Add Auth0 authentication to Next.js apps with session management, protected routes, and middleware.
Works with
Supports both App Router and Pages Router with automatic OAuth callback handling via /auth/login , /auth/logout , and /auth/callback endpoints
Provides server-side session access through auth0.getSession() for Server Components and API routes, plus client-side useUser() hook for client components
Requires middleware configuration ( middleware.ts for Next.js 15+, or proxy.ts for Next.js
AI-first code editor with Composer
Before installing skills in Cursor, ensure your development environment meets these requirements:
node --versionauth0-nextjsExecute the skills CLI command in your project's root directory to begin installation:
Fetches auth0-nextjs from auth0/agent-skills and configures it for Cursor.
The CLI shows a list of agents. Use arrow keys and space to select Cursor:
Confirm successful installation by checking the skill directory location:
Restart Cursor to activate auth0-nextjs. Access via /auth0-nextjs in your agent's command palette.
We perform automated surface-level scans (Gen AI Scanner, Socket, Snyk) during installation. These checks detect common vulnerabilities but do not guarantee complete security. Always review skill source code and verify the publisher's reputation before production use.
Skills execute code in your environment. Always review source, verify the publisher, and test in isolation before production.
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Automate repetitive workflows and reduce manual effort
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Generate reports, summarize documents, draft communications
Save 3-5 hours per week on routine tasks
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Explain concepts, provide examples, suggest learning resources
Accelerate learning and skill development by 2x
Enhance output quality through reviews, suggestions, and refinements
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Review drafts, suggest improvements, catch errors
Improve work quality by 30-40% with less effort
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Add authentication to Next.js applications using @auth0/nextjs-auth0. Supports both App Router and Pages Router.
auth0-quickstart skill firstauth0-react for Vite/CRA SPAsauth0-react-native for iOS/Androidnpm install @auth0/nextjs-auth0
For automated setup with Auth0 CLI, see Setup Guide for complete scripts.
For manual setup:
Create .env.local:
AUTH0_SECRET=<generate-a-32-character-secret>
APP_BASE_URL=http://localhost:3000
AUTH0_DOMAIN=your-tenant.auth0.com
AUTH0_CLIENT_ID=your-client-id
AUTH0_CLIENT_SECRET=your-client-secret
Generate secret: openssl rand -hex 32
Important: Add .env.local to .gitignore
Detect project structure first: Check whether the project uses a src/ directory (i.e. src/app/ or src/pages/ exists). This determines where to place files:
src/: src/lib/auth0.ts, src/middleware.ts (or src/proxy.ts for Next.js 16)src/: lib/auth0.ts, middleware.ts (or proxy.ts for Next.js 16)Create lib/auth0.ts (or src/lib/auth0.ts if using the src/ convention):
import { Auth0Client } from '@auth0/nextjs-auth0/server';
export const auth0 = new Auth0Client({
domain: process.env.AUTH0_DOMAIN!,
clientId: process.env.AUTH0_CLIENT_ID!,
clientSecret: process.env.AUTH0_CLIENT_SECRET!,
secret: process.env.AUTH0_SECRET!,
appBaseUrl: process.env.APP_BASE_URL!,
});
Middleware Configuration (Next.js 15 vs 16):
Next.js 15 - Create middleware.ts (at project root, or src/middleware.ts if using src/):
import { NextRequest } from 'next/server';
import { auth0 } from '@/lib/auth0';
export async function middleware(request: NextRequest) {
return await auth0.middleware(request);
}
export const config = {
matcher: [
'/((?!_next/static|_next/image|favicon.ico|sitemap.xml|robots.txt).*)',
],
};
Next.js 16 - You have two options:
Option 1: Use middleware.ts (same as Next.js 15, same src/ placement rules):
import { NextRequest } from 'next/server';
import { auth0 } from '@/lib/auth0';
export async function middleware(request: NextRequest) {
return await auth0.middleware(request);
}
export const config = {
matcher: [
'/((?!_next/static|_next/image|favicon.ico|sitemap.xml|robots.txt).*)',
],
};
Option 2: Use proxy.ts (at project root, or src/proxy.ts if using src/):
import { NextRequest } from 'next/server';
import { auth0 } from '@/lib/auth0';
export async function proxy(request: NextRequest) {
return await auth0.middleware(request);
}
export const config = {
matcher: [
'/((?!_next/static|_next/image|favicon.ico|sitemap.xml|robots.txt).*)',
],
};
This automatically creates endpoints:
/auth/login - Login/auth/logout - Logout/auth/callback - OAuth callback/auth/profile - User profileNote: In v4, wrapping with <Auth0Provider> is optional. Only needed if you want to pass an initial user during server rendering to useUser().
App Router - Optionally wrap app in app/layout.tsx:
import { Auth0Provider } from '@auth0/nextjs-auth0/client';
import { auth0 } from '@/lib/auth0';
export default async function RootLayout({ children }: { children: React.ReactNode }) {
const session = await auth0.getSession();
return (
<html>
<body>
<Auth0Provider user={session?.user}>{children}</Auth0Provider>
</body>
</html>
);
}
Pages Router - Optionally wrap app in pages/_app.tsx:
import { Auth0Provider } from '@auth0/nextjs-auth0/client';
import type { AppProps } from 'next/app';
export default function App({ Component, pageProps }: AppProps) {
return (
<Auth0Provider user={pageProps.user}>
<Component {...pageProps} />
</Auth0Provider>
);
}
Client Component (works in both routers):
'use client'; // Only needed for App Router
import { useUser } from '@auth0/nextjs-auth0/client';
export default function Profile() {
const { user, isLoading } = useUser();
if (isLoading) return <div>Loading...</div>;
if (user) {
return (
<div>
<img src={user.picture} alt={user.name} />
<h2>Welcome, {user.name}!</h2>
<a href="/auth/logout">Logout</a>
</div>
);
}
return <a href="/auth/login">Login</a>;
}
Start your dev server:
Implementation Guide
Prerequisites
- ›Claude Desktop or compatible AI client with skill support
- ›Clear understanding of task or problem to solve
- ›Willingness to iterate and refine outputs
Time Estimate
15-45 minutes depending on use case complexity
Steps
- 1Install skill using provided installation command
- 2Test with simple use case relevant to your work
- 3Evaluate output quality and relevance
- 4Iterate on prompts to improve results
- 5Integrate into regular workflow if valuable
Common Pitfalls
- ⚠Expecting perfect results without iteration
- ⚠Not providing enough context in prompts
- ⚠Using skill for tasks outside its intended scope
- ⚠Accepting outputs without review and validation
Best Practices
✓ Do
- +Start with clear, specific prompts
- +Provide relevant context and constraints
- +Review and refine all outputs before using
- +Iterate to improve output quality
- +Document successful prompt patterns
✗ Don't
- −Don't use without understanding skill limitations
- −Don't skip validation of outputs
- −Don't share sensitive information in prompts
- −Don't expect skill to replace human judgment
💡 Pro Tips
- ★Be specific about desired format and style
- ★Ask for multiple options to choose from
- ★Request explanations to understand reasoning
- ★Combine AI efficiency with human expertise
When to Use This
✓ Use when
Use when skill capabilities match your task, clear ROI on time saved, and you can validate outputs. Best for repetitive tasks, learning, and quality improvement.
✗ Avoid when
Avoid when task requires deep expertise you can't validate, involves sensitive decisions, or when learning process is more valuable than speed of completion.
Learning Path
- 1Familiarize yourself with skill capabilities and limitations
- 2Start with low-risk, non-critical tasks
- 3Progress to more complex and valuable use cases
- 4Build expertise through regular use and experimentation
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Frontendsame categoryReviews
4.6★★★★★61 reviews- PPratham Ware★★★★★Dec 24, 2024
We added auth0-nextjs from the explainx registry; install was straightforward and the SKILL.md answered most questions upfront.
- EEmma Khan★★★★★Dec 24, 2024
auth0-nextjs has been reliable in day-to-day use. Documentation quality is above average for community skills.
- EEmma Sethi★★★★★Dec 20, 2024
Useful defaults in auth0-nextjs — fewer surprises than typical one-off scripts, and it plays nicely with `npx skills` flows.
- AArya Garcia★★★★★Dec 16, 2024
Keeps context tight: auth0-nextjs is the kind of skill you can hand to a new teammate without a long onboarding doc.
- CCarlos Haddad★★★★★Dec 12, 2024
auth0-nextjs fits our agent workflows well — practical, well scoped, and easy to wire into existing repos.
- CCarlos Singh★★★★★Dec 8, 2024
auth0-nextjs reduced setup friction for our internal harness; good balance of opinion and flexibility.
- ZZaid Perez★★★★★Dec 4, 2024
I recommend auth0-nextjs for anyone iterating fast on agent tooling; clear intent and a small, reviewable surface area.
- EEmma Reddy★★★★★Nov 27, 2024
We added auth0-nextjs from the explainx registry; install was straightforward and the SKILL.md answered most questions upfront.
- LLi Perez★★★★★Nov 23, 2024
Useful defaults in auth0-nextjs — fewer surprises than typical one-off scripts, and it plays nicely with `npx skills` flows.
- SSakshi Patil★★★★★Nov 15, 2024
auth0-nextjs reduced setup friction for our internal harness; good balance of opinion and flexibility.
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