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

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

stack-trace-exposure

Use when reviewing error handling middleware, API route handlers, or server responses for security-sensitive information disclosure.

73.22k repo starsObserved in 1 repos
DevOps & Security

stop-words

Use when applies primarily when creating new content pages. Low priority for existing indexed pages where redirect risk outweighs gain. Use when building a slug naming convention.

73.22k repo starsObserved in 1 repos
Business

streaming-html

Use when reviewing server-side rendering setup, Next.js App Router pages, or Node.js HTTP handlers to verify that HTML is streamed incrementally rather than buffered until completion.

73.22k repo starsObserved in 1 repos
Testing & Quality

structured-data

Use when auditing metadata, crawlability, structured data, or indexability related to Add structured data markup. Verify the rendered HTML and HTTP response rather than relying only on source files.

73.22k repo starsObserved in 1 repos
Business

styles-lint

Use when reviewing stylesheets, component styles, and responsive behavior related to Lint CSS and SCSS files. Check the rendered layout across breakpoints and interaction states before proposing a fix.

73.22k repo starsObserved in 1 repos
Testing & Quality

subgrid

Use when reviewing card grid layouts with misaligned content areas, or any nested grid where child items need to align with sibling cards' corresponding sections without JavaScript intervention.

73.22k repo starsObserved in 1 repos
Design

subresource-integrity

Use when reviewing templates, rendered HTML, or shared components related to Add Subresource Integrity to external scripts. Validate the final browser-facing markup, not just the source framework abstraction.

73.22k repo starsObserved in 1 repos
Testing & Quality

svg-inline

Use when reviewing image assets, markup, and CDN or build transforms related to Manage inline SVG size and complexity. Check encoded size, rendered size, loading strategy, and above-the-fold impact together.

73.22k repo starsObserved in 1 repos
Testing & Quality

svg-optimization

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

73.22k repo starsObserved in 1 repos
Testing & Quality