Does it support enterprise features like SSO?

Yes, Better Auth supports Enterprise SSO via SAML 2.0 and OIDC through specialized plugins available in the v1.3+ and v1.4+ releases.

Can I build an OAuth provider for MCP servers with this?

Yes, the OAuth 2.1 Provider plugin allows you to build your own provider to handle authorization for MCP servers or other third-party integrations.

What is the requirement for TanStack Start integration?

TanStack Start requires the reactStartCookies plugin to be the final entry in your plugins array to ensure proper cookie handling.

Does Better Auth support Cloudflare D1 directly?

Better Auth does not have a direct D1 adapter. You must use Drizzle ORM or Kysely as an intermediary to interface with Cloudflare D1.

Is Better Auth compatible with CommonJS?

As of version 1.4.0, Better Auth is an ESM-only package and no longer supports CommonJS.

Better Auth

Name: Better Auth
Author: jezweb

byjezweb

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117

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安全与测试

Streamlines the implementation of secure, self-hosted authentication systems for TypeScript and Cloudflare Workers environments.

Better Auth for Claude Code provides specialized guidance and implementation patterns for deploying comprehensive authentication solutions. It serves as a powerful self-hosted alternative to Clerk or Auth.js, specifically optimized for the Cloudflare ecosystem including D1, Workers, and Pages. The skill helps developers navigate complex configurations such as Drizzle/Kysely adapters, OAuth 2.1 provider setup, and framework-specific integrations like TanStack Start, ensuring secure session management and modern auth features like passkeys and 2FA are implemented correctly according to the latest v1.4+ standards.

主要功能

01Framework-specific optimization for TanStack Start and Expo

02117 GitHub stars

03Multi-tenant SaaS support with Organizations and RBAC plugins

04Modern security features including Passkeys, 2FA, and JWT key rotation

05Full support for Cloudflare D1 via Drizzle ORM and Kysely adapters

06Extensive plugin ecosystem including OAuth 2.1, SSO (SAML 2.0), and Stripe

使用场景

01Creating a custom OAuth 2.1 provider for MCP servers or third-party apps

02Migrating from managed auth services to a self-hosted TypeScript solution

03Building a multi-tenant SaaS platform on Cloudflare Workers and D1

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add jezweb/claude-skills better-auth

For use in Claude.ai and ChatGPT

Download Skill