clerk-nextjs-skills

Migrate Clerk authentication from middleware.ts to proxy.ts by creating a proxy.ts file in your root or src directory, moving your route protection logic there, and configuring the required environment variables for Next.js 16.

Yes, Clerk works with Next.js 16 proxy.ts and pnpm. This integration provides App Router compatibility, pnpm-based setup instructions, and startup validation to ensure your secure sign-in flows and protected routes deploy reliably.

Yes, you can integrate an MCP server with Clerk in Next.js by installing the required MCP packages, configuring MCP routes, and applying production-ready security patterns to protect your authenticated endpoints.

You must configure Clerk keys in your .env.local file for Next.js 16. The setup includes environment variable validation to ensure all required authentication keys are present before starting your development or production deployment.

Clerk authentication may fail in Next.js 16 if you still use middleware.ts instead of proxy.ts. You must migrate your route protection logic to proxy.ts, validate your environment variables, and ensure your pnpm dependencies are correctly installed.