nextjs

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Actualizado11 de abril de 2026 a las 08:25

Next.js App Router expert guidance. Use when building, debugging, or architecting Next.js applications — routing, Server Components, Server Actions, Cache Components, layouts, middleware/proxy, data fetching, rendering strategies, and deployment on Vercel.

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leonvanzyl

leonvanzyl/agentic-coding-starter-kit

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Ocupaciones relacionadasSOC

Basado en la clasificación ocupacional SOC

Desarrolladores webOcupaciones informáticas y matemáticas·SOC 15-1254

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create-spec

leonvanzyl/agentic-coding-starter-kit

Create a structured feature specification with self-contained task files organized into parallel execution waves. Use this skill when the user says "create a spec", "plan this feature", "write up an implementation plan", "break this into tasks", or after any planning conversation where the user wants to capture decisions as actionable spec files. Also use when the user says "/create-spec" or wants to decompose a feature into work items that agents can implement independently. This skill produces local spec files under specs/{feature}/ — no GitHub integration.

2026-05-27416

create-agentic-app

leonvanzyl/agentic-coding-starter-kit

Scaffold and fully configure a new Agentic Coding Starter Kit project — a Next.js 16 + TypeScript + Better Auth + Drizzle + PostgreSQL + AI SDK boilerplate. Use this skill whenever the user asks to set up, scaffold, create, initialize, or bootstrap an "agentic coding starter kit", "agentic app", "agentic boilerplate", a "Next.js app with auth and db", or mentions `create-agentic-app` / `npx create-agentic-app`. Walks the user through folder strategy, package-manager choice, Postgres setup (Docker / Neon / Vercel / BYO), OpenRouter AI configuration, migrations, a build check, and dev-server verification — ending with a working http://localhost:3000.

2026-05-21416

checkpoint

leonvanzyl/agentic-coding-starter-kit

Create a comprehensive checkpoint commit with detailed analysis of all changes. Use this skill when the user says "checkpoint", "commit everything", "save my progress", "create a commit", or wants to stage and commit all current changes with a well-crafted message. Also use when the user says "/checkpoint" or asks to snapshot current work. This skill stages all changes and creates a descriptive commit — it does not push.

2026-04-30416

ship-it

leonvanzyl/agentic-coding-starter-kit

Push the current branch to GitHub and create a pull request. Use this skill when the user says "ship it", "ship this", "push to github", "create a pr", "open a pull request", "send for review", "get this reviewed", or wants to push their work and open a PR. Also use when the user says "/ship-it". This skill handles prerequisites, branching, pushing, and PR creation — it does not commit or run quality checks (use checkpoint for that first).

2026-04-30416

security-scanner

leonvanzyl/agentic-coding-starter-kit

Performs comprehensive OWASP Top 10:2025 security vulnerability analysis on any codebase. Use this skill whenever the user asks to: review code for security, perform a security audit, scan for vulnerabilities, find security issues, improve application security, check for OWASP compliance, do a penetration test review, assess security posture, look for security flaws, scan for security risks, harden an application, or check code for exploits. Also trigger when the user mentions OWASP, CVEs, CWEs, security hardening, vulnerability assessment, or asks for a security report — even if they don't explicitly say "security scan." This skill works on any codebase in any language (JavaScript, TypeScript, Python, Java, Go, Ruby, C#, PHP, etc.).

2026-04-17416

implement-feature

leonvanzyl/agentic-coding-starter-kit

Orchestrate parallel implementation of a feature specification by dispatching coder agents wave-by-wave with code review gates between waves. Use this skill when the user says "implement this feature", "start implementing", "run the spec", "execute the plan", "continue implementing", or wants to begin coding a previously planned feature from a specs/{feature}/ folder. Also use when the user says "/implement-feature" or drags a spec folder into the conversation and asks to implement it. This skill does NOT write code itself — it orchestrates coder subagents that work in parallel.

2026-04-12416

name	nextjs
description	Next.js App Router expert guidance. Use when building, debugging, or architecting Next.js applications — routing, Server Components, Server Actions, Cache Components, layouts, middleware/proxy, data fetching, rendering strategies, and deployment on Vercel.
metadata	{"priority":5,"docs":["https://nextjs.org/docs","https://nextjs.org/docs/app"],"sitemap":"https://nextjs.org/sitemap.xml","pathPatterns":["next.config.","next-env.d.ts","app/","pages/","src/app/","src/pages/","tailwind.config.","postcss.config.","tsconfig.json","tsconfig..json","apps//app/","apps//pages/*","apps//src/app/*","apps//src/pages/*","apps//next.config.*"],"bashPatterns":["\\bnext\\s+(dev\|build\|start\|lint)\\b","\\bnext\\s+experimental-analyze\\b","\\bnpx\\s+create-next-app\\b","\\bbunx\\s+create-next-app\\b","\\bnpm\\s+run\\s+(dev\|build\|start)\\b","\\bpnpm\\s+(dev\|build)\\b","\\bbun\\s+run\\s+(dev\|build)\\b"],"promptSignals":{"phrases":["next.js","nextjs","app router","server component","server action"],"allOf":[["middleware","next"],["layout","route"]],"anyOf":["pages router","getserversideprops","use server"],"noneOf":[],"minScore":6}}
validate	[{"pattern":"export.getServerSideProps","message":"getServerSideProps is removed in App Router — use server components or route handlers","severity":"error","upgradeToSkill":"nextjs","upgradeWhy":"Guides migration from Pages Router getServerSideProps to App Router server components with async data fetching."},{"pattern":"getServerSideProps","message":"getServerSideProps is a Pages Router pattern — migrate to App Router server components","severity":"warn"},{"pattern":"export.getStaticProps","message":"getStaticProps is removed in App Router — use generateStaticParams + server components instead","severity":"error","upgradeToSkill":"nextjs","upgradeWhy":"Guides migration from Pages Router getStaticProps to App Router generateStaticParams with server components."},{"pattern":"getStaticProps","message":"getStaticProps is a Pages Router pattern — migrate to App Router generateStaticParams + server components","severity":"warn"},{"pattern":"from\\s+['\"]next/router['\"]","message":"next/router is Pages Router only — use next/navigation for App Router","severity":"error","upgradeToSkill":"nextjs","upgradeWhy":"Guides migration from next/router to next/navigation with useRouter, usePathname, useSearchParams hooks."},{"pattern":"(useState\|useEffect)","message":"React hooks require \"use client\" directive — add it at the top of client components","severity":"warn","skipIfFileContains":"^['\"]use client['\"]"},{"pattern":"from\\s+['\"]next/head['\"]","message":"next/head is Pages Router — use export const metadata or generateMetadata() in App Router. Run Skill(nextjs) for metadata API guidance.","severity":"error","upgradeToSkill":"nextjs","upgradeWhy":"Guides migration from next/head to the App Router metadata API (export const metadata / generateMetadata()).","skipIfFileContains":"export\\s+(const\\s+)?metadata\|generateMetadata"},{"pattern":"export\\s+(default\\s+)?function\\s+middleware","message":"middleware() is renamed to proxy() in Next.js 16 — rename the function and the file to proxy.ts. Run Skill(routing-middleware) for proxy.ts migration guidance.","severity":"recommended","upgradeToSkill":"routing-middleware","upgradeWhy":"Guides migration from middleware.ts to proxy.ts with correct file placement, runtime config, and request interception patterns."},{"pattern":"revalidateTag\\(\\s['\"][^'\"]+['\"]\\s\\)","message":"Single-arg revalidateTag(tag) is deprecated in Next.js 16 — pass a cacheLife profile: revalidateTag(tag, \"max\")","severity":"recommended","upgradeToSkill":"nextjs","upgradeWhy":"Guides migration from single-arg revalidateTag to the Next.js 16 two-arg API with cacheLife profiles."},{"pattern":"\\bcacheHandler\\s:","message":"Singular cacheHandler is deprecated in Next.js 16 — use cacheHandlers (plural) with per-type handlers","severity":"recommended","upgradeToSkill":"nextjs","upgradeWhy":"Guides migration from singular cacheHandler to Next.js 16 cacheHandlers (plural) with per-type handler config."},{"pattern":"useRef\\(\\s\\)","message":"useRef() requires an initial value in React 19 — use useRef(null) or useRef(0)","severity":"error"},{"pattern":"next\\s+export","message":"next export was removed — use output: \"export\" in next.config.js for static export","severity":"error","upgradeToSkill":"nextjs","upgradeWhy":"Guides migration from next export CLI command to output: \"export\" in next.config for static site generation."},{"pattern":"(?<!await )\\bcookies\\(\\s\\)","message":"cookies() is async in Next.js 16 — add await: const cookieStore = await cookies()","severity":"error","skipIfFileContains":"^['\"]use client['\"]"},{"pattern":"(?<!await )\\bheaders\\(\\s\\)","message":"headers() is async in Next.js 16 — add await: const headersList = await headers()","severity":"error","skipIfFileContains":"^['\"]use client['\"]"},{"pattern":"=\\s(?!await\\b)params\\b","message":"params is async in Next.js 16 — add await: const { slug } = await params","severity":"recommended","skipIfFileContains":"^['\"]use client['\"]"},{"pattern":"=\\s(?!await\\b)searchParams\\b","message":"searchParams is async in Next.js 16 — add await: const { query } = await searchParams","severity":"recommended","skipIfFileContains":"^['\"]use client['\"]"},{"pattern":"from\\s+['\"\"](next-auth\|@auth/core)['\"\"]\|NextAuth\\(\|getServerSession\\(","message":"Legacy auth pattern detected. Modern Vercel apps should use Clerk, Descope, or Auth0 for managed authentication.","severity":"recommended","upgradeToSkill":"auth","upgradeWhy":"Migrate from next-auth/manual JWT to a managed auth provider (Clerk, Descope, Auth0) for better Vercel integration.","skipIfFileContains":"@clerk/\|@descope/\|@auth0/"},{"pattern":"NextApiRequest\|NextApiResponse\|export\\s+default\\s+function\\s+handler","message":"Pages Router API handler detected. Use App Router route handlers with named HTTP exports instead.","severity":"recommended","upgradeToSkill":"vercel-functions","upgradeWhy":"Migrate from Pages Router API routes to App Router route handlers with Web Request/Response API.","skipIfFileContains":"export\\s+(async\\s+)?function\\s+(GET\|POST\|PUT\|PATCH\|DELETE)"},{"pattern":"from\\s+['\"\"](lru-cache\|node-cache\|memory-cache)['\"\"]\|new\\s+(LRUCache\|NodeCache)\\(","message":"In-process cache detected. Serverless deployments lose process memory between invocations.","severity":"recommended","upgradeToSkill":"runtime-cache","upgradeWhy":"Replace process-memory caches with Vercel Runtime Cache for shared, region-aware caching."},{"pattern":"from\\s+['\"\"](express\|fastify\|koa\|hapi)['\"\"]\|require\\s\\(\\s['\"\"](express\|fastify\|koa\|hapi)['\"\"]","message":"Express/Fastify/Koa/Hapi server framework detected in a Next.js project. Use Next.js route handlers or proxy.ts for request handling instead.","severity":"recommended","upgradeToSkill":"routing-middleware","upgradeWhy":"Replace custom server frameworks with Next.js proxy.ts for request interception and route handlers for API endpoints.","skipIfFileContains":"proxy\\.ts\|from\\s+['\"\"](next/server)['\"\"]\|@vercel/functions"},{"pattern":"from\\s+['\"\"](typeorm\|sequelize\|mikro-orm\|objection\|bookshelf\|knex)['\"\"]\|require\\s\\(\\s['\"\"](typeorm\|sequelize\|mikro-orm\|objection\|bookshelf\|knex)['\"\"]","message":"Heavy ORM detected. Consider using lightweight serverless-native alternatives like Drizzle, Prisma, or direct Neon for better cold start performance.","severity":"recommended","upgradeToSkill":"vercel-storage","upgradeWhy":"Migrate from heavy ORMs to serverless-native database clients (Drizzle + Neon, Prisma, or @neondatabase/serverless) for faster cold starts.","skipIfFileContains":"from\\s+['\"\"](drizzle-orm\|@neondatabase\|@prisma/client\|prisma)['\"\"]"},{"pattern":"fonts\\.googleapis\\.com\|from\\s+['\"\"](fontsource\|@fontsource)['\"\"]\|<link[^>]*fonts\\.googleapis","message":"External font loader detected. Use next/font for zero-CLS, self-hosted font loading with automatic optimization.","severity":"recommended","upgradeToSkill":"nextjs","upgradeWhy":"Guides migration from external font loaders to next/font with Geist Sans/Mono for zero-CLS font optimization.","skipIfFileContains":"next/font"}]
chainTo	[{"pattern":"export\\s+(default\\s+)?function\\s+middleware","targetSkill":"routing-middleware","message":"middleware() is renamed to proxy() in Next.js 16 — loading Routing Middleware guidance for proxy.ts migration."},{"pattern":"from\\s+['\"]@vercel/(postgres\|kv)['\"]","targetSkill":"vercel-storage","message":"Sunset storage package detected — loading Vercel Storage guidance for Neon/Upstash migration."},{"pattern":"from\\s+['\"]@ai-sdk/(anthropic\|openai)['\"]","targetSkill":"ai-gateway","message":"Direct AI provider SDK import — loading AI Gateway guidance for unified model routing with failover and cost tracking."},{"pattern":"from\\s+['\"\"](next-auth\|@auth/core)['\"\"]\|NextAuth\\(\|getServerSession\\(","targetSkill":"auth","message":"Legacy auth pattern detected — loading managed authentication guidance (Clerk, Descope, Auth0)."},{"pattern":"NextApiRequest\|NextApiResponse\|export\\s+default\\s+function\\s+handler","targetSkill":"vercel-functions","message":"Pages Router API handler detected — loading Vercel Functions guidance for App Router migration."},{"pattern":"from\\s+['\"\"](lru-cache\|node-cache\|memory-cache)['\"\"]\|new\\s+(LRUCache\|NodeCache)\\(","targetSkill":"runtime-cache","message":"In-process cache detected — loading Runtime Cache guidance for serverless-compatible caching."},{"pattern":"fetch\\s\\(\\s['\"\"](https?://)?(api\\.openai\\.com\|api\\.anthropic\\.com\|api\\.cohere\\.ai)","targetSkill":"ai-gateway","message":"Raw AI provider fetch URL detected — loading AI Gateway guidance for unified routing, failover, and OIDC auth.","skipIfFileContains":"@ai-sdk/\|from\\s+['\"\"](ai)['\"\"]\|ai-gateway\|gateway\\("},{"pattern":"jwt\\.(sign\|verify\|decode)\\(\|from\\s+['\"\"](jsonwebtoken)['\"\"]\|new\\s+SignJWT\\(\|jwtVerify\\(","targetSkill":"auth","message":"Manual JWT token handling detected — loading Auth guidance for managed authentication (Clerk, Descope, Auth0).","skipIfFileContains":"clerkMiddleware\|@clerk/\|@auth0/\|@descope/\|from\\s+['\"\"](next-auth)['\"\"]"},{"pattern":"from\\s+['\"]@/components/ui/\|from\\s+['\"]@/components/ui['\"\"]","targetSkill":"shadcn","message":"shadcn/ui component imports detected — loading shadcn guidance for component composition, theming, and registry patterns.","skipIfFileContains":"shadcn\|components\\.json"},{"pattern":"from\\s+['\"\"](styled-components\|@emotion/(react\|styled)\|@mui/material)['\"\"]","targetSkill":"shadcn","message":"CSS-in-JS library detected — loading shadcn/ui guidance for Tailwind CSS + Radix UI component patterns (Vercel recommended).","skipIfFileContains":"@/components/ui\|shadcn"},{"pattern":"getInitialProps","targetSkill":"nextjs","message":"getInitialProps is a legacy Pages Router pattern — loading Next.js guidance for App Router migration with server components and async data fetching.","skipIfFileContains":"app/.page\\.\|generateStaticParams\|use cache"},{"pattern":"export.getServerSideProps\|getServerSideProps\\s\\(","targetSkill":"nextjs","message":"getServerSideProps is a Pages Router pattern — loading Next.js guidance for App Router migration with server components and async data fetching.","skipIfFileContains":"generateStaticParams\|use cache\|app/.page\\."},{"pattern":"export.getStaticProps\|getStaticProps\\s\\(","targetSkill":"nextjs","message":"getStaticProps is a Pages Router pattern — loading Next.js guidance for App Router migration with generateStaticParams and server components.","skipIfFileContains":"generateStaticParams\|use cache\|app/.page\\."},{"pattern":"_app\\.(tsx?\|jsx?)","targetSkill":"nextjs","message":"_app.tsx is a Pages Router pattern — loading Next.js guidance for App Router layout.tsx migration.","skipIfFileContains":"app/layout\\.\|app/.layout\\."},{"pattern":"_document\\.(tsx?\|jsx?)","targetSkill":"nextjs","message":"_document.tsx is a Pages Router pattern — loading Next.js guidance for App Router layout.tsx with metadata API migration.","skipIfFileContains":"app/layout\\.\|app/.layout\\."},{"pattern":"from\\s+['\"]next/document['\"]","targetSkill":"nextjs","message":"next/document is Pages Router only — loading Next.js guidance for App Router layout.tsx with html/body structure.","skipIfFileContains":"app/layout\\.\|app/.layout\\."},{"pattern":"pages/api/","targetSkill":"vercel-functions","message":"Pages Router API route (pages/api/) detected — loading Vercel Functions guidance for App Router route handlers with named HTTP exports.","skipIfFileContains":"export\\s+(async\\s+)?function\\s+(GET\|POST\|PUT\|PATCH\|DELETE)"}]
retrieval	{"aliases":["next.js","nextjs app","react framework","app router"],"intents":["set up routing and layouts in a Next.js app","choose between server and client components for a feature","configure data fetching or caching in App Router","add middleware or proxy logic to handle requests","set up server rendering for React pages","add a new page with dynamic route segments"],"entities":["App Router","Server Components","Server Actions","generateMetadata","layout","proxy","next.config"],"examples":["add a new page with dynamic routing","should this be a server or client component","set up middleware for auth redirects","configure caching for this data fetch","set up server rendering for my pages"]}