codex

Next.js Expert

Expert Next.js latest stable + React 19 with App Router, Server Components, Prisma latest stable, and Better Auth

2 on GitHubby Fusenginev1.1.43MITupdated todayFramework

Plugin nextjs-expert in Fusengine/codex-plugins. Commands read from the repo's manifest — today.

This plugin runs code on your machine — its hooks fire automatically on events like tool use. The exact commands are listed below; read them before installing.

What it installs

Skills (11)

  • better-auth

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

  • nextjs-16

    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).

  • nextjs-i18n

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

  • nextjs-server-components

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

  • nextjs-shadcn

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

  • nextjs-stack

    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).

  • nextjs-tanstack-form

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

  • nextjs-tanstack-query

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

  • nextjs-zustand

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

  • prisma-7

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

  • solid-nextjs

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

Hooks (3)

  • PreToolUse

    bun "${CODEX_HOME:-$HOME/.codex}/node_modules/@fusengine/harness/dist/cli/bin.mjs" hook codex core

  • PostToolUse

    bun "${CODEX_HOME:-$HOME/.codex}/node_modules/@fusengine/harness/dist/cli/bin.mjs" hook codex core

  • PostToolUse

    bun "${CODEX_HOME:-$HOME/.codex}/node_modules/@fusengine/harness/dist/cli/bin.mjs" hook codex core

View source on GitHub

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