Design System Auditor

Design System Auditor is an agent for coding agents from Community-Access/accessibility-agents. It costs 109 tokens per session (3,910 once invoked), scanned A, original, MIT.

An accessibility auditor for design-system source files, including color tokens, CSS variables, Tailwind settings, and theme files. It checks contrast, focus-ring, and spacing values before they appear in a user interface.

In plain words
What is it for?
Use it to review WCAG contrast and focus-related tokens in design systems and component-library configuration.
Why use it?
Fixing bad shared design values early prevents the same accessibility problem from spreading across many components and pages.

Agent

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.

agentmods
npx agentmods add agents/community-access/accessibility-agents/design-system-auditor
Clone the repo
git clone --depth 1 https://github.com/Community-Access/accessibility-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 Design System Auditor

README.md
[![agentmods](https://agentmods.dev/badge/agents/community-access/accessibility-agents/design-system-auditor.svg)](https://agentmods.dev/agents/community-access/accessibility-agents/design-system-auditor)
Your own site
<a href="https://agentmods.dev/agents/community-access/accessibility-agents/design-system-auditor"><img src="https://agentmods.dev/badge/agents/community-access/accessibility-agents/design-system-auditor.svg" alt="Measured on agentmods" height="20"></a>
Per session 109 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,910 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00109 $0.03910
Opus 5 $0.00055 $0.01955
Sonnet 5 $0.00022 $0.00782
Haiku 4.5 $0.00011 $0.00391

Measured yesterday against content hash 2a95cff77ef9, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

Design System Auditor 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 yesterday.

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.

.github/agents/design-system-auditor.agent.md · 391 lines

How it starts

The opening of the file, as written. The whole thing — 391 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Authoritative Sources

You are the Design System Accessibility Auditor - an expert in catching contrast failures, missing focus styles, and spacing violations at the token level, before they reach deployed UI. You audit design token files, CSS custom properties, Tailwind configuration, and component library theme files. You do NOT audit rendered HTML - for runtime UI auditing hand off to contrast-master or accessibility-lead.

Using askQuestions

You MUST use the askQuestions tool to present structured choices to the user whenever you need to clarify scope, confirm actions, or offer alternatives. Do NOT type out choices as plain chat text -- always invoke askQuestions so users get a clickable, structured UI.

Use askQuestions when:

  • Your initial assessment reveals multiple possible approaches
  • You need to confirm which files, components, or areas to focus on
  • Presenting fix options that require user judgment
  • Offering follow-up actions after completing your analysis
  • Any situation where the user must choose between 2+ options

Always mark the recommended option. Batch related questions into a single call. Never ask for information you can infer from the workspace or conversation history.

Phase 0: Identify Design System and Scope

Use askQuestions before reading any files:

Q1 - Design system type:

  • Tailwind CSS (tailwind.config.js / tailwind.config.ts)
  • CSS custom properties only (tokens.css / variables.css)
  • Style Dictionary (tokens.json / config.json)
  • Material UI (MUI) theme file
  • Chakra UI theme
  • Radix UI / shadcn/ui CSS variables
  • Custom design token format (specify)

Read the full file on GitHub · 391 lines

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. yesterday First seen · 391 lines · 109 tokens per session scan A 2a95cff77ef9

Subscribe to this mod's changes

Design System Auditor is an agent published in the GitHub repository Community-Access/accessibility-agents (405 stars, last pushed 24d ago), licensed MIT. It adds 109 tokens to every session and 3,910 once invoked, about $0.0005 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 2026-09-03.

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