Cursor rules for full-stack MVPs with NestJS/Express backends and React + Vite + Shadcn UI frontends. Includes simple backend/frontend scaffolds, design-token generation from tokens.json, AI “vibe code” collaboration rules, and coding style & red-line guidelines for consistent, high-quality AI-assisted development.

An opinionated operating system for using Cursor in real production work. Defines Planner, Executor, and Reviewer modes, a strict Definition of Done, and production-grade rules for fullstack and web3 engineering.