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Next.js Cursor Rules Starter (Free)
Free Next.js Cursor rules in .mdc format, checked against current Next.js docs, plus a linter that shows why a rule isn't applying.
View Next.js Cursor Rules Starter (Free)Cursor Rules for Next.js
11 Next.js rules your agent actually follows: each one attaches only to the files it's about, states the version-specific behavior, and installs with one command.
What it is
11 Cursor project rules (.mdc) for Next.js, scoped so each loads only when relevant, with an installer that detects your stack, an AGENTS.md exporter (Claude Code, Codex) and a rules linter. Written against current docs (checked Nov 2026; Next.js 16).
What you get
The screenshot is real output from the kit’s own commands. Tested from a fresh download of this exact zip: ./run_tests.sh ran 8 tests OK on Python 3.13 and 3.10.
Install in 30 seconds
python3 tools/install_rules.py --detect /path/to/app # what it finds
python3 tools/install_rules.py /path/to/app --auto # install rules for detected stacks into .cursor/rules/
python3 tools/install_rules.py /path/to/app --all --agents-md # everything, plus AGENTS.md
python3 tools/lint_rules.py /path/to/app/.cursor/rules --project /path/to/appExisting files are never overwritten unless you pass --force; --dry-run previews. ./tools/demo.sh runs it on examples/sample-app; ./run_tests.sh runs the tests. As a Cursor plugin, the manifest is .cursor-plugin/plugin.json.
The rules
| Rule | Loads | First instruction |
|---|---|---|
| nextjs-overview.mdc | always | Check the next version in package.json before using an API |
| nextjs-server-client-components.mdc | by file (app//*.tsx, src/app//*.tsx, components//*.tsx, src/components//*.tsx) | Default to Server Components |
| nextjs-async-request-apis.mdc | by file (app//page.tsx, app//layout.tsx, app//route.ts, src/app//page.tsx, src/app//layout.tsx, src/app//route.ts) | params and searchParams are Promises: const { slug } = await props.params |
| nextjs-data-caching.mdc | Agent picks it | Since Next.js 15, fetch and GET Route Handlers are not cached by default |
| nextjs-server-actions.mdc | Agent picks it | Treat every 'use server' function as a public POST endpoint: re-check authentication and authorization inside the... |
| nextjs-route-handlers.mdc | by file (app//route.ts, src/app//route.ts, app//route.js, src/app//route.js) | Export named functions per method (GET, POST, ...) |
| nextjs-proxy.mdc | by file (proxy.ts, src/proxy.ts, middleware.ts, src/middleware.ts) | Next.js 16 renames middleware.ts to proxy.ts and the export to proxy |
| nextjs-metadata-seo.mdc | by file (app//layout.tsx, app//page.tsx, app/sitemap.ts, app/robots.ts, src/app//layout.tsx, src/app//page.tsx) | Use export const metadata or export async function generateMetadata({ params }) in Server Component pages and... |
| nextjs-images-fonts.mdc | by file (next.config.*, app//*.tsx, components//*.tsx, src//*.tsx) | Use next/image with explicit width/height (or fill plus a sized parent) and a real alt |
| nextjs-config-env.mdc | by file (next.config.*, .env.example, package.json) | serverRuntimeConfig/publicRuntimeConfig are removed in 16 |
| nextjs-errors-loading.mdc | by file (app//error.tsx, app//not-found.tsx, app//loading.tsx, app//default.tsx, src/app//error.tsx, src/app//loading.tsx) | error.tsx must be a Client Component ('use client') and receives error and reset |
Honest limits
- Rules guide the model; they don't enforce anything. Check version-specific advice against the versions in your lockfile (each overview rule tells the agent to do this).
- Detection is file-based (package.json, manage.py/requirements, Gemfile, supabase/); in monorepos run it per package or use --stack.
Format and license
Zip, 22 KB, v1.0, 33 files. You may use and modify this kit for your own work and for clients you serve, including paid client work. Not affiliated with or endorsed by Cursor (Anysphere) or Vercel.
FAQ
- Next.js 15 or 16?
- Both; the rules say which behavior is 16-only (proxy.ts, revalidateTag profiles) and the overview rule tells the agent to check your installed version first.
- Will it overwrite my rules?
- No, existing files are skipped unless you pass --force.
- Claude Code or Codex?
- Run the installer with --agents-md to write the same rules into AGENTS.md.
- How do I get the files?
- Right after payment, Stripe’s confirmation page shows your download link.
- Refunds?
- Email hello@youraitools.co within 14 days if it doesn’t work and we can’t fix it.
- Can I pay with crypto?
- Yes. Pay the same price in USDC or USDT on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana from the "Pay with crypto" button, with no account or KYC. We check the payment on-chain and show your download links as soon as it confirms.
Get Cursor Rules for Next.js
11 Cursor rules for Next.js (Server/Client Components and more), written against current docs. Installs in one command, exports AGENTS.md. $12 once.
Save with a bundle
- Cursor Rules Stack Bundle: 5 products for $29 ($60 separately, you save $31).
- Cursor Rules All-Stacks Bundle: 9 products for $39 ($108 separately, you save $69).
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