Next.js 16+ caching architecture. Applies to any App Router project regardless of domain.
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Skill Claude CodeCodex
Use when setting up or using next-action-handler, next-safe-action, actionClient/authedActionClient, action metadata/actionName, validationErrors, outputSchema, handleServerError, better-auth errors, or pino logging.
Skill Claude Code
Use this skill whenever the user wants to design or implement caching in a Next.js 16+ App Router project — setting up the "use cache" directive, building a cache tag registry, wiring mutations to invalidation utilities, structuring Suspense boundaries for partial prerendering, handling personalized content near cache…