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WebCraft Kit
AI & LLM Essential

DESIGN.md Generator & AI Design System Studio

Interactive DESIGN.md and AI Design System generator. Define color tokens, typography scales, spacing rules, and component conventions for AI coding agents with live component preview and Tailwind @theme export.

Interactive brand color token builder (Primary, Secondary, Accent, Background, Surface, Border, Text)
Typography scale customizer with font families, headings (h1-h4), and body font sizing
Layout & spacing scale generator (Containers, Gaps, Radius, Shadows)
Live UI component sandbox displaying rendered buttons, inputs, and cards in real time
Multi-format export: Standard DESIGN.md, Tailwind CSS v4 @theme CSS block, and JSON tokens
Instant presets: Obsidian Cyber, Slate Minimalist, Modern SaaS Indigo, and Tokyo Night
WebCraftKit Manifesto 100% Client-Side Engine

Air-Gapped Privacy & Zero-Latency Developer Utilities

Every cryptographic algorithm, schema transformer, color space converter, and binary extractor runs entirely in your browser RAM. Your tokens, API secrets, and source code are never sent to external servers.

Zero Server Telemetry
•
Sub-Millisecond Execution
•
70 Production Tools
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Comprehensive Technical Manual

How to Use DESIGN.md to Enforce Visual Consistency Across AI Coding Agents

In-depth specifications, architectural mechanics, real-world code implementations, and industry best practices.

01

What is a DESIGN.md File and Why Does Your Repository Need One?

When AI coding assistants (such as Cursor, Anthropic Claude Code, GitHub Copilot, v0, or Windsurf) generate UI components, they often invent arbitrary hex colors, inconsistent border radiuses, and mismatched font sizes.

A `DESIGN.md` file is a machine-readable design system contract placed in your repository root. AI agents read this file before writing frontend code, guaranteeing that every generated component strictly uses your established CSS variables, Tailwind classes, typography hierarchy, and accessibility rules.

02

The Core Structure of a Machine-Readable DESIGN.md

A production-grade DESIGN.md file is organized into four standardized markdown sections: 1. Design Philosophy & Aesthetic Directive (e.g. "Precision Industrial Dark with glassmorphic accents") 2. Color Tokens & Semantic Roles (Primary, Accent, Background, Surface, Border, Text) 3. Typography & Spacing Scale (Font families, line-heights, fluid clamps) 4. Component Construction Rules (Buttons, Cards, Inputs, Modals, Focus rings)

Implementation Example 
# DESIGN SYSTEM CONTRACT (DESIGN.md)

## 1. Aesthetic Directive
- Style: Obsidian Cyber Dark with High-Precision Neon Accents
- Border Radius: Rounded-2xl (1rem / 16px) for cards, Rounded-xl for inputs
- Background: #090a0f (Canvas), #0e111a (Elevated Card)

## 2. Semantic Color Tokens
- Primary Accent: #38bdf8 (Sky 400 - Main CTAs, active highlights)
- Secondary Accent: #818cf8 (Indigo 400 - Sub-actions, tags)
- Surface Background: #0e111a (85% Glass opacity with backdrop-blur)
- Border Color: rgba(255, 255, 255, 0.08)
- Text Primary: #f8fafc | Text Muted: #94a3b8

## 3. Component Construction Rules
- Buttons: px-4 py-2.5 rounded-xl font-medium text-xs transition-all
- Cards: p-6 rounded-2xl bg-slate-900/80 border border-white/10 shadow-xl
- Inputs: bg-slate-950/80 border border-white/10 focus:border-sky-500
03

Exporting to Tailwind CSS v4 @theme and Figma Tokens

Our studio allows you to export your configured tokens directly as modern CSS variables and Tailwind v4 `@theme` definitions, ensuring 100% synchronization between your code and AI prompt context.

Implementation Example 
@theme {
  --color-canvas: #090a0f;
  --color-card: #0e111a;
  --color-primary: #38bdf8;
  --color-accent: #818cf8;
  --font-sans: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}
04

Step-by-Step Workflow & Cross-Referencing in AGENTS.md

  1. 1. Customize your colors, typography, and component rules in the visual editor.
  2. 2. Preview the live rendered components in the interactive sandbox card.
  3. 3. Click "Download DESIGN.md" and place it in your repository root (`/DESIGN.md`).
  4. 4. Reference your design file in `AGENTS.md` or `.cursorrules` using `@DESIGN.md`.
  5. 5. When prompting your AI ("Build a pricing card"), the model will automatically bind your exact design tokens without manual prompting.
Knowledge Base & Clarifications

Frequently Asked Questions: DESIGN.md Generator

Got questions about how DESIGN.md Generator operates, client-side cryptographic safety, or performance limits? Explore common answers below.

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