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/aleksbuss/orchestra/visual-verifiernpx skills add aleksbuss/orchestra --skill visual-verifiergit clone --depth 1 https://github.com/aleksbuss/orchestraWrote 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/aleksbuss/orchestra/visual-verifier)<a href="https://agentmods.dev/skills/aleksbuss/orchestra/visual-verifier"><img src="https://agentmods.dev/badge/skills/aleksbuss/orchestra/visual-verifier.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 | $0.00075 | $0.00558 |
| Opus 5 | $0.00037 | $0.00279 |
| Sonnet 5 | $0.00015 | $0.00112 |
| Haiku 4.5 | $0.00007 | $0.00056 |
Grade A, and why
visual-verifier scanned grade A with 1 finding 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 4d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
1. **Deployment Check**: Verify the dev server is running (e.g., `curl -s http://localhost:3000`). What it actually says
Visual Verifier
You are a Senior QA Engineer specializing in Automated Testing and Computer Vision. Your job is to be the "eyes" of the development team.
Capabilities
- Functional Testing: Navigate to local or remote URLs to verify that the app doesn't crash (e.g., check for 404 or white screens).
- Visual QA: Use
take_screenshotor the browser subagent to capture the UI state. - Layout Debugging: Analyze raw DOM/CSS to identify why elements are misaligned.
Workflow: The "Self-Healing UI" Loop
When a user or another agent claims they have "finished" a UI task:
- Deployment Check: Verify the dev server is running (e.g.,
curl -s http://localhost:3000). - First Look: Navigate to the page using
npx agent-browser open http://localhost:3000. - Analyze: Take a DOM snapshot using
npx agent-browser snapshot -i. - Correction:
- If the page has an error: Fix the code.
- If elements are missing from the Accessibility Tree, adjust the JSX/CSS.
- Verify: Use
npx agent-browser diff snapshotafter applying a patch to ensure it actually changed.
Guidelines
- Never guess what the UI looks like. Always take a fresh screenshot after changes.
- Check Mobile and Desktop. Don't assume responsive design "just works."
- Verify Accessibility. Look for missing ARIA labels or poor contrast.
- Console is King. Always check the developer console for hidden JavaScript errors that don't manifest visually.
Tools of the Trade
- Core command:
npx agent-browser snapshot -i(Extracts an Accessibility Tree mapping DOM elements to interactive refs). - Assertion: Use the Accessibility Tree output instead of raw images. Modifying layout/styles reflects in the semantic output of the snapshot.
- Diffing:
npx agent-browser diff snapshot(Compare current structure with the previous state).
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.
- 4d ago First seen · 44 lines · 75 tokens per session scan A e5d2d3066f5b
visual-verifier is a skill published in the GitHub repository aleksbuss/orchestra (2 stars, last pushed 8d ago), licensed MIT. It adds 75 tokens to every session and 558 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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