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.
npx agentmods add skills/skillmedev/skills/accessibility-auditnpx skills add SkillMedev/skills --skill accessibility-auditgit clone --depth 1 https://github.com/SkillMedev/skillsWrote 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.
[](https://agentmods.dev/skills/skillmedev/skills/accessibility-audit)<a href="https://agentmods.dev/skills/skillmedev/skills/accessibility-audit"><img src="https://agentmods.dev/badge/skills/skillmedev/skills/accessibility-audit.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00132 | $0.01793 |
| Opus 5 | $0.00066 | $0.00897 |
| Sonnet 5 | $0.00026 | $0.00359 |
| Haiku 4.5 | $0.00013 | $0.00179 |
Grade A, and why
Accessibility Audit 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 5d 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.
How it starts
The opening of the file, as written. The whole thing — 114 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Accessibility Audit
An interface that fails keyboard or screen reader users fails them completely - not "slightly worse UX," but locked out. Retrofitting accessibility after launch costs several times what building it in does, and automated scanners catch only about 30% of real defects, so a team that "ran axe and passed" usually ships the other 70%. This audit finds the full set, in an order that stops early failures from masking later ones, and triages every finding by severity so the team fixes blockers before polish.
Inputs to collect
Gather these before auditing. If any is missing, ask; if the user shrugs, apply the default and label it a guess.
- Scope - the pages, flows, or components under audit. Default: the top task flow (e.g., sign-up through first core action), not the whole site.
- Target conformance level - default WCAG 2.2 Level AA. Level A alone is rarely acceptable for procurement; AAA is aspirational, not a default.
- Artifact type - live URL, code, or screenshots. Code beats screenshots: focus order and ARIA state are invisible in a picture.
- Assistive tech matrix - default VoiceOver + Safari (macOS/iOS) and NVDA + Chrome (Windows).
- Known constraints - legacy widgets, third-party embeds, legal deadlines.
Operating procedure
Run the passes in this order. Keyboard comes first because a control that cannot be reached cannot be screen-reader tested; contrast comes after semantics because fixing markup often changes rendered styles.
Pass 1: Keyboard
- Tab through the entire page using only the keyboard. Everything interactive must be reachable and operable (Enter/Space for buttons, arrows within composite widgets).
- Visible focus indicator on every focusable element - never
outline: nonewithout a replacement. - Logical tab order matching visual order; no positive
tabindex. - Modals trap focus while open and restore focus to the trigger on close.
- WCAG 2.2: focus must not be entirely hidden behind sticky headers (Focus Not Obscured).
- A "skip to content" link is the first focusable element.
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.
- 5d ago First seen · 114 lines · 132 tokens per session scan A 3610e2439851
Accessibility Audit is a skill published in the GitHub repository SkillMedev/skills (11 stars, last pushed 2mo ago), licensed MIT. It adds 132 tokens to every session and 1,793 once invoked, about $0.0007 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 2026-08-30.
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