Download a DESIGN.md you like, place it at the project root, and compare how the same prompt produces more consistent screens when the agent has clear design rules.

A Chrome extension that extracts webpage styles into DESIGN.md.
A reference collection of DESIGN.md files that AI coding agents can read.
A reference for Vercel's design tokens and UI rules.
A design reference library that pairs UI screenshots with MD files.
Figma context for agent tools