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 OutThisLife/brooklyn-skills --skill visual-verifygit clone --depth 1 https://github.com/OutThisLife/brooklyn-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/outthislife/brooklyn-skills/visual-verify)<a href="https://agentmods.dev/skills/outthislife/brooklyn-skills/visual-verify"><img src="https://agentmods.dev/badge/skills/outthislife/brooklyn-skills/visual-verify/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/outthislife/brooklyn-skills/visual-verify"><img src="https://agentmods.dev/badge/skills/outthislife/brooklyn-skills/visual-verify.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00053 | $0.00279 |
| Opus 5 | $0.00026 | $0.00139 |
| Sonnet 5 | $0.00011 | $0.00056 |
| Haiku 4.5 | $0.00005 | $0.00028 |
Grade A, and why
visual-verify 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 9d 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.
What it actually says
Visual Verify
Never report a visual, layout, or theme change as done based on the diff or a passing test. Look at the running surface.
Steps
- Run the actual surface (dev server, app, TUI/GUI, Storybook — whatever shows this UI). Don't start one the user already has running.
- Capture what it looks like — screenshot it, or tell the user exactly how to see it.
- Compare against the reference: the design (Figma/mock), the sibling surface it should match, or the before state. Name the specific things you checked (color values, spacing, border, active state, contrast).
- If it doesn't match, keep the debug logging and iterate. Only say "done" once it visibly matches.
Don't
- Claim a theme/color change works because the token math looks right — verify the rendered value.
- Delete instrumentation while the visual is still wrong.
- Trust unit tests as proof a UI renders correctly.
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.
- 9d ago First seen · 32 lines · 53 tokens per session scan A 3ebb6c352a4a
visual-verify is a skill published in the GitHub repository OutThisLife/brooklyn-skills (191 stars, last pushed 22d ago), licensed MIT. It adds 53 tokens to every session and 279 once invoked, about $0.0003 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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