Lyse
v0.1 · open formula

Every design system has a score.

Lyse audits your design system across six axes — including AI-readiness — and scores it 0–100. Open formula, scored nightly.

$ npx @lyse-labs/lyse audit
lyse+
Try in your codebase

Auditing the design systems shipped by

AdobeMicrosoftShopifyUberLEDGERSwissquoteAdobeMicrosoftShopifyUberLEDGERSwissquote

Live scores

Even the best design systems drift.

200+ design system audits run every day on Lyse, across six axes — including AI-readiness. Open formula, scored nightly.

Reviews every pull request

A design review on every PR.

Every pull request gets inline comments on the exact tokens and components that regress — each one explaining the problem in plain English and suggesting a concrete fix you can apply right away.

LyseBotreviewed 1 hour ago
components/Button/Button.tsx
52background: "#3B82F6"
53borderRadius: 8
Lyse tokens/no-hardcoded-color (warning)

Replace the literal with a token so themes and agents can resolve it. See docs

On every pull request

Scored on every pull request.

Lyse runs on your design system's pull requests. It comments inline on the exact tokens and components that regress, explains each in plain English, and blocks the merge when the score drops below your threshold.

All checks have failed

1 failing check

Lyse — design score 62AI-readiness regressed · 3 warnings

Merging is blocked

Failing checks must pass before merging.

The engine

The standards your product relies on.

Lyse's score is an open formula. Each of the six axes is graded against real, citable standards — not vibes.

Tokens & Foundations
W3C Design Tokens (DTCG) spec
Components
Component contract & API-consistency heuristics
Accessibility
WCAG 2.2 AA · W3C ARIA Authoring Practices
Documentation
Coverage & machine-readability of the docs
Theming & Modes
Theme/identity vs mode/brightness separation
AI-readiness
Machine-legible tokens, agent/MCP-consumable surface

258 checks across 6 axes, mapped to W3C & WCAG

Read the methodology →

The newsletter

What's moving in design + AI.

One editorial brief a week. We read the whole field so you read ten links that matter.

Edition #27 · 2026-07-05

Design systems are becoming agent infrastructure, whether you meant them to or not

This week's links split cleanly into two audiences for the same design system: the humans who read it and the agents that now consume it. Manufact, a new Claude prompt for enforcing design tokens, and a declarative form

Read the edition →