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sherajdev
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BetterAuth

Integrate Supabase-backed email/password and OAuth authentication into Next.js apps.

Updated Jan 3, 2026
Search Tags:#security#authentication#oauth#supabase#next.js#session management
One-click install
npx skills add https://github.com/sherajdev/chattwelve --skill betterauth
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: BetterAuth
Source: https://github.com/sherajdev/chattwelve/tree/main/.claude/skills/betterauth
Command: npx skills add https://github.com/sherajdev/chattwelve --skill betterauth

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires better-auth, pg, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill simplifies and secures user authentication in Next.js applications by providing a robust, framework-agnostic solution with Supabase integration.

Core Features & Use Cases

  • Email/Password Authentication: Secure sign-up, sign-in, and password reset flows.
  • OAuth Integration: Supports Google and GitHub for social logins.
  • Session Management: Handles session creation, expiration, and refreshing with intelligent caching.
  • Route Protection: Middleware to protect specific routes and redirect unauthenticated users.
  • Use Case: Implement a secure login system for your SaaS application, allowing users to sign up with email and password or quickly log in using their Google account, ensuring only authenticated users can access sensitive features.

Quick Start

Integrate the BetterAuth skill into your Next.js application by following the server and client setup instructions.

Frequently Asked Questions about BetterAuth

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

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

You can implement secure authentication in Next.js using this framework-agnostic library, which provides email/password flows, OAuth social logins, and session management integrated with Supabase PostgreSQL.

Can I set up Google and GitHub OAuth social login for my Next.js SaaS app?▼

Yes, you can set up Google and GitHub OAuth social login. The library supports OAuth integration alongside traditional email and password authentication for Next.js applications.

Does this authentication library work with Supabase PostgreSQL for storing user data?▼

Yes, the authentication library integrates directly with Supabase PostgreSQL to store and manage user data, handling session creation and intelligent caching for your application.

How do I protect specific routes in Next.js and redirect unauthenticated users?▼

You can protect specific Next.js routes by configuring middleware that checks session validity and automatically redirects unauthenticated users away from sensitive application features.

What is the best way to manage session creation and expiration in Next.js?▼

The best way to manage session creation and expiration in Next.js is using a framework-agnostic authentication library that handles session refreshing and provides intelligent caching out of the box.

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