Testing & Quality skills

Browse reusable Agent Skills, each with a clear purpose and practical guidance.

scrolljacking

Use when reviewing rendered HTML, interactive components, or design-system patterns related to Avoid scrolljacking and custom scroll behavior. Check native semantics first, then inspect keyboard behavior, focus flow, accessible names, and screen-reader output where relevant.

73.22k repo starsObserved in 1 repos
Testing & Quality

semantic-lists

Use when reviewing rendered HTML, interactive components, or design-system patterns related to Use semantic list elements. Check native semantics first, then inspect keyboard behavior, focus flow, accessible names, and screen-reader output where relevant.

73.22k repo starsObserved in 1 repos
Testing & Quality

service-worker

Use when auditing repeat-visit performance, adding offline support, or evaluating PWA readiness for a web application.

73.22k repo starsObserved in 1 repos
Testing & Quality

session-timeout-recovery

Use when reviewing authenticated user flows or long forms. Check both client and server behavior: warning timing, dialog accessibility, autosave frequency, timeout extension, and post-login state restoration.

73.22k repo starsObserved in 1 repos
Testing & Quality

sitemap-valid

Use when applies to any site with a manually or programmatically generated XML sitemap. Use when debugging sitemap submission errors in Google Search Console.

73.22k repo starsObserved in 1 repos
Testing & Quality

skip-link

Use when reviewing rendered HTML, interactive components, or design-system patterns related to Implement 'Skip to Content' links. Check native semantics first, then inspect keyboard behavior, focus flow, accessible names, and screen-reader output where relevant.

73.22k repo starsObserved in 1 repos
Testing & Quality

source-maps

Use when auditing slow page loads, heavy assets, or rendering delays related to Provide source maps for production debugging. Verify the actual bottleneck in DevTools, Lighthouse, or field data before recommending changes.

73.22k repo starsObserved in 1 repos
Testing & Quality

specificity-management

Use when reviewing stylesheets, component styles, and responsive behavior related to Keep CSS specificity low and flat. Check the rendered layout across breakpoints and interaction states before proposing a fix.

73.22k repo starsObserved in 1 repos
Testing & Quality

sprite-generation

Use when reviewing image assets, markup, and CDN or build transforms related to Use image sprites where appropriate. Check encoded size, rendered size, loading strategy, and above-the-fold impact together.

73.22k repo starsObserved in 1 repos
Testing & Quality

srcset

Use when reviewing image assets, markup, and CDN or build transforms related to Use srcset for responsive images. Check encoded size, rendered size, loading strategy, and above-the-fold impact together.

73.22k repo starsObserved in 1 repos
Testing & Quality