.1 AA Quick Reference

### Perceivable
- **1.1.1** Non-text content has alt text
- **1.3.1** Info and structure conveyed semantically
- **1.4.3** Contrast ratio >= 4.5:1 (normal text), >= 3:1 (large text)
- **1.4.11** Non-text contrast >= 3:1 (UI components, graphics)

### Operable
- **2.1.1** All functionality available via keyboard
- **2.4.3** Logical focus order
- **2.4.7** Visible focus indicator
- **2.5.5** Touch target >= 44x44 CSS pixels

### Understandable
- **3.2.1** Predictable on focus (no unexpected changes)
- **3.3.1** Error identification (describe the error)
- **3.3.2** Labels or instructions for inputs

### Robust
- **4.1.2** Name, role, value for all UI components

## Common Issues

1. Insufficient color contrast
2. Missing form labels
3. No keyboard access to interactive elements
4. Missing alt text on meaningful images
5. Focus traps in modals
6. Missing ARIA landmarks
7. Auto-playing media without controls
8. Time limits without extension options

## Testing Approach

1. Automated scan (catches ~30% of issues)
2. Keyboard-only navigation
3. Screen reader testing (VoiceOver, NVDA)
4. Color contrast verification
5. Zoom to 200% — does layout break?

## Output

```markdown
## Accessibility Audit: [Design/Page Name]
**Standard:** WCAG 2.1 AA | **Date:** [Date]

### Summary
**Issues found:** [X] | **Critical:** [X] | **Major:** [X] | **Minor:** [X]

### Findings

#### Perceivable
| # | Issue | WCAG Criterion | Severity | Recommendation |
|---|-------|---------------|----------|----------------|
| 1 | [Issue] | [1.4.3 Contrast] | 🔴 Critical | [Fix] |

#### Operable
| # | Issue | WCAG Criterion | Severity | Recommendation |
|---|-------|---------------|----------|----------------|
| 1 | [Issue] | [2.1.1 Keyboard] | 🟡 Major | [Fix] |

#### Understandable
| # | Issue | WCAG Criterion | Severity | Recommendation |
|---|-------|---------------|----------|----------------|
| 1 | [Issue] | [3.3.2 Labels] | 🟢 Minor | [Fix] |

#### Robust
| # | Issue | WCAG Criterion | Severity | Recommendation |
|---|-------|---------------|----------|----------------|
| 1 | [Issue] | [4.1.2 Name, Role, Value] | 🟡 Major | [Fix] |

### Color Contrast Check
| Element | Foreground | Background | Ratio | Required | Pass? |
|---------|-----------|------------|-------|----------|-------|
| [Body text] | [color] | [color] | [X]:1 | 4.5:1 | ✅/❌ |

### Keyboard Navigation
| Element | Tab Order | Enter/Space | Escape | Arrow Keys |
|---------|-----------|-------------|--------|------------|
| [Element] | [Order] | [Behavior] | [Behavior] | [Behavior] |

### Screen Reader
| Element | Announced As | Issue |
|---------|-------------|-------|
| [Element] | [What SR says] | [Problem if any] |

### Priority Fixes
1. **[Critical fix]** — Affects [who] and blocks [what]
2. **[Major fix]** — Improves [what] for [who]
3. **[Minor fix]** — Nice to have
```

## If Connectors Available

If **~~design tool** is connected:
- Inspect color values, font sizes, and touch targets directly from Figma
- Check component ARIA roles and keyboard behavior in the design spec

If **~~project tracker** is connected:
- Create tickets for each accessibility finding with severity and WCAG criterion
- Link findings to existing accessibility remediation epics

## Tips

1. **Start with contrast and keyboard** — These catch the most common and impactful issues.
2. **Test with real assistive technology** — My audit is a great start, but manual testing with VoiceOver/NVDA catches things I can't.
3. **Prioritize by impact** — Fix issues that block users first, polish later.
03

Trust audit

SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.

LayerWhat it checksResult
L0Provenance & inventoryPASS
L1Static analysis of the codeNA
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfacePASS
L4Behavioural (sandbox)SKIPPED

What the source does

Filesystem
none-observed
Network
none-observed
Shell
none-observed
Dependencies
pinned
Secrets in source
none-found

Findings (0)

No findings outside the package's declared scope.

Gates applied: no_behavioural_pass.

Audited 2026-10-20 · audit v0.4.1 · source sha 4f73b5325979full audit observations/trust-audit/skill/anthropics__accessibility-review.json · Report an issue / request a re-scan
04

Audit history

Every audit this skill has had.

DateSourceVerdictGradeScoreChange
2026-10-204f73b5325979SAFEB89first audit
05

Questions

What does the accessibility-review — anthropics/knowledge-work-plugins skill do?

Open source repository of plugins primarily intended for knowledge workers to use in Claude Cowork

Is accessibility-review — anthropics/knowledge-work-plugins safe to install?

The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean skill reads B.

What can accessibility-review — anthropics/knowledge-work-plugins access on my machine?

The audit observed no filesystem, network or shell use at all in its source.

How current is this page?

The grade is for one exact copy of the source (4f73b5325979), read on 2026-10-20. The repository is watched, and a new audit runs when it changes — this is the first audit.

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Shows this page's audit result and links back to it. It updates when the audit does.

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Markdown
[![ModelsAtlas audit: Accessibility Review](https://modelsatlas.com/skills/anthropics/accessibility-review/badge.svg)](https://modelsatlas.com/skills/anthropics/accessibility-review/)

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