Michael Boutin

Better Auth

better-auth.com

The Most Comprehensive Authentication Framework

Authenticationtypescriptopen-sourceenterprisedev-toolsaiReviewed
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Pros

  • +Plugin-based architecture with 50+ auth methods including passkeys, MFA, and SSO
  • +Works with Next.js, Nuxt, SvelteKit, Astro, Hono, and 20+ frameworks
  • +Enterprise-ready with SAML 2.0, SCIM, directory sync, and multi-tenancy built in
  • +Supports AI agent auth via MCP, token exchange, and agent delegation

Cons

  • −Self-hosted infrastructure requires additional setup for dashboard and audit logs
  • −Relatively new project; ecosystem maturity may lag behind established alternatives

About this tool

AI-generated

Better Auth is a comprehensive, plugin-based authentication framework for TypeScript applications. It supports credential auth, social sign-on, passkeys, SSO, SAML 2.0, multi-tenancy, and AI agent authentication out of the box. Designed to live inside the codebase, it integrates with 20+ frameworks and is backed by a community of 900+ contributors.

Rating★★★★★(5/5)