published by addyosmani

32 listings on this page, in order of arrival. Each one has its own page with README, repository facts and source links.

1. web-quality-skills ★ 2,783
   Measurement-first Agent Skills for Lighthouse, Chrome DevTools, Core Web Vitals, WCAG 2.2, SEO, and agentic browsing.
2. accessibility ★ 2,783
   Audit and improve web accessibility following WCAG 2.2 guidelines. Use when asked to "improve accessibility", "a11y audit", "WCAG compliance
3. seo ★ 2,783
   Optimize for search engine visibility and ranking. Use when asked to "improve SEO", "optimize for search", "fix meta tags", "add structured
4. code-review-and-quality ★ 93,777
   Conducts multi-axis code review. Use before merging any change. Use when reviewing code written by yourself, another agent, or a human. Use
5. performance ★ 2,783
   Optimize web performance for faster loading and better user experience. Use when asked to "speed up my site", "optimize performance", "reduc
6. frontend-ui-engineering ★ 93,777
   Builds production-quality, accessible, responsive user-facing UIs. Use when building or modifying interfaces and pages, creating components,
7. security-and-hardening ★ 93,777
   Hardens code against vulnerabilities. Use when handling user input, authentication, data storage, or external integrations. Use when buildin
8. planning-and-task-breakdown ★ 93,777
   Breaks work into ordered tasks. Use when you have a spec or clear requirements and need to break work into implementable tasks. Use when a t
9. spec-driven-development ★ 93,777
   Creates specs before coding. Use when starting a new project, feature, or significant change and no specification exists yet. Use when draft
10. performance-optimization ★ 93,777
    Optimizes application performance across frontend, backend, queries, and databases. Use when performance requirements exist, when you suspec
11. documentation-and-adrs ★ 93,777
    Records decisions and documentation. Use when making architectural decisions, changing public APIs, shipping features, or when you need to r
12. code-simplification ★ 93,777
    Simplifies code for clarity. Use when refactoring code for clarity without changing behavior. Use when code works but is harder to read, mai
13. debugging-and-error-recovery ★ 93,777
    Guides systematic root-cause debugging. Use when tests fail, builds break, behavior doesn't match expectations, or you encounter any unexpec
14. incremental-implementation ★ 93,777
    Delivers changes incrementally. Use when implementing any feature or change that touches more than one file. Use when you're about to write
15. test-driven-development ★ 93,777
    Drives development with tests. Use when implementing any logic, fixing any bug, or changing any behavior. Use when you need to prove that co
16. context-engineering ★ 93,777
    Optimizes agent context setup. Use when starting a new session, when agent output quality degrades, when switching between tasks, or when yo
17. api-and-interface-design ★ 93,777
    Guides stable API and interface design. Use when designing APIs, module boundaries, or any public interface. Use when creating REST or Graph
18. using-agent-skills ★ 93,777
    Discovers and invokes agent skills. Use when starting a session, or when you need to decide which skill or workflow applies to the piece of
19. idea-refine ★ 93,777
    Refines raw ideas into sharp, actionable concepts through structured divergent and convergent thinking. Use when an idea is still vague, whe
20. git-workflow-and-versioning ★ 93,777
    Structures git workflow practices. Use when making any code change. Use when committing, branching, resolving conflicts, splitting uncommitt
21. browser-testing-with-devtools ★ 93,777
    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
22. ci-cd-and-automation ★ 93,777
    Automates CI/CD pipeline setup. Use when setting up or modifying build and deployment pipelines. Use when you need to automate quality gates
23. source-driven-development ★ 93,777
    Grounds every implementation decision in official documentation. Use when you want to verify an approach against the official docs before im
24. shipping-and-launch ★ 93,777
    Prepares production launches. Use when preparing to deploy to production, or when asking what needs to be in place before shipping. Use when
25. deprecation-and-migration ★ 93,777
    Manages deprecation and migration. Use when removing old systems, APIs, or features. Use when migrating users from one implementation to ano
26. web-quality-audit ★ 2,783
    Run an evidence-led web quality audit covering performance, accessibility, SEO, best practices, and agentic browsing. Use when asked to "aud
27. core-web-vitals ★ 2,783
    Optimize Core Web Vitals (LCP, INP, CLS) for better page experience using field and lab evidence. Use when asked to "improve Core Web Vitals
28. interview-me ★ 93,777
    Extracts what the user actually wants instead of what they think they should want. Achieves this through one-question-at-a-time interview un
29. doubt-driven-development ★ 93,777
    Subjects every non-trivial decision to a fresh-context adversarial review before it stands. Use when correctness matters more than speed, wh
30. best-practices ★ 2,783
    Apply modern web development best practices for security, compatibility, and code quality. Use when asked to "apply best practices", "securi
31. observability-and-instrumentation ★ 93,777
    Instruments code so production behavior is visible and diagnosable. Use when adding logging, metrics, tracing, or alerting. Use when shippin
32. constraint-driven-development ★ 93,777
    addyosmani/agent-skills · skills.sh