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Agent skills by addyosmani
addyosmani publishes 30 audited skills on 2 repositories: 19 SAFE, 9 CAUTION, 2 BLOCK.
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ModelsAtlas. “Agent skills by addyosmani”. Retrieved 29 Oct 2026. https://modelsatlas.com/skills/addyosmani/page/2
Performance
addyosmani/web-quality-skills
Optimize web performance for faster loading and better user experience. Use when asked to "speed up my site", "optimize performance", "reduce load time", "fix slow loading", "improve page speed", or "performance audit".
Core Web Vitals
addyosmani/web-quality-skills
Optimize Core Web Vitals (LCP, INP, CLS) for better page experience using field and lab evidence. Use when asked to "improve Core Web Vitals", "fix LCP", "reduce CLS", "optimize INP", "page experience optimization", or…
Best Practices
addyosmani/web-quality-skills
Apply modern web development best practices for security, compatibility, and code quality. Use when asked to "apply best practices", "security audit", "modernize code", "code quality review", or "check for…
Accessibility
addyosmani/web-quality-skills
Audit and improve web accessibility following WCAG 2.2 guidelines. Use when asked to "improve accessibility", "a11y audit", "WCAG compliance", "screen reader support", "keyboard navigation", or "make accessible".
Browser Testing With Devtools
addyosmani/agent-skills
Tests in real browsers via Chrome DevTools MCP. Use when building or debugging anything that runs in a browser. Use when you need to inspect the DOM, capture console errors, analyze network requests, profile…
agent-skills
addyosmani/agent-skills
Guides stable API and interface design. Use when designing APIs, module boundaries, or any public interface. Use when creating REST or GraphQL endpoints, defining type contracts between modules, or establishing…