You launch Cursor, Claude Code , or Codex and work on your company landing page or a new feature for a product, but you constantly get different results. Some generated UI’s button is completely rounded, while it should have just 8 pixels. On others, there is too much padding. Codex used Inter, while Claude applied Manrope for headings. It is a constantly repeating frustration that pops up randomly in various sessions with an AI agent.

Is there a way to get repeatably consistent results with AI?

It looks like Google came up with an idea to solve it.

If you read my notes frequently, you already know that I constantly look for the signals that will last in the noise of AI-hyped ideas. Recently, the DESIGN.md format, an initiative started by Google, caught my attention.…