Ultimate Cursor Rules Pack — 90+ .cursorrules & MDC Files
Ultimate Cursor Rules Pack — 90+ .cursorrules & MDC Files for Every Stack Stop writing the same cursor rules from scratch for every project. This is the most complete pack of production-tested cursor rules on the internet — 90 hand-crafted .cursorrules and modern .mdc files covering React, Next.js, Python, Go, Rust, AI, DevOps, mobile, databases and more. Whether you're searching for awesome cursor rules, a proper cursor system prompt, or the best cursor rules for React, Next.js, or Python, you'll find them here — organized, searchable, and ready to drop into .cursor/rules/ or your project root. ✅ What you get (inside the ZIP) File What it does index.html Searchable, filterable cursor rules browser — 90 rulesets, 15 categories, one page index.json Structured data of every ruleset (for programmatic use) rules/*.cursorrules 90 legacy-format .cursorrules files — one per stack, works on all Cursor versions mdc/*.mdc 90 modern MDC files with proper frontmatter — Cursor 0.45+ modular format README.md Setup + usage guide (3 install options covered) Total: 183 files. 280 KB. Zero dependencies. Zero fluff. 💎 Why this cursor rules pack is different Two formats, always. Every rule ships as both a classic .cursorrules file AND a modern cursor .mdc file with frontmatter. Use whichever your Cursor version prefers — never migrate again. Battle-tested, not brainstormed. These are the exact conventions used in real production repos — not ChatGPT-generated fluff. Every rule includes anti-patterns to reject, security defaults, and framework gotchas. Searchable browser included. The bundled index.html gives you instant search + category filters across all 90 rules. Find "next.js" or "langchain" in one keystroke. Modern stacks only. React 19, Next.js 15, Tailwind v4, Svelte 5, Angular 18, Python 3.12, Go, Rust — no dead syntax. Composable. Building Next.js + Postgres + Prisma + Playwright? Drop 4 .mdc files into .cursor/rules/ — Cursor merges them intelligently. 🧠 What's covered — 15 categories, 90 rulesets Frontend (10): React 19, Next.js 15, Vue 3, Svelte 5, SolidJS, Angular 18, Astro, Remix, TanStack Start, Qwik UI / Styling (5): Tailwind v4, shadcn/ui, Chakra, MUI, CSS Modules Backend (10): Node, Bun, Deno, Hono, Elysia, Fastify, Express, NestJS, tRPC, GraphQL Python (8): Modern Python, FastAPI, Django 5, Flask, pytest, pandas/polars, DRF, LangChain Systems (6): Go, Rust, Kotlin, Java 21, C# .NET 9, Modern C++ Mobile (4): React Native/Expo, Flutter, SwiftUI, Jetpack Compose Databases (6): Postgres, Prisma, Drizzle, Supabase, MongoDB, Redis DevOps (6): Docker, Kubernetes, Terraform, GitHub Actions, Cloudflare Workers, AWS CDK AI (5): OpenAI SDK, Vercel AI SDK, Anthropic SDK, RAG Pipelines, Vector DBs Web3 (3): Solidity, Hardhat, wagmi/viem Testing (4): Playwright, Vitest, Jest, Cypress Meta / Personas (13): Code Review, Debugging, Refactoring, Docs, Perf, Security Audit, PRD Writing, PM, Solo Founder, Startup CTO, Senior Eng, 10x Eng, Junior Mentor Data (4): SQL, dbt, Airflow, Spark Content / Writing (3): SEO Writer, Copywriter, Tech Writer Design / UX (3): UI Designer, UX Writer, Accessibility 🛠 How to use — 3 install options Option A — Legacy .cursorrules (any Cursor version) Copy any file from rules/ into your project root as .cursorrules. Restart Cursor. Done. Option B — Modern .mdc (Cursor 0.45+ recommended) Create .cursor/rules/ in your project. Copy the .mdc files you need. Cursor auto-loads them. Option C — Stack combos Drop multiple .mdc files for a full stack. Example: Next.js + Postgres + Prisma + Playwright = 4 files, one folder, done. 💰 Why buy instead of copy-pasting from GitHub Awesome-cursorrules on GitHub is a chaotic list with duplicate/outdated files This pack is curated, modernized to 2026 syntax, and organized into 15 categories Every rule includes the same 6 mandatory sections (role, principles, style, testing, security, anti-patterns) — consistency you can rely on The searchable HTML browser alone saves an hour every project Replaces: hunting through GitHub gists, prompt engineering trial-and-error, that half-broken .cursorrules from 2024. 🎁 Bonus 90 modern .mdc files with proper description, globs, alwaysApply frontmatter — worth the buy alone if you're on Cursor 0.45+ Meta persona rules (Code Review, Debugging, PRD, Solo Founder mode) — turn Cursor into any specialist on demand AI-specific rules for OpenAI SDK, Anthropic, Vercel AI SDK, RAG, vector DBs — rare, hard to find, worth the price alone ❓ FAQ Q: What is a cursor rules file? A .cursorrules file lives in your project root and tells the Cursor AI how to behave in your codebase — coding conventions, frameworks in use, anti-patterns to reject. This pack ships 90 of them, one per major stack. Q: Difference between .cursorrules and .mdc? .cursorrules is the legacy single-file format that works on every Cursor version. .mdc is the modern modular format (Cursor 0.45+) with YAML frontmatter — you can compose multiple .mdc files per project. This pack ships both formats for every rule. Q: What are the best cursor rules for React / Next.js / Python? This pack includes dedicated rulesets for React 19, Next.js 15 App Router, and Python 3.12+ (plus FastAPI, Django, Flask, LangChain). Just search the bundled index.html. Q: Will these cursor prompts work with Cursor's newest version? Yes. Both formats stay valid. The .mdc files are already Cursor 0.45+ ready with correct frontmatter. Q: Can I edit and remix the rules? Absolutely — personal and commercial use both allowed. Only restriction: no reselling this as a rules pack. Q: Is there a refund? See the checkout page for the refund policy. 🌍 Worldwide compatible Text files. UTF-8. Works on macOS, Windows, Linux. No installation, no dependencies, no account. ⚡ Click Get → Grab the pack, drop the file, ship better code today. Every hour Cursor argues with you about outdated syntax is an hour you paid for this pack ten times over. Ultimate Cursor Rules Pack · 90 rules · 2 formats each · 15 categories · Production-tested
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