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 makifbaysal/tasktrooper --skill accessibility-basicsgit clone --depth 1 https://github.com/makifbaysal/tasktrooperWrote 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/makifbaysal/tasktrooper/accessibility-basics)<a href="https://agentmods.dev/skills/makifbaysal/tasktrooper/accessibility-basics"><img src="https://agentmods.dev/badge/skills/makifbaysal/tasktrooper/accessibility-basics/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/makifbaysal/tasktrooper/accessibility-basics"><img src="https://agentmods.dev/badge/skills/makifbaysal/tasktrooper/accessibility-basics.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 | $0.00036 | $0.01111 |
| Opus 5.5 | $0.00014 | $0.00444 |
| Sonnet 5.5 | $0.00007 | $0.00222 |
| Haiku 4.5 | $0.00004 | $0.00111 |
Grade A, and why
accessibility-basics 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 8d 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 — 75 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Accessibility Basics
Overview
Accessibility is not a pass at the end — it's built into each component. The recurring defects are div with onClick instead of a button, icon buttons with no label, and custom menus/dialogs that trap keyboard users.
Core principle: Semantic HTML and the accessible primitives do most of the work — reach for them first.
Rules
- Semantic HTML first:
buttonfor actions,afor navigation, headings in order with exactly one<h1>per page. AdivwithonClickis a defect (no keyboard, no role). - Every control is labeled: every form control has an associated
<label>; every icon-only button has anaria-label; decorative icons arearia-hidden. - Dialogs and menus are keyboard-navigable: focus moves in on open, is trapped while open, and returns to the trigger on close — the Radix primitives do this, so use them instead of hand-rolling.
- Visible focus everywhere: never remove an outline without a replacement
:focus-visiblestyle; sticky/fixed elements never cover the focus ring. - Color is never the only signal: pair status with an icon or text; keep contrast ≥4.5:1 for body text and ≥3:1 for large text, in both themes.
- Touch and zoom: hit targets ≥44px on phone / ≥24px on desktop (pad a smaller visual out to that size); a checkbox or radio shares one hit target with its label (
<label>wrapping both, orhtmlFor) so the combined row reaches 44px with no dead zone between box and text;<input>font size ≥16px on phones to stop iOS auto-zoom; never disable browser zoom (user-scalable=no,maximum-scale=1). - Motion: respect
prefers-reduced-motionviamotion-reduce:on any animation you add; smooth anchor scrolling only asmotion-safe:scroll-smoothon<html>, never unconditionalscroll-behavior: smooth. - Structure for screen readers: page landmarks (
header,nav,main,footer), a skip-to-content link before the nav,scroll-margin-topon anchor targets sitting under a sticky header, andlangon<html>matching the active locale. - Live regions: toasts and inline validation messages use
aria-live="polite"so assistive tech announces them without stealing focus. - Forms: on submit, move focus to the first invalid field; its error is linked with
aria-describedbyand the field carriesaria-invalid.
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.
- 8d ago First seen · 75 lines · 36 tokens per session scan A bf9e7fc4b343
accessibility-basics is a skill published in the GitHub repository makifbaysal/tasktrooper (113 stars, last pushed yesterday), licensed Apache-2.0. It adds 36 tokens to every session and 1,111 once invoked, about $0.0001 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 2026-10-05.
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