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Adithiya-S
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next-cache-components

Implements Next.js 16 Cache Components with use cache, cacheLife, and cacheTag directives.

Updated Aug 21, 2025
Search Tags:#caching#next.js#server components#use cache#partial prerendering#cachelife#cachetag
One-click install
npx skills add https://github.com/Adithiya-S/AI-Study-Companion --skill next-cache-components-adithiya-s
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: next-cache-components
Source: https://github.com/Adithiya-S/AI-Study-Companion/tree/main/.agents/skills/next-cache-components/upstream
Command: npx skills add https://github.com/Adithiya-S/AI-Study-Companion --skill next-cache-components-adithiya-s

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Next.js 16 replaces legacy caching APIs like unstable_cache and route segment config with Cache Components, and developers need clear guidance on enabling Partial Prerendering, applying the use cache directive, and handling cache invalidation correctly. ## Core Features & Use Cases - Partial Prerendering Setup: Enable cacheComponents in next.config.ts and mix static, cached, and dynamic content in a single route using Suspense boundaries. - Cache Lifetime Control: Configure cacheLife with built-in profiles (minutes, hours, days) or inline stale/revalidate/expire values, and tag entries with cacheTag for targeted invalidation via updateTag or revalidateTag. - Migration Guidance: Convert legacy patterns like experimental.ppr, force-static, revalidate exports, and unstable_cache calls into the use cache directive model. - Use Case: When building a dashboard that mixes a static shell, hourly-refreshed stats, and per-user notifications, apply use cache with cacheLife('hours') to the stats component and wrap the dynamic notifications in Suspense. ## Quick Start Ask the AI to refactor a Next.js page to use Cache Components with the use cache directive, cacheLife, and cacheTag for cached data and Suspense for dynamic content.

Frequently Asked Questions about next-cache-components

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I enable Partial Prerendering in Next.js 16?▼

Set cacheComponents: true in next.config.ts to enable Cache Components and Partial Prerendering. This replaces the old experimental.ppr flag and lets you mix static, cached, and dynamic content in one route.

How do I migrate from unstable_cache to use cache?▼

Replace unstable_cache with an async function containing the 'use cache' directive. Move options.tags into cacheTag() calls and options.revalidate into cacheLife({ revalidate: N }); manual keyParts arrays are no longer needed because keys derive from arguments and closures.

Why can't I use cookies() inside use cache?▼

Runtime APIs like cookies(), headers(), and searchParams are not allowed inside use cache because cached output must be request-independent. Extract the value outside and pass it as an argument, or use 'use cache: private' for compliance cases.

What is the difference between updateTag and revalidateTag?▼

updateTag invalidates a cache tag immediately so the same request sees fresh data, while revalidateTag triggers background revalidation with stale-while-revalidate behavior. Use updateTag after mutations needing instant consistency.

Does Cache Components work with Edge runtime or static export?▼

No, Cache Components requires the Node.js runtime and does not support Edge runtime or static export. Non-deterministic values like Math.random() inside use cache also execute once at build time.

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