Claude Agent SDK v0.2.101 best practices and complete API reference. Use when: building AI agents with @anthropic-ai/claude-agent-sdk, designing multi-agent systems, configuring MCP servers, implementing hooks/permissions, using structured outputs, managing sessions, or troubleshooting SDK errors. Covers query() API, V2 session API, 22 hook events, sandbox, worktree isolation, and current public configuration options.
Build Next.js 16 apps with App Router, Server Components/Actions, Cache Components ("use cache"), and async route params. Includes proxy.ts and React 19.2. Prevents 25 documented errors. Use when: building Next.js 16 projects, or troubleshooting async params (Promise types), "use cache" directives, parallel route 404s, Turbopack issues, i18n caching, navigation throttling.
Complete shadcn/ui component library guide including installation, configuration, and implementation of accessible React components. Use when setting up shadcn/ui, installing components, building forms with React Hook Form and Zod, customizing themes with Tailwind CSS, or implementing UI patterns like buttons, dialogs, dropdowns, tables, and complex form layouts.