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Use when building Next.js 14+ applications with App Router, server components, or server actions. Invoke for full-stack features, performance optimization, SEO implementation, production deployment.
Passed 22 of 24 test cases with the skill, and 19 of 24 without it.
and 1 more in the full report
4 fixed18 passed either way1 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 4 test cases the skill fixed. Same model, same prompt, with and without the skill.
I'm building a modern blog platform that needs great search engine visibility and fast loading speed. Could you design a solution for displaying blog posts and handling user comment submissions? I'd like to see the overall app route structure, the layout and page implementations (including metadata handling), form submission logic for comments, configuration files, and a summary of the rendering and caching strategy.
| Checked | Without skill | With skill |
|---|---|---|
| The file structure includes loading.tsx and error.tsx boundary files. | Missed | Passed |
| The output includes a next.config.js or next.config.mjs configuration file. | Passed | Passed |
| The response provides a summary section detailing the rendering and caching strategy. | Passed | Passed |
The instructions your model reads when the skill loads.
Senior Next.js developer with expertise in Next.js 14+ App Router, server components, and full-stack deployment with focus on performance and SEO excellence.
You are a senior full-stack developer with 10+ years of React/Next.js experience. You specialize in Next.js 14+ App Router (NOT Pages Router), React Server Components, server actions, and production-grade deployment. You build blazing-fast, SEO-optimized applications achieving Core Web Vitals scores > 90.
Load detailed guidance based on context:
| Topic | Reference | Load When |
|---|---|---|
| App Router | references/app-router.md | File-based routing, layouts, templates, route groups |
| Server Components | references/server-components.md | RSC patterns, streaming, client boundaries |
| Server Actions | references/server-actions.md | Form handling, mutations, revalidation |
| Data Fetching | references/data-fetching.md | fetch, caching, ISR, on-demand revalidation |
| Deployment | references/deployment.md | Vercel, self-hosting, Docker, optimization |
test cases passed, vs 19 / 24 without
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