nextjs-15

Guide Next.js 15 App Router features with code examples.

Updated Feb 18, 2026

Search Tags:#web development #react #server actions #nextjs #server components #app router

Ready to run

npx skills add https://github.com/vanhoangkha/cloud-security-audit --skill nextjs-15-vanhoangkha

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: nextjs-15
Source: https://github.com/vanhoangkha/cloud-security-audit/tree/main/multi-cloud/prowler/skills/nextjs-15
Command: npx skills add https://github.com/vanhoangkha/cloud-security-audit --skill nextjs-15-vanhoangkha

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps developers understand and implement the latest patterns and features of the Next.js 15 App Router, streamlining modern web application development.

Core Features & Use Cases

App Router Conventions: Understand file-based routing, layouts, pages, and special files like loading.tsx and error.tsx.
Server Components & Actions: Learn to leverage server-side rendering and execute server-side mutations securely.
Data Fetching & Streaming: Implement efficient data fetching strategies, including parallel fetching and streaming with Suspense.
API Routes: Define and manage API endpoints within the App Router.
Middleware: Implement request interception and modification logic.
Metadata: Handle static and dynamic SEO metadata.

Quick Start

Use the nextjs-15 skill to generate a basic example of a Server Action for creating a new user.

Frequently Asked Questions about nextjs-15

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I implement Server Actions in Next.js 15 App Router?▼

Server Actions in Next.js 15 App Router let you execute server-side mutations securely without creating separate API endpoints. You define them within Server Components to handle form submissions and data modifications directly.

What is the best way to fetch data in Next.js 15 Server Components?▼

Data fetching in Next.js 15 Server Components supports parallel requests and streaming with Suspense. This approach streamlines server-side rendering by efficiently retrieving data before rendering the UI.

How do App Router file conventions like loading.tsx and error.tsx work?▼

App Router file conventions like loading.tsx and error.tsx manage UI states during routing. They automatically render fallback content or error boundaries for specific route segments without requiring manual state management.

How do I handle static and dynamic SEO metadata in a Next.js application?▼

Handling static and dynamic SEO metadata in Next.js involves exporting a metadata object from your layouts and pages. This allows you to define title, description, and Open Graph tags dynamically based on route data.

Do I need to understand React fundamentals to use Next.js 15 Server Components?▼

Yes, using Next.js 15 Server Components requires a solid understanding of React fundamentals. The framework builds upon modern React server-side rendering patterns and data management techniques.

Can I intercept and modify requests using middleware in Next.js App Router?▼

Middleware in the Next.js App Router allows you to intercept incoming requests and modify responses. It executes before routing completes, enabling authentication checks and redirects.