Implement Next.js authentication

auth-patternsskillsetup L23,035
davepoon/buildwithclaude
What it does

Implement authentication and session management

Best for

Authentication-first Next.js apps requiring OAuth or custom credential handling.

Inputs
  • · Provider config
  • · Callback functions
Outputs
  • · NextAuth.js handlers
  • · Session objects
Requires
  • · NextAuth.js v5
  • · Jose
Preconditions
  • · Next.js App Router
  • · Environment variables
Failure modes
  • · Invalid credentials
  • · Session validation fails
Trust signals
  • · Official v5 patterns
  • · GitHub + Credentials providers
  • · TypeScript session types