{"data":{"slug":"clerk","name":"Clerk","tagline":"Auth that actually ships with your UI","category":"nextjs","categoryName":"Next.js","url":"https://clerk.com","github":null,"pricing":"freemium","hook":"Clerk solves auth completely—not just the backend, but the actual forms.","whatsGood":"Integration with Next.js is exceptional: middleware handles route protection, hooks provide user state, and Server Components work seamlessly. Multi-factor authentication, social logins, and organization management are included.","theCatch":"Loud Catch: Clerk is a paid auth product with a free tier that evaporates as MAUs grow. You are outsourcing login UI and session logic; customization is the Clerk way or a fight. This is not the OSS auth library.","verdict":"Auth-as-a-feature ships faster than auth-as-a-library.","addedAt":"2026-08-18","featured":false,"domain":"Next.js","subSpecialty":"Auth","capabilities":["auth"],"surfaces":["Hosted"],"ecosystem":["Node.js","Browser"],"licenseModel":"Freemium","githubStars":null},"related":[{"slug":"vercel","name":"Vercel","tagline":"The platform that made Next.js deployment trivial"},{"slug":"prisma","name":"Prisma","tagline":"Type-safe database access with killer DX"},{"slug":"drizzle","name":"Drizzle ORM","tagline":"TypeScript ORM that feels like SQL"},{"slug":"trpc","name":"tRPC","tagline":"End-to-end typesafe APIs without codegen"},{"slug":"authjs","name":"Auth.js","tagline":"Authentication for the web, framework-agnostic"}],"links":{"self":"/api/gems/clerk","html":"/gems/clerk","markdown":"/gems/clerk.md","category":"/api/gems?category=nextjs","categoryPage":"/stacks/nextjs"}}