Next.js App Router Patterns skill: what it does and how to install it

What it does. Guides Next.js 14+ App Router architecture through rendering choices, file conventions and worked patterns for Server and Client Components. It covers static and dynamic rendering, streaming, parallel and intercepting routes, caching, loading and error states, and Server Actions.

When to use it. For new Next.js applications, Pages Router migrations, full-stack features, and performance-focused data fetching with the App Router.