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browser-validate-ui
Original：🇺🇸 English
Translated
Run 7 UI integrity checks on any URL. Catches blank renders, contrast failures, undersized tap targets, horizontal overflow, broken images, text overflow, and element overlap. Returns structured findings your agent can read and fix. Use when asked to validate UI, browser check, check before shipping, UI integrity check, accessibility check.
1installs
Sourcellynt/llynt-skills
Added on
NPX Install
npx skill4agent add llynt/llynt-skills browser-validate-uiTags
Translated version includes tags in frontmatterSKILL.md Content
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llynt
Browser Validate UI
-
UI integrity checks for your PR pipeline.
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Measures what the browser shows users, not just what the code says.
Usage
bash
npx llynt check <url>No install. No account. Returns structured findings with rule IDs, measurements, and thresholds your agent can read and fix.
Catch what code reviews miss
— before your users do.
Go deeper
- These 7 checks are single-element spot checks.
- For 26 more free rules and access to PR gates and SARIF reports, sign up at llynt.dev
What it checks
| Check | Rule ID | What it catches |
|---|---|---|
| Page rendered | | Blank pages, failed hydration, empty body |
| Contrast | | Text failing WCAG AA (4.5:1 normal, 3:1 large) |
| Hit targets | | Interactive elements smaller than 44x44px |
| Horizontal overflow | | Page scrolls sideways (common mobile regression) |
| Broken images | | Images that failed to load |
| Text overflow | | Text clipped by overflow:hidden containers |
| Element overlap | | Interactive elements occluding each other |