Design system teardowns
How well-known products structure type, color, and surface — read from the live interface, and expressed as tokens you can actually install.
8 guides in this topic.
Design system examples: what each one actually teaches
Most design system roundups are link lists. This is a read of nine real systems organised by the decision each one made well — layering, enforcement, cross-platform contracts, delivery — plus the change three of them made in the last eighteen months that nobody has written up.
Updated 2026-07-27
Carbon: the open-source design system that shipped an MCP server
IBM's Carbon is the largest openly licensed enterprise design system, and in 2026 it does something none of the write-ups mention: it exposes itself to AI agents over the Model Context Protocol. A practical guide to what Carbon is, how it is layered, and what the MCP server changes.
Updated 2026-07-27
Shopify deprecated Polaris for React. Here is what replaced it
Polaris React is marked deprecated and Polaris Web Components are now what Shopify apps use — loaded from a CDN script tag, not an npm dependency. What actually changed, why, and what it means for anyone maintaining a design system.
Updated 2026-07-27
SLDS 2: Salesforce rebuilt its design system for agents
Salesforce says SLDS 2 is "the foundation for the agentic design system" — a decade-old enterprise design system rearchitected around CSS custom properties so that generated interfaces stay on brand. What actually changed, and what it means if you do not use Salesforce.
Updated 2026-07-27
The Linear design system, read as constraints
Linear's interface is imitated constantly and reproduced badly. A close reading of what is actually observable — the weight band, the hairline, the single accent — and why the part everyone copies is not the part doing the work.
Updated 2026-07-27
Stripe's two design systems, and why they disagree
Stripe ships one design system that forbids custom CSS entirely and another built almost entirely around letting you override it. Both are public, both are documented, and the line between them is the most useful thing Stripe has published about design systems.
Updated 2026-07-27
Airbnb's DLS: the system that refused atomic design
Airbnb's Design Language System is the most-cited cross-platform design system and the most misread. Its founding decision was to reject atoms and molecules outright — and the reasoning behind that choice is what makes it useful now.
Updated 2026-07-27
Encore: what a design system looks like at 45 platforms
Spotify's Encore had to cover 45 platforms and over 2,000 device types. Its own team says the pendulum swung too far toward flexibility and had to be pulled back. That correction, and the layered structure that came out of it, is the useful part.
Updated 2026-07-27