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/akakaui/visual-browser-agent/responsive-auditnpx skills add Akakaui/visual-browser-agent --skill responsive-auditgit clone --depth 1 https://github.com/Akakaui/visual-browser-agentWrote 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/akakaui/visual-browser-agent/responsive-audit)<a href="https://agentmods.dev/skills/akakaui/visual-browser-agent/responsive-audit"><img src="https://agentmods.dev/badge/skills/akakaui/visual-browser-agent/responsive-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 | $0.00026 | $0.00782 |
| Opus 5 | $0.00013 | $0.00391 |
| Sonnet 5 | $0.00005 | $0.00156 |
| Haiku 4.5 | $0.00003 | $0.00078 |
Grade A, and why
responsive-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 3d 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 — 115 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Responsive Audit Skill
When to Use
Use this skill to verify responsive design:
- Layout at different breakpoints
- Navigation adaptation (hamburger menu, etc.)
- Content reflow and readability
- Touch target sizes (min 44x44px)
- Image scaling and art direction
- Font scaling and line length
- Horizontal scrolling issues
Instructions
Standard Viewports
Test at minimum:
- Desktop: 1280x720, 1920x1080
- Tablet: 768x1024 (portrait), 1024x768 (landscape)
- Mobile: 375x667 (iPhone), 390x844 (modern), 412x915 (large)
Audit Checklist Per Viewport
Navigation
- Menu accessible (hamburger on mobile)
- Touch targets ≥ 44x44px
- Logo/brand visible
- Search accessible
Content
- No horizontal scroll
- Text readable (min 16px, line length 45-75ch)
- Images scale properly
- Tables handle overflow (scroll/cards)
- Forms usable (inputs sized, labels visible)
Layout
- Grid/flex reflows correctly
- No overlapping elements
- Whitespace appropriate
- Footer accessible
Performance
- Images appropriately sized (srcset)
- No layout shift (CLS)
- Fonts loaded (FOIT/FOUT handled)
Evidence Capture
For each viewport:
navigate(url, waitUntil: "networkidle")capture_screenshot(action: "responsive-{viewport}", requirement: "{viewport} layout")inspect_page(includeA11y: true)- check touch targets, labels
Issue Documentation
{
"viewport": "mobile-375",
"issue": "Navigation menu overlaps content",
"severity": "high",
"evidence": "frames/responsive-mobile-375.png",
"wcag": "1.4.10 Reflow"
}
Output
# Responsive Audit: {url}
## Viewports Tested
- Desktop (1280x720) ✓
- Tablet (768x1024) ✓
- Mobile (375x667) ⚠ Issues found
## Issues
| Viewport | Component | Issue | Severity | Evidence |
|----------|-----------|-------|----------|----------|
| Mobile | Nav | Hamburger menu doesn't close on link click | High | event-012 |
| Tablet | Hero | Text too small (14px) | Medium | event-015 |
## Pass Rate: 85%
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.
- 3d ago First seen · 115 lines · 26 tokens per session scan A 754459a50610
responsive-audit is a skill published in the GitHub repository Akakaui/visual-browser-agent (0 stars, last pushed 10d ago), licensed MIT. It adds 26 tokens to every session and 782 once invoked, about $0.0001 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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