Clerk Auth for NestJS

Complete authentication and authorization system for NestJS using Clerk as the identity provider, with Passport JWT strategies, composable guards, and fine-grained permission control.

When to Apply

Use this skill when:

• Setting up Clerk authentication in a NestJS backend
• Adding JWT strategy with JWKS validation
• Building role-based or permission-based access control
• Creating auth decorators for controllers
• Implementing sync-on-demand user provisioning
• Adding internal API key authentication for service-to-service calls

Architecture Overview