build69
About

Design systems shouldn't slow agents down.

We built build69 because AI agents write great logic but generic UI. A design system delivered as copy-paste source — not a locked runtime — lets them ship interfaces that already look like your product.

How we got here

2024

A pile of near-identical component libraries

Every internal app rebuilt the same buttons and tables, slightly off-brand each time.

2025

Agents entered the codebase

They could scaffold whole features — but had no shared design language to pull from.

2026

build69 — the registry, over MCP

282 components, one URL, and code you own. Every app on-brand from the first prompt.

What we believe

You own your code

No runtime dependency, no lock-in. What lands in your repo is yours to change forever.

One token language

Consistency comes from shared tokens, not copied pixels. Change one variable, change everything.

Built for agents

Machine-friendly delivery, human-friendly output. The agent does the wiring; you review the result.

2,400+
developers
282
components
1.2M
fetches / month
12
people, remote

The team

RM
Rafael Marín
Co-founder, CEO
SO
Sana Okafor
Co-founder, CTO
DL
Dana Lund
Head of Design
TV
Theo Vance
Head of DevRel

Come build on-brand, faster.