Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add ZachArticulateV/designer-pro-and-seo/plugin install designer-pro-and-seoWrote 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/agents/zacharticulatev/designer-pro-and-seo/design-accessibility)<a href="https://agentmods.dev/agents/zacharticulatev/designer-pro-and-seo/design-accessibility"><img src="https://agentmods.dev/badge/agents/zacharticulatev/designer-pro-and-seo/design-accessibility/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/agents/zacharticulatev/designer-pro-and-seo/design-accessibility"><img src="https://agentmods.dev/badge/agents/zacharticulatev/designer-pro-and-seo/design-accessibility.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 | $0.00101 | $0.01403 |
| Opus 5 | $0.00051 | $0.00701 |
| Sonnet 5 | $0.00020 | $0.00281 |
| Haiku 4.5 | $0.00010 | $0.00140 |
Grade A, and why
design-accessibility scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 99 lines — stays where its author put it; the contents beside it link to each section on GitHub.
design-accessibility (dispatched-leaf agent)
Wraps: skills/design-accessibility/SKILL.md — same method, no forked logic.
Method
Audit HTML against WCAG 2.2 the same way the skill does: run the bundled structural checker on the page source, then classify every finding by severity with its success criterion and a concrete remediation. Computed-contrast, live keyboard/focus, reduced-motion, and 200%-zoom facts belong to the rendered axe scan (Tier 1) and are never synthesized from the static pass.
python3 "${CLAUDE_PLUGIN_ROOT}/scripts/design/a11y_static.py" --file <page.html> --human # or --html <string>
It emits severity-ranked JSON for image alt coverage, heading order (no skipped
levels / a single <h1>), form-control labels, <html lang>, a skip-to-content
link, <main>/landmark presence, and a responsive (non-zoom-blocking) viewport meta.
When a design-system-gen token file is present, add --tokens <tokens.json> for the
token-contrast cross-check — the engine's own WCAG luminance math over the
text/bg/surface/primary/on_primary/accent slots (4.5:1 body / 3:1 UI).
Group findings critical / serious / moderate / minor, each naming its WCAG SC and a
specific fix (file:line when the source is available).
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.
- 12d ago First seen · 99 lines · 101 tokens per session scan A fab15ca2420c
design-accessibility is an agent published in the GitHub repository ZachArticulateV/designer-pro-and-seo (8 stars, last pushed 2mo ago), licensed MIT. It adds 101 tokens to every session and 1,403 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 2026-08-31.
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