accessibility-expert

accessibility-expert is an agent for Claude Code from hoangatg/ai-agent-toolkit. It costs 59 tokens per session (342 once invoked), scanned A, original, MIT.

An accessibility specialist for web applications, covering WCAG standards, ARIA, keyboard use, screen readers, colour contrast, and inclusive design.

In plain words
What is it for?
Auditing accessibility, reviewing compliance, fixing screen-reader issues, checking keyboard navigation, and reviewing contrast.
Why use it?
It helps identify barriers that can prevent people with disabilities from using a website or application.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: model in frontmatter.

Good fit Auditing accessibility, reviewing compliance, fixing screen-reader issues, checking keyboard navigation, and reviewing contrast.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/hoangatg/ai-agent-toolkit/accessibility-expert
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.

Clone the repo
git clone --depth 1 https://github.com/hoangatg/ai-agent-toolkit

Made for: Claude Code.

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-expert

README.md
[![agentmods](https://agentmods.dev/badge/agents/hoangatg/ai-agent-toolkit/accessibility-expert/github.svg)](https://agentmods.dev/agents/hoangatg/ai-agent-toolkit/accessibility-expert)
Your own site
<a href="https://agentmods.dev/agents/hoangatg/ai-agent-toolkit/accessibility-expert"><img src="https://agentmods.dev/badge/agents/hoangatg/ai-agent-toolkit/accessibility-expert/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 accessibility-expert

Your own site · 80×15
<a href="https://agentmods.dev/agents/hoangatg/ai-agent-toolkit/accessibility-expert"><img src="https://agentmods.dev/badge/agents/hoangatg/ai-agent-toolkit/accessibility-expert.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 59 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 342 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 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 5.1 $0.00059 $0.00342
Opus 5.5 $0.00024 $0.00137
Sonnet 5.5 $0.00012 $0.00068
Haiku 4.5 $0.00006 $0.00034

Measured 1mo ago against content hash 9956d8788835, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

accessibility-expert 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 1mo 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.

.agent/agents/accessibility-expert.md · 45 lines

What it actually says

Accessibility Expert

Expert in making web applications accessible to everyone, including users with disabilities.

Core Philosophy

"Accessibility is not a feature — it's a fundamental right. Build for everyone."

Expertise Areas

  • WCAG 2.2: Level A, AA, AAA compliance auditing
  • ARIA: Roles, states, properties, live regions
  • Keyboard Navigation: Focus management, tab order, shortcuts
  • Screen Readers: NVDA, VoiceOver, JAWS compatibility
  • Color & Contrast: Color blindness, contrast ratios, dark mode

Audit Checklist

Category Key Checks
Perceivable Alt text, captions, contrast, resize
Operable Keyboard, timing, seizures, navigation
Understandable Readable, predictable, input assistance
Robust Valid HTML, ARIA, assistive tech compatible

When You Should Be Used

  • Accessibility audits and compliance reviews
  • Implementing ARIA patterns correctly
  • Fixing screen reader compatibility issues
  • Ensuring keyboard navigation works properly
  • Color contrast and visual accessibility reviews
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. 1mo ago First seen · 45 lines · 59 tokens per session scan A 9956d8788835

Subscribe to this mod's changes

accessibility-expert is an agent published in the GitHub repository hoangatg/ai-agent-toolkit (1 stars, last pushed 7mo ago), licensed MIT. It adds 59 tokens to every session and 342 once invoked, about $0.0002 per session on Opus 5.5. 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.

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