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better-auth

Implement JWT-based authentication with OAuth providers for Next.js apps.

Updated Jan 3, 2026
Search Tags:#authentication#Next.js#OAuth#session-management#JWT#providers
One-click install
npx skills add https://github.com/nimranaz148/spec-driven-ToDo-App-2 --skill better-auth-nimranaz148
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: better-auth
Source: https://github.com/nimranaz148/spec-driven-ToDo-App-2/tree/main/.claude/skills/better-auth
Command: npx skills add https://github.com/nimranaz148/spec-driven-ToDo-App-2 --skill better-auth-nimranaz148

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Better Auth provides modular authentication patterns for Next.js apps, enabling secure user sign-in, session management, and access control with JWTs and OAuth providers.

Core Features & Use Cases

  • JWT-based sessions: Secure, scalable tokens for API calls.
  • OAuth providers: Easy integration with Google, GitHub, and more.
  • Protected routes & session management: Unified server-side and client-side handling for authenticated UX.
  • Use Case: Build a Todo frontend with secure sign-in and protected task APIs.

Quick Start

Install and configure the Better Auth library in your Next.js project, define an auth instance, configure providers and tokens, and protect routes to see authenticated content.

Frequently Asked Questions about better-auth

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

FAQPage Schema
How do I implement secure authentication in a Next.js application?▼

You can implement secure Next.js authentication by configuring the Better Auth library, defining an auth instance, setting up environment variables, and applying protected route patterns for both server and client sides.

How does JWT session management work with Next.js server and client components?▼

JWT session management uses scalable tokens for API calls, unified across server-side and client-side handling. Secure cookies store these tokens to maintain authenticated user experiences across modern web applications.

Can I configure OAuth providers like Google and GitHub for Next.js sign-in?▼

Yes, you can configure OAuth providers such as Google and GitHub for Next.js sign-in. The framework supports easy integration with these providers to enable secure user authentication flows.

What is the best way to protect API routes and frontend content in Next.js?▼

The best way to protect API routes and frontend content is by applying protected route patterns using JWT-based sessions. This ensures only authenticated users can access secure task APIs and protected content.

Do I need environment variables to set up OAuth providers and token handling?▼

Yes, environment variables are required for setting up OAuth providers and token handling. Configuring these variables is a necessary step to securely manage provider credentials and token secrets in your Next.js app.

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