better-auth Skill Overview better-auth is a comprehensive, framework-agnostic authentication and authorization library for TypeScript. It provides a complete auth solution with first-class support for Cloudflare D1, making it an excellent self-hosted alternative to Clerk or Auth.js. Use this skill when : - Building authentication for Cloudflare Workers + D1 applications - Need a self-hosted, vendor-independent auth solution - Migrating from Clerk (avoid vendor lock-in) - Upgrading from Auth.js (need more features) - Implementing multi-tenant SaaS with organizations/teams - Require advanced fe…