Individual skill

nextjs

Use when building, reviewing, testing, securing, or optimizing a Next.js App Router app: Server vs Client boundaries, `use server` actions, route handlers, the v15 vs v16 `use cache` caching model, metadata/SEO, auth, and Core Web Vitals. NOT framework-agnostic React or a Vite SPA (that is `react`), and NOT visual/UI design (that is `design`).

skills/nextjs/SKILL.md

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Last checked: Nov 10, 2026

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Repository stars (not skill ratings): 578
Repository last updated: Nov 9, 2026
License: MIT

Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.

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nextjs Declared skill tag
react Declared skill tag
frontend Declared skill tag
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Browse files

SKILL.mdcore · 20,703 bytes
evals/README.mddoc · 2,578 bytes
evals/cases.yamlasset · 5,828 bytes
references/data-and-caching.mddoc · 12,719 bytes
references/metadata.mddoc · 8,029 bytes
references/performance.mddoc · 11,167 bytes
references/react.mddoc · 12,412 bytes
references/security.mddoc · 8,533 bytes
references/testing.mddoc · 9,418 bytes
scripts/verify.shruns · 5,756 bytes

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# Next.js App Router — RSC, Server Actions, React 19, TypeScript

> Build, review, test, secure and optimize App Router apps, handling both the Next.js 15 (uncached-by-default) and Next.js 16 (`use cache`) caching models correctly.

> **SDD gate — read before writing code.** If this fired on a **new, non-trivial feature or
> behaviour change** and there is **no approved spec + plan** under `02-DOCS/wiki/sdd/`, STOP and
> hand off to `../specify/SKILL.md` (brainstorm → spec → plan → tasks); it routes back here once the
> plan is approved. Build directly only for a genuinely one-line / low-risk change. Method:
> `../asdd/SKILL.md`.

**Not this skill:** Pages Router (`pages/`) — note the difference, defer to the Next.js Pages docs.
A pure React SPA (Vite/CRA) → `../react/SKILL.md`; React Native / Expo → `../react-native/SKILL.md`;
a generic React question with no Next/RSC dimension → keep it brief, from `references/react.md`.
Non-Next backends → `../fastapi/SKILL.md`, `../go/SKILL.md`; the data layer behind the DAL →