cua vs registry
cua and registry are both agent infrastructure. cua is Open-source infrastructure for Computer-Use Agents. Sandboxes, SDKs, and benchmarks to train and evaluate AI agents that can control full d…, while registry is a community driven registry service for Model Context Protocol (MCP) servers. Here's an independent, side-by-side look at how they compare — and which fits.
Open-source infrastructure for Computer-Use Agents. Sandboxes, SDKs, and benchmarks to train and evaluate AI agents that can control full d…
Visit cua →
A community driven registry service for Model Context Protocol (MCP) servers.
Visit registry →cua and registry are both open-source agent infrastructure you can self-host for free. cua has wider GitHub adoption — 19k stars vs 7.0k. Neither is universally better — pick by fit.
Side by side
| Spec | cua | registry |
|---|---|---|
| Type | Infrastructure | Infrastructure |
| Model | Open source | Open source |
| Pricing | Open source | Open source |
| GitHub stars | 19,499 | 6,998 |
| Language | HTML | Go |
| License | MIT | — |
| Last activity | Jul 2026 | Jul 2026 |
Key differences
- cua has wider GitHub adoption — 19k stars vs 7.0k.
- cua is written primarily in HTML; registry in Go.
you want the more widely-adopted project (19k GitHub stars).
your team works primarily in Go.
About cua
Open-source infrastructure for Computer-Use Agents. Sandboxes, SDKs, and benchmarks to train and evaluate AI agents that can control full desktops (macOS, Linux, Windows).
Full cua profile →About registry
A community driven registry service for Model Context Protocol (MCP) servers.
Full registry profile →Frequently asked
- What's the main difference between cua and registry?
- cua has wider GitHub adoption — 19k stars vs 7.0k.
- Is cua or registry better?
- Neither is universally better. cua is the stronger fit for the more widely-adopted project (19k stars); registry for teams working primarily in Go. Use the side-by-side specs to decide by your own constraints.
- Is cua or registry free?
- cua is free to run and self-host; registry is free to run and self-host. Both are free to self-host — you only pay for the infrastructure and any model or API usage.
- Which is more popular, cua or registry?
- By GitHub stars — a proxy for open-source adoption — cua is ahead (19k vs 7.0k). Stars measure attention, not necessarily the better fit for you.