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ui-a11y-reviewer

ui-a11y-reviewer is an agent for Claude Code from galilei2050/belay. It costs 110 tokens per session (2,056 once invoked), scanned A, original, AGPL-3.0.

A code-review add-on that checks whether interface controls can be understood and used by people with disabilities.

In plain words
What is it for?
Use it when reviewing UI diffs for accessible names, labels, button sizes, contrast, visible text matching, and non-colour cues.
Why use it?
It helps catch missing labels, weak colour contrast, undersized targets, inaccessible icon buttons, and cases where colour is the only signal.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the usable-ui plugin — 1 skill, 1 command, 5 agents shipped together

not rated 2repo 2d ago A scan 110 tokens AGPL-3.0

Good fit Use it when reviewing UI diffs for accessible names, labels, button sizes, contrast, visible text matching, and non-colour cues.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/galilei2050/belay/ui-a11y-reviewer
View source ↗ galilei2050/belay
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/galilei2050/belay

Made for: Claude Code.

Or install usable-ui, the plugin that ships this one along with the rest of its 1 skill, 1 command, 5 agents.

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 ui-a11y-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/galilei2050/belay/ui-a11y-reviewer/github.svg)](https://agentmods.dev/agents/galilei2050/belay/ui-a11y-reviewer)
Your own site
<a href="https://agentmods.dev/agents/galilei2050/belay/ui-a11y-reviewer"><img src="https://agentmods.dev/badge/agents/galilei2050/belay/ui-a11y-reviewer/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 ui-a11y-reviewer

Your own site · 80×15
<a href="https://agentmods.dev/agents/galilei2050/belay/ui-a11y-reviewer"><img src="https://agentmods.dev/badge/agents/galilei2050/belay/ui-a11y-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 110 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,056 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 $0.00110 $0.02056
Opus 5.5 $0.00044 $0.00822
Sonnet 5.5 $0.00022 $0.00411
Haiku 4.5 $0.00011 $0.00206

Measured 2mo ago against content hash a40bc7a16797, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ui-a11y-reviewer 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 2mo 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.

plugins/usable-ui/agents/ui-a11y-reviewer.md · 132 lines

The source is not reproduced here

Licensed AGPL-3.0

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

Read it on GitHub

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. 2mo ago First seen · 132 lines · 110 tokens per session scan A a40bc7a16797

Subscribe to this mod's changes

ui-a11y-reviewer is an agent published in the GitHub repository galilei2050/belay (2 stars, last pushed 2d ago), licensed AGPL-3.0. It adds 110 tokens to every session and 2,056 once invoked, about $0.0004 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.

Code reviewFrontend
Related

ui-a11y-reviewer compared with agents from other repositories

ui-a11y-reviewer next to 6 agents from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
ui-a11y-reviewergalilei2050/belayAgent22d agoAGPL-3.0A110Claude Code
cpp-revieweraffaan-m/ECCAgent299kyesterdayMITA41Claude Code, Kiro
thermo-nuclear-code-quality-review-subagentmichael-denyer/pstack-claudeAgent4.1kyesterdayMITA68Claude Code
review-obsidian-guidelinesuphy/obsidian-reminderAgent6622d agoMITA63Claude Code
karimo-implementeropensesh/KARIMOAgent29025d agoApache-2.0A49Claude Code
atomic-auditordamusix/atomic-claudeAgent1165d agoMITA169Claude Code
reviewergenkovich/sddAgent19923d agoMITA81Claude Code