Cursor Rules Megapack — 30 .cursorrules for Next.js, FastAPI, Rails, Flutter and More
30 production-tested .cursorrules files for popular frameworks. Drop one into your project root and Cursor instantly knows your stack, conventions, and preferences.
Includes rules for: Next.js 15 (App Router), React 19, FastAPI, Django, Rails 8, Express, NestJS, Flutter, SwiftUI, Tailwind CSS, TypeScript strict mode, Python type hints, Go idioms, Rust patterns, Prisma, Drizzle ORM, Supabase, Firebase, Docker, Terraform, GitHub Actions, Jest, Playwright, pytest, and 6 more.
Each file includes: framework-specific coding conventions, import ordering preferences, error handling patterns, testing requirements, file organization rules, naming conventions, and performance best practices.
Not generic AI instructions. Each ruleset is tuned for how experienced developers actually write code in that framework.
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