Skip to content
repository radar
Agents & Orchestration

🎨astryx

ACTIVE BREAKOUT

facebook/astryx · homepage ↗

An open source design system that's fully customizable and agent ready

⭐ Very popular: 12k stars, gaining about 981 a week

View on GitHub ↗

repo profile

vintage 2026 launched this year
language TypeScript
license MIT

momentum

total stars 12k
stars added last week +981
used by 6 repos & packages
commits / week 114 cooling · -27% vs prior mo
issues closed 90% ~2d to close, median
contributors 73 (+3 in 15d)
release cadence weekly
last activity today

durability

backing company-owned Meta
openness permissive
bus factor 2 concentrated
top-author share 45% 6 mo

bus factor = how many people it takes to cover more than half the commits (6 months). 1 is a solo project; higher means the work is spread across a team. top-author share is the single busiest author's slice of those commits.

since we covered it

monthly average + 7k/mo (+458%/mo) · + 11k total since PR#37

why it's a big deal

  • Packages the design system that grew inside Meta over eight years, where it reportedly became the company's most-used system powering 13,000+ apps, and releases it under MIT for outside teams.
  • Ships 150+ accessible components with seven ready-made themes and dark mode, so teams get a large component library and theming without building it from scratch.
  • Exposes the same API and conventions to human developers and AI agents, which matters for teams that want coding assistants to work in the same design system.

under the hood

  • Built with React and StyleX in TypeScript, with theming handled through CSS custom properties rather than component wrapping.
  • Imports pre-built CSS directly, so it needs no build plugin, and it avoids styling lock-in by allowing overrides with Tailwind, CSS modules, or plain CSS.
  • Provides CLI tooling for documentation, scaffolding, and theming, plus component swizzling to eject source code into a project for customization.

Radar summary, generated from the project's public sources

star history

PR#37 · 2k12k now Jan 2026Aug 2026
  1. PR#37 2k 2026-07-01
  2. now 12k + 11k since first covered

curve is sampled from GitHub's star history, plus our own daily readings since we covered it; the dashed stretch is before we first covered it, the solid line since. figures at coverage are the numbers we printed then (approx.), current count is live.

understory

Deep in the understory, shipping hard, still flying under the radar.

+34 understory score output 100 · clout 66
Aug 2025 Jul 2026
  • output, commits & releases
  • clout, star velocity

output = commits & releases; clout = star velocity, both 0 to 100 monthly indices; the gap where output runs above clout is the understory. The understory →

covered in

  • PR#37 2026-07-01 below the radar

    Meta’s design system, rebuilt as one system for humans and agents

similar projects

compare these →
  • 🦀 OpenClaw

    32× the stars

    Your own personal AI assistant. Any OS. Any Platform. The lobster way. 🦞

    386k ACTIVE
  • 🥧 pi-mono

    7.6× the stars

    AI agent toolkit: unified LLM API, agent loop, TUI, coding agent CLI

    91k ACTIVE
  • 📎 paperclip

    6.5× the stars

    The open-source app everyone uses to manage agents at work

    78k ACTIVE

comments

Sign in with GitHub to add your blip on astryx.

loading comments…