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Found 221 Skills
Manage server state in React with TanStack Query v5. Covers useMutationState, simplified optimistic updates, throwOnError, network mode (offline/PWA), and infiniteQueryOptions. Use when setting up data fetching, fixing v4→v5 migration errors (object syntax, gcTime, isPending, keepPreviousData), or debugging SSR/hydration issues with streaming server components.
Build type-safe global state in React with Zustand. Supports TypeScript, persist middleware, devtools, slices pattern, and Next.js SSR with hydration handling. Prevents 6 documented errors. Use when setting up React state, migrating from Redux/Context, or troubleshooting hydration errors, TypeScript inference, infinite render loops, or persist race conditions.
Nuxt full-stack Vue framework with SSR, auto-imports, and file-based routing. Use when working with Nuxt apps, server routes, useFetch, middleware, or hybrid rendering.
Vue 3 debugging and error handling for runtime errors, warnings, async failures, and SSR/hydration issues. Use when diagnosing or fixing Vue issues.
TanStack Start best practices for full-stack React applications. Server functions, middleware, SSR, authentication, and deployment patterns. Activate when building full-stack apps with TanStack Start.
Full-stack React framework powered by TanStack Router with SSR, streaming, server functions, and deployment to any hosting provider.
Build checkout and payment experiences using Primer's web components. Use this skill when implementing payment flows, checkout pages, card forms, or integrating Primer SDK into React, Next.js, or vanilla JavaScript applications. Covers component usage, React integration patterns, stable object references, event handling, SSR support, and CSS theming.
Zustand v5 state management for React. Covers TypeScript stores with double-parentheses syntax, persist middleware with hydration handling, devtools, subscribeWithSelector, slices pattern for large apps, SSR/Next.js provider pattern, immer middleware, auto-generating selectors, testing, and vanilla stores. Use when setting up global state, configuring persist middleware, implementing slices pattern, migrating from Redux or Context, testing stores, or troubleshooting hydration and TypeScript issues.
Test web applications for HTTP Host header injection vulnerabilities to identify password reset poisoning, web cache poisoning, SSRF, and virtual host routing manipulation risks.
React Router v7 patterns with Clerk — rootAuthLoader, getAuth in loaders, clerkMiddleware, protected routes, SSR user data, org switching. Triggers on: react-router auth, rootAuthLoader, getAuth loader, react-router protected route, loader authentication, SSR auth react-router.
Astro patterns with Clerk — middleware, SSR pages, island components, API routes, static vs SSR rendering. Triggers on: astro clerk, clerk astro middleware, astro protected page, clerk island component, astro API route auth, clerk astro SSR.
Motion tokens, spring presets, performance rules, device adaptation, accessibility enforcement, and SSR safety for React / Next.js using motion/react. Foundation layer — all other motion skills depend on this.