What is DESIGN.md?

The directory of
real brand design systems
for AI agents.

Real design systems for Cursor, Claude Code, Codex, Windsurf and more. Copy a DESIGN.md into your project — your agent generates UI that follows your real design rules, not generic defaults.

Browse the directoryCursorClaude Codedark dashboardminimal SaaS
Vercel

Vercel

Vercel design system as a DESIGN.md — monochrome Geist UI, electric-blue accent.

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Linear

Linear

Project management. Deep violet system, monospace precision, keyboard-first developer aesthetic.

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Cursor

Cursor

AI-first code editor. Dark, minimal, keyboard-centric devtool.

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Figma

Figma

Design tool. Clean, professional, subtle brand depth.

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Framer

Framer

Interactive design and publishing. Editorial, bold, premium web.

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Webflow

Webflow

No-code website builder. Clean, empowering, modern SaaS.

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Lemon Squeezy

Lemon Squeezy

Payments for SaaS. Playful, vibrant, indie-friendly.

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Loom

Loom

Async video for teams. Friendly, approachable SaaS.

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Paddle

Paddle

Revenue delivery platform. Clean, modern B2B SaaS.

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GitHub

GitHub

Code hosting and collaboration. Iconic devtool UI.

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Stripe

Stripe

Developer-first payments platform. Clean, trustworthy, minimal decoration.

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