Addyosmani
Web performance engineering
Skills for performance, planning, quality, migrations, and frontend execution.
Featured skills
api-and-interface-design
Guides stable API and interface design.
constraint-driven-development
Establishes a project's quality bar as a written contract and stops agents quietly lowering it.
doubt-driven-development
Subjects every non-trivial decision to a fresh-context adversarial review before it stands.
browser-testing-with-devtools
Tests in real browsers via Chrome DevTools MCP.
ci-cd-and-automation
Automates CI/CD pipeline setup.
code-review-and-quality
Conducts multi-axis code review.
code-simplification
Simplifies code for clarity.
context-engineering
Optimizes agent context setup.
debugging-and-error-recovery
Guides systematic root-cause debugging.
deprecation-and-migration
Manages deprecation and migration.
documentation-and-adrs
Records decisions and documentation.
frontend-ui-engineering
Builds production-quality, accessible, responsive user-facing UIs.
Agricidaniel
SEO and advertising
Open-source tools for SEO, advertising, content, and marketing analysis.
Alex Newman
Persistent memory tools
Skills for project memory, planning, exploration, and agent execution.
Antfu
Vue ecosystem tooling
Open-source skills for Vue, Vite, Nuxt, and modern web development.