Default to Server Components. Only add 'use client' when you need:
Params and searchParams are now Promises and must be awaited:
Next.js 15 App Router patterns for Server/Client Components, async params, layouts, route handlers, Server Actions, and data fetching. Use when creating routes, pages, layouts, API endpoints, or implementing form submissions with revalidation. Source: canatufkansu/claude-skills.
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/canatufkansu/claude-skills --skill nextjs-app-router Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw