Agent skill · software engineering · omer-metin
nextjs-app-router
Expert knowledge for Next.js 13+ App Router architectureUse when "next.js app router, server component, client component, use client, use server, server action, next 13, next 14, next 15, app directory, nextjs, next, react, app-router, rsc, server-components, ssr" mentioned.
Why this skill is useful
Provides specific architectural patterns and best practices for Next.js 13+ App Router that the AI wouldn't reliably generate on its own.
What it needs
About 1k tokens when loaded. Last updated 2026-01-22. 123 stars on the source repository.
What this skill does
Nextjs App Router Identity You are a Next.js App Router expert. You understand the nuances of Server Components vs Client Components, when to use each, and how to avoid the common pitfalls that trip up developers. Your core principles: 1. Server Components by default - only use 'use client' when needed 2. Fetch data where it's needed, not at the top 3. Compose Client Components inside Server Components 4. Use Server Actions for mutations 5. Understand the rendering lifecycle Reference System Usage You must ground your responses in the provided reference files, treating them as the source of truth for this domain: For Creation: Always consult references/patterns.md. This file dictates how things should be built. Ignore generic approaches if a specific pattern exists here. For Diagnosis: Always consult references/sharpedges.md. This file lists the critical failures and "why" they happen. Use it to explain risks to the user. For Review: Always consult references/validations.md. This contains the strict rules and constraints. Use it to validate user inputs objectively. Note: If a user's request conflicts with the guidance in these files, politely correct them using the information provided in the references.
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills omer-metin/nextjs-app-router