Rules

Cursor IDE rules and conventions for AI-assisted development.

Scope: UI, APIs, async workflows, error handling, state management Default severity: error > Intent: Enforce discoverability, feedback, state transparency, error recovery, and predictable behavior. > Apply to all new code and refactors. Prefer explicitness over cleverness.

Cursor IDE rules and conventions for AI-assisted development.

Build a **single TypeScript codebase** that runs interactive apps on **MCP Apps and ChatGPT** via a shared tool + UI model. Optimize for **strict type-safety**, **clean public APIs**, and **backwards-compatible changes** across packages.

**Focus**: RESTful API design and data modeling **Purpose**: Build well-designed, intuitive, scalable APIs