guidelines▌

Framework-agnostic rules for accessible, performant, responsive web interfaces aligned with WCAG 2.2 and modern web standards. \n \n Comprehensive accessibility guidance covering semantic HTML, ARIA, keyboard navigation, focus management, color contrast, forms, and error handling with specific WCAG success criteria mappings \n Mobile-first responsive design using modern CSS (clamp, container queries, logical properties) and touch-friendly targets; no horizontal scrolling at 320px width \n Perfor

Create comprehensive brand guidelines to ensure consistent visual and verbal identity.

Comprehensive design rules derived from Apple's Human Interface Guidelines for iPhone app development. \n \n Covers 10 critical areas: layout and safe areas, navigation, typography with Dynamic Type support, color and Dark Mode, accessibility, gestures, components, patterns, privacy, and system integration \n Includes 100+ specific rules with code examples showing correct and incorrect implementations across SwiftUI and UIKit \n Provides a quick-reference table for common UI components and an ev

Opinionated backend architecture standards for Node.js, Express, and TypeScript microservices. \n \n Enforces strict layered architecture (routes → controllers → services → repositories) with zero business logic in routes and mandatory BaseController pattern for all controllers \n Requires Zod validation on all external input, Sentry error tracking on all exceptions, and unifiedConfig as the single source for environment configuration \n Includes Backend Feasibility & Risk Index (BFRI) scor

Rust naming, formatting, and best-practice guidelines covering 50 core rules. \n \n Covers naming conventions (no get_ prefix, iterator patterns, conversion methods), data types (newtypes, slice patterns, pre-allocation), and string handling (prefer bytes for ASCII, use Cow<str> when appropriate) \n Error handling guidance includes ? propagation over try!() , meaningful lifetime names, and lock ordering for concurrency safety \n Includes deprecation mappings (e.g., lazy_static! to OnceLock

Write user-facing copy following Sentry's brand guidelines.

Apply Anthropic's official brand colors, typography, and visual identity to artifacts. \n \n Includes six brand colors (dark, light, mid/light gray, orange, blue, green) with RGB values for precise matching across platforms \n Automatically applies Poppins font to headings (24pt+) and Lora font to body text, with fallback to Arial and Georgia if custom fonts unavailable \n Smart color selection adapts text and accent colors based on background for readability and visual hierarchy \n Works with s

Write user-facing copy following Sentry's brand guidelines.

Smart contract development advisor applying Trail of Bits' security and design guidelines to analyze codebases systematically. \n \n Performs five-phase analysis covering documentation generation, architecture review, upgradeability assessment, implementation quality checks, and dependency evaluation \n Assesses 11 comprehensive areas including function composition, inheritance patterns, event logging, common pitfalls, proxy security, and testing coverage \n Generates plain English system descri

Project-specific architecture, code patterns, and deployment guidelines for Zenith application. \n \n Next.js 15 frontend with FastAPI backend, Supabase PostgreSQL database, and Claude API integration via structured output \n Includes standardized API response formats, custom React hooks, and Pydantic models for type safety across stack \n Testing requirements: pytest with 80% coverage minimum for backend, React Testing Library for frontend, Playwright for E2E \n Deployment via Google Cloud Run