FreeDesignMD is a free design.md library and directory of 121+ curated design systems built specifically for AI coding agents. A design.md file is a single markdown document defining color tokens, typography, spacing, radius, components, and layout rules — exactly the context Claude, Cursor, or Lovable needs to ship consistent UI on the first try instead of drifting into generic gradients and mismatched buttons. Drop the file into your project root as DESIGN.md, reference it in your prompt or rules file, and every subsequent generation matches the same visual contract. 650+ downloads in week one. Includes 7 layout patterns (bento grid, full-bleed, stacked bands, etc.), a UI/UX lexicon with live demos of design terms (glassmorphism, bento grid, blueprint grid), and a landing page template section. All files free to download, remix, and use commercially. No account required.