conventional-commits
Generate and validate commit messages following the Conventional Commits specification. Use when creating git commits, writing commit messages, reviewing commit history, generating changelogs, or when the user mentions commits, commit messages, semantic versioning, or changelog generation.
gsap
Install and use GSAP (GreenSock Animation Platform) for high-performance JavaScript animations. Covers core utilities (Tween, Timeline), React integration (@gsap/react/useGSAP), Eases, and popular plugins like ScrollTrigger, ScrollSmoother, and Flip. Use when creating complex animations, scroll-based effects, UI transitions, or SVG animations, or when the user mentions GSAP, GreenSock, or ScrollTrigger.
pagespeed-insights
Audit web pages for performance optimization following PageSpeed Insights guidelines. Use when analyzing page performance, optimizing web applications, reviewing performance metrics, implementing Core Web Vitals improvements, or when the user mentions page speed, performance optimization, Lighthouse scores, or Core Web Vitals.
shadcn-ui
Install and use shadcn/ui with Tailwind v4 and Next.js (App Router), Vite, or manual setup; configure components.json, add components via CLI, theming with CSS only. Use when adding shadcn/ui, installing shadcn, using Button, Card, Dialog, Form, or other shadcn components, or when the user mentions shadcn, shadcn/ui, or Radix UI with Tailwind.
storybook
Install and use Storybook for developing UI components in isolation. Covers CSF (Component Story Format), colocated stories in system/ directory, installation for Next.js/Vite/React, writing stories with args, decorators, play functions, and testing. Use when building component libraries, design systems, documenting UI components, testing components in isolation, or when the user mentions Storybook, stories, component development, or UI workshop.
tailwind-css
Set up and use Tailwind CSS v4 only with Next.js (App Router), Vite, or CLI; no tailwind.config.js—theme via @theme in CSS. Use when styling with Tailwind, configuring Tailwind, installing Tailwind, utility classes, @theme, @layer, @utility, or when the user mentions Tailwind CSS or Tailwind v4.
typescript
Use TypeScript for type-safe JavaScript: types, interfaces, generics, narrowing, tsconfig, modules, and strict mode. Use when writing or reviewing TypeScript, configuring tsconfig.json, defining types or interfaces, generics, type inference, or when the user mentions TypeScript, TS, or type checking.
zod
Define and use Zod schemas for TypeScript-first validation: primitives, objects, arrays, unions, refinements, transform, z.infer, parse, safeParse. Use when validating input, parsing API data, form validation with react-hook-form, or when the user mentions Zod, schema validation, or z.infer.