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Ikram-Alam
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configuring-better-auth

Configure centralized OAuth 2.1/OIDC authentication with Better Auth for SSO across apps.

Updated Feb 5, 2026
Search Tags:#authentication#OAuth#SSO#OIDC#PKCE#JWKS
One-click install
npx skills add https://github.com/Ikram-Alam/The-Evolution-of-Todo-Mastering-Spec-Driven-Development-Cloud-Native-AI --skill configuring-better-auth-ikram-alam
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: configuring-better-auth
Source: https://github.com/Ikram-Alam/The-Evolution-of-Todo-Mastering-Spec-Driven-Development-Cloud-Native-AI/tree/main/.claude/skills/configuring-better-auth
Command: npx skills add https://github.com/Ikram-Alam/The-Evolution-of-Todo-Mastering-Spec-Driven-Development-Cloud-Native-AI --skill configuring-better-auth-ikram-alam

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill guides the implementation of a centralized authentication strategy using Better Auth, enabling Single Sign-On (SSO) across multiple apps and reducing credential sprawl.

Core Features & Use Cases

  • OAuth 2.1 / OIDC server setup with PKCE support for public clients.
  • SSO client integration in Next.js apps, including PKCE flows, JWKS verification, and token management.
  • Admin-protected client registration and seeding of trusted public clients for first-party apps.
  • Guidance on JWKS configuration, email verification options, and admin dashboards for user management.

Quick Start

Follow the staged setup to deploy the Better Auth server, connect an SSO client, and validate token exchange end-to-end using the MCP-guided workflow.

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 centralized OAuth 2.1 SSO across multiple Next.js apps?▼

Set up a Better Auth server for centralized OAuth 2.1 SSO across multiple Next.js apps. Integrate SSO clients using PKCE flows, JWKS verification, and secure httpOnly token storage to enable seamless authentication.

What is PKCE and why is it needed for public clients in OIDC authentication?▼

PKCE, or Proof Key for Code Exchange, is required for public clients in OIDC authentication to prevent authorization code interception. The configuration enforces a PKCE-based flow for all public clients during the OAuth 2.1 setup.

How do I verify tokens using JWKS endpoints with Better Auth?▼

Verify tokens using JWKS endpoints with Better Auth by configuring the authentication server to expose and fetch JSON Web Key Sets. This ensures secure token validation across connected SSO clients during token exchange.

Can I use Better Auth to manage admin-protected client registration and user seeding?▼

Yes, you can use Better Auth to manage admin-protected client registration and user seeding. The configuration supports seeding trusted public clients for first-party apps and includes an admin dashboard for user management.

Does this authentication setup support email verification and admin dashboards?▼

Yes, this authentication setup supports email verification options and admin dashboards. It provides comprehensive user management capabilities alongside the centralized SSO and OAuth 2.1 server configuration.

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