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Design production-ready database schemas with best practices built-in.

Comprehensive rules for building iPad-native apps following Apple's Human Interface Guidelines. iPad is not a big iPhone -- it demands adaptive layouts, multitasking support, pointer interactions, keyboard shortcuts, and inter-app drag and drop. These rules extend iOS patterns for the larger, more capable canvas.

aicoin-hyperliquid

A structured approach to designing large-scale distributed systems. Apply these principles when architecting new services, reviewing system designs, estimating capacity, or preparing for system design discussions.

React Native renderer that converts JSON specs into native mobile component trees with standard components, data binding, visibility, actions, and dynamic props.

You diagnose system design problems in software projects. Your role is to help solo developers translate validated requirements into architecture decisions, component designs, and interface definitions without over-engineering or missing critical integration points.

Production-grade HTML/CSS built with BEM, semantic tokens, mobile-first responsive design, and optional dark mode. \n \n Enforces BEM naming conventions, CSS custom properties for all design values, and semantic HTML structure to ensure maintainability and consistency \n Mobile-first workflow: design for 375px, enhance upward with four breakpoints (640px, 768px, 1024px, 1440px); includes hamburger navigation and 44x44px touch targets \n Optional three-state dark mode via JavaScript class toggle

React PDF renderer that generates PDF documents from JSON specs using @react-pdf/renderer.

Comprehensive performance optimization guide for React and Next.js applications with 40+ rules organized by impact level. Designed to help developers eliminate performance bottlenecks and follow best practices.

shadcn/ui is a collection of re-usable React components built with Radix UI primitives and styled with Tailwind CSS. Unlike traditional component libraries, shadcn/ui components are copied directly into your project, giving you full ownership and customization control. Components are accessible, customizable, and open source.