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 skills add squadcodercom/squadcoder --skill wcag-accessibility-widgetgit clone --depth 1 https://github.com/squadcodercom/squadcoderWrote 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/squadcodercom/squadcoder/wcag-accessibility-widget)<a href="https://agentmods.dev/skills/squadcodercom/squadcoder/wcag-accessibility-widget"><img src="https://agentmods.dev/badge/skills/squadcodercom/squadcoder/wcag-accessibility-widget/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.
<a href="https://agentmods.dev/skills/squadcodercom/squadcoder/wcag-accessibility-widget"><img src="https://agentmods.dev/badge/skills/squadcodercom/squadcoder/wcag-accessibility-widget.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00163 | $0.02463 |
| Opus 5.5 | $0.00065 | $0.00985 |
| Sonnet 5.5 | $0.00033 | $0.00493 |
| Haiku 4.5 | $0.00016 | $0.00246 |
Grade A, and why
wcag-accessibility-widget 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.
This is a copy
95% identical to wcag-accessibility-widget — 403 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 245 lines — stays where its author put it; the contents beside it link to each section on GitHub.
WCAG Accessibility Widget
Overview
A self-hosted floating accessibility widget: a fixed button that opens a panel with toggles for common WCAG 2.1 AA features. Settings are persisted in localStorage and applied as CSS classes on <html>. No third-party service needed.
WCAG 2.1 AA Checklist — What to Build
Before touching any component, audit these items first:
| Item | What to check / implement |
|---|---|
| Skip link | <a href="#main-content"> in layout, visually hidden, visible on focus. Target <main id="main-content" tabIndex={-1}> |
| Alt text | Every <img> has descriptive alt. Decorative images get alt="" + aria-hidden="true" |
| Color contrast | Normal text ≥ 4.5:1, large text ≥ 3:1. Common fail: text-gray-500 on dark bg (~3.9:1) → use text-gray-400 |
| Keyboard navigation | All interactive elements reachable by Tab. Test with keyboard only |
| ARIA labels | aria-label on icon-only buttons, aria-expanded on toggles, aria-label on <nav> when multiple navs exist |
| Decorative elements | Emoji, underline spans, SVG icons with adjacent text → aria-hidden="true" |
| Lang + dir | <html lang="he" dir="rtl"> (or your locale) on the root element |
| Mobile responsive | Site usable on mobile without horizontal scroll |
| Accessibility declaration | Required by Israeli law (חוק שוויון זכויות) — page at /accessibility |
| Privacy policy | /privacy-policy listing exactly what data the form collects |
Widget Architecture
1. Settings type + CSS class map
type Settings = {
keyboardNav: boolean;
noAnimations: boolean;
highContrast: boolean;
textLarge: boolean; // mutually exclusive with textSmall
textSmall: boolean;
readableFont: boolean;
markHeadings: boolean;
markLinks: boolean;
};
const CLASS_MAP: Record<keyof Settings, string> = {
keyboardNav: "a11y-keyboard",
noAnimations: "a11y-no-anim",
highContrast: "a11y-contrast",
textLarge: "a11y-font-lg",
textSmall: "a11y-font-sm",
readableFont: "a11y-readable",
markHeadings: "a11y-headings",
markLinks: "a11y-links",
};
What ships with it
4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 1mo ago First seen · 245 lines · 163 tokens per session scan A 1bcc537a15be
wcag-accessibility-widget is a skill published in the GitHub repository squadcodercom/squadcoder (12 stars, last pushed 3mo ago), licensed MIT. It adds 163 tokens to every session and 2,463 once invoked, about $0.0007 per session on Opus 5.5. A static security scan graded it A with 0 findings. It is 95% identical to wcag-accessibility-widget, differing in 403 lines, and is treated as a copy.
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