clerk-tanstack-patterns

To protect routes in TanStack React Start, add `beforeLoad` checks to your route definitions using `auth()` from `@clerk/tanstack-react-start/server` to redirect unauthenticated users. This enforces server-side route guards without repetitive boilerplate.

Setting up Clerk middleware in a Vinxi start file requires adding `clerkMiddleware` to the start file. This integrates Clerk and enables the `auth()` function throughout the server-side environment for secure route protection.

Yes, you can secure server functions and API endpoints in TanStack React Start using Clerk. The Skill provides pre-defined `createServerFn` patterns for auth, organization data, and protected API handlers to enforce authentication.

Clerk authentication works with TanStack loaders by applying server-side `beforeLoad` checks. These guards evaluate the user's authentication state and automatically redirect unauthenticated users away from protected routes.

Yes, you need Clerk middleware to use `auth()` in TanStack React Start. Adding `clerkMiddleware` in the Vinxi start file is a required setup step to enable `auth()` throughout the server environment for route guards.