Nextjs Expert

Use when working with database schema, migrations, queries, or relations via Prisma 7 (Rust-free client, TypedSQL, Omit API).

Use when building Next.js 16 apps — Turbopack, App Router, Cache Components, proxy.ts, v15 migration. Not for stack scaffolding (nextjs-stack) or React SPA (react-expert).

Use when implementing Next.js authentication with Better Auth — OAuth, 2FA, magic links, SSO, Stripe billing, or session management.

Use when implementing i18n in Next.js 16 — next-intl or DIY dictionaries, locale routing, language switch, or formatters.

Use as the master reference for a full Next.js 16+ stack — Prisma 7, Better Auth, shadcn/ui, TanStack Form, Zustand. Not for core framework API details (use nextjs-16).

Use when applying SOLID principles to Next.js architecture — modular structure, file size limits, interface separation, JSDoc.

Use when building UI components in Next.js App Router with shadcn/ui — forms, dialogs, tables, toasts, accessible components.

Use when implementing global state, stores, persist, or hydration in Next.js 16 App Router Client Components with Zustand v5.

Use when building forms in Next.js 16 with TanStack Form v1 — Server Actions, Zod validation, multi-step wizards, field arrays.

Use when implementing client-side data fetching, server prefetching with hydration, or optimistic mutations in Next.js 16 with TanStack Query.

Use when deciding Server vs Client Component boundaries in Next.js 16, fetching data directly in components, or streaming with Suspense.