Generate custom rules and system prompts for AI coding tools like Cursor, Claude Code, and Copilot
e.g., Next.js SaaS app, Python CLI tool, Go microservice
e.g., TypeScript, Python, Rust
Specific coding conventions to follow (e.g., naming patterns, file structure, import ordering)
Patterns and practices the assistant should never use (e.g., any types, mutation, deep nesting)