Playwright Visual AI Monitor
Take a full-page screenshot on a schedule, analyse it with an LLM for anomalies, and Slack-alert when something looks off.
Playwright Visual AI Monitor
Browser automation meets AI analysis: Playwright captures the page, the LLM inspects the screenshot for anomalies or changes, and your team gets a Slack ping if anything looks wrong.
What this workflow does
- Cron trigger fires on schedule (e.g. every 30 minutes)
- Playwright navigates to the target URL and takes a full-page screenshot
- LLM analyses the image for visual anomalies, errors, or unexpected changes
- Condition fires Slack only when the LLM flags an issue
- Slack sends the alert; Output logs clean runs
Use cases
- Production dashboard uptime monitoring
- UI regression detection without test suites
- E-commerce price or availability tracking
Setup
Set your target URL in the Playwright node. Configure Slack credentials in Heym. Tune the LLM system instruction to describe what "normal" looks like for your page.
FAQ
Does this replace visual regression tests? It complements them — great for pages with dynamic content where pixel-diff tests produce too many false positives.
Which LLM supports image input? Use a vision-capable model (e.g. gpt-4o, claude-opus-4-7).
How to import this template
- 1Click Import → Copy JSON on this page.
- 2Open your Heym and navigate to a workflow canvas.
- 3Press Cmd+V / Ctrl+V — nodes appear instantly.
- 4Add your API keys in the node config panels and click Run.
Click a node to select it — same as the Heym editor; the panel shows its settings.
9 nodes · Free & source-available
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