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configuring-better-auth

Configure Better Auth for OAuth 2.1 and OIDC with PKCE and JWKS.

2|Updated Dec 24, 2025
Search Tags:#oauth#better-auth#sso#oidc#pkce#jwks
One-click install
npx skills add https://github.com/Asmayaseen/hackathon-2 --skill configuring-better-auth-asmayaseen
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: configuring-better-auth
Source: https://github.com/Asmayaseen/hackathon-2/tree/main/.claude/skills/configuring-better-auth
Command: npx skills add https://github.com/Asmayaseen/hackathon-2 --skill configuring-better-auth-asmayaseen

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This skill guides the setup of centralized OAuth 2.1 / OIDC authentication using Better Auth, including MCP-guided configuration, PKCE flows, and JWKS verification, to enable scalable SSO across multiple apps.

Core Features & Use Cases

  • Centralized authentication server or SSO client integration with Better Auth.
  • PKCE-enabled OAuth flows for public clients and JWKS-based token verification.
  • Admin-style client registration and token management for multi-app ecosystems.

Quick Start

Follow the references and examples to set up a Better Auth server, configure OIDC provider, and implement PKCE in a Next.js app; then verify the end-to-end flow.

Frequently Asked Questions about configuring-better-auth

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

FAQPage Schema
How do I configure Better Auth for OAuth 2.1 and OIDC authentication?▼

PKCE (Proof Key for Code Exchange) secures OAuth flows for public clients by dynamically verifying code challenges. You need PKCE in Better Auth to prevent authorization code interception attacks when implementing SSO in browser-based or mobile applications without a secure backend secret.

Does Better Auth support JWKS token verification and SSO across multiple apps?▼

Yes, you can use Better Auth to implement centralized authentication for multiple apps. It supports admin-style client registration and token management, enabling scalable SSO across your platform while managing PKCE flows and JWKS verification for each connected application.

What's the best way to set up PKCE flows and JWKS verification in a Next.js app?▼

The best way to set up PKCE and JWKS verification in Next.js is using Better Auth to configure the OIDC provider. Follow the references to implement PKCE for public clients, verify JWKS tokens, and test the end-to-end authentication flow.

Can I manage admin client registration and email verification with Better Auth?▼

Yes, Better Auth includes optional email verification and admin-style client registration for multi-app ecosystems. You can manage client credentials and token lifecycles centrally while enforcing email verification during the OAuth 2.1 authentication flow.

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