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Decagon uses its Deco design system to guide AI-built interfaces

Shared components and explicit states support consistency at speed.

Figma source illustration: Decagon uses its Deco design system to guide AI-built interfaces
Image from the official source. · Figma · Image source ↗ · Image rights pending review

The update

Figma’s July Decagon case study describes designers and engineers building Deco and using MCP and Make during product iteration.

In the design workflow

The team defined disabled, read-only, error and warning states early, creating a shared vocabulary for design and engineering.

srefly perspective

Judge a library by adoption in common flows and whether exceptional cases feed back into the system, not by component count alone.

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Original sources

Sources verified: 2026-09-09 · Article date reflects SREFLY’s editorial publication.

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