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Found 81 Skills
Guide for using Recent Data (topics, resources, pages). Use when working with recently accessed items, implementing recent lists, or accessing session store recent data. Triggers on recent data usage or implementation tasks.
Expert in building voice interfaces, speech recognition, and text-to-speech systems
Use when writing or modifying React components, planning React features, or working with .jsx/.tsx files - provides modern React patterns with TypeScript, hooks usage, component composition, and common pitfalls to avoid
React 19 patterns including Server Components, Actions, Suspense, hooks, and component composition
React useEffect best practices. Use when writing Effects, derived values, or data fetching. Teaches when NOT to use Effects and better alternatives like useMemo or key props.
TanStack Query v5 data fetching patterns including useSuspenseQuery, useQuery, mutations, cache management, and API service integration. Use when fetching data, managing server state, or working with TanStack Query hooks.
React useEffect anti-pattern detection and correction guide. Use this skill whenever writing, reviewing, or modifying any React component that contains useEffect, or when about to add a useEffect hook. Also trigger when you see patterns like "setState inside useEffect", "effect chains", "derived state in effect", or "notify parent in effect". Covers 12 specific scenarios where Effects are unnecessary or misused, with correct alternatives. Even if the useEffect looks reasonable at first glance, consult this skill to verify it's truly needed.
Grounding an assistant in your app with assistant-ui copilots (@assistant-ui/react). Use when steering assistant behavior with useAssistantInstructions, feeding lazy app-state context via useAssistantContext({ getContext }), exposing rendered components with makeAssistantVisible(Component, { clickable, editable }), building two-way interactable state with useAssistantInteractable and Interactables(), or registering instructions and tools imperatively through useAui().modelContext().register({ getModelContext }). Reach for this when the assistant should read the current page, click or edit UI, or read and update component state through auto-generated update_{name} tools. For LLM tools and tool-call UI use the tools skill; for runtime and thread state use the runtime skill.
React 19 patterns and breaking changes vs React 18. Trigger: When writing React 19 components/hooks in .tsx (ref as prop, new hooks, Actions, deprecations). If using Next.js App Router/Server Actions, also use nextjs-15.
Implement Recur checkout flows including embedded, modal, and redirect modes. Use when adding payment buttons, checkout forms, subscription purchase flows, or when user mentions "checkout", "結帳", "付款按鈕", "embedded checkout".
Use when setting up Bknd SDK in a frontend application. Covers Api class initialization, token storage, auth state handling, React integration with BkndBrowserApp and useApp hook, framework-specific setup (Vite, Next.js, standalone), and TypeScript type registration.
This skill should be used when the user asks to "create a state machine", "add xState", "use xState with React", "implement actor-based state", "manage complex state with state machines", "use xState with Effect", "integrate Effect-ts with xState", mentions xState hooks (useMachine, useActor, useSelector), or discusses finite state machines in React applications.