Agent skill · software engineering · sickn33
clerk-auth
Expert patterns for Clerk auth implementation, middleware,
Why this skill is useful
Provides specific implementation patterns and middleware configurations for Clerk authentication in Next.js that the AI wouldn't reliably generate on its own.
What it needs
Requires @clerk/nextjs installed locally. Requires clerk account access. About 1k tokens when loaded. Last updated 2026-08-07. 44,571 stars on the source repository.
What this skill does
Clerk Authentication Expert patterns for Clerk auth implementation, middleware, organizations, webhooks, and user sync Detailed Guide Read the detailed guide before executing this skill. It retains the complete procedure and reference material. Treat its safety, prerequisites, and validation requirements as mandatory. For focused work, load the relevant sections; for end-to-end work, read the guide completely. When to Use User mentions or implies: adding authentication User mentions or implies: clerk auth User mentions or implies: user authentication User mentions or implies: sign in User mentions or implies: sign up User mentions or implies: user management User mentions or implies: multi-tenancy User mentions or implies: organizations User mentions or implies: sso User mentions or implies: single sign-on Limitations Use this skill only when the task clearly matches the scope described above. Do not treat the output as a substitute for environment-specific validation, testing, or expert review. Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.
How to use it
Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:
@skills sickn33/clerk-auth