authjs-knowledge-patch
Auth.js Knowledge Patch
Claude Opus 4.6 knows Auth.js (NextAuth.js) through v4 and early v5 betas. This skill covers v5 changes that postdate training.
Index
| Topic | Reference | Key features |
|---|---|---|
| v5 migration | references/v5-migration.md | Next.js 16 proxy.ts, idToken: false behavioral change |
| WebAuthn / Passkeys | references/webauthn-passkeys.md | Passkey provider, SimpleWebAuthn setup, Authenticator table, custom signin |
Quick Reference
Next.js 16: proxy.ts replaces middleware.ts
Next.js 16 renames middleware.ts to proxy.ts. Auth.js setup changes accordingly:
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