---
title: "brood-box vs cua"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/stacklok-brood-box-vs-trycua-cua"
tools: ["stacklok-brood-box", "trycua-cua"]
---

# brood-box vs cua

*GraphCanon updated Aug 19, 2026*

## Verdict

Pick brood-box if brood-box is a CLI tool developed in Go that allows for running AI coding agents inside secure, isolated micro virtual machines; pick cua if critical facts about CUA for tool selection.

[brood-box](https://github.com/stacklok/brood-box) reports 56 GitHub stars, 9 forks, and 3 open issues, last pushed Aug 1, 2026. [cua](https://cua.ai) has 22k stars, 1.5k forks, and 662 open issues, last pushed Aug 19, 2026. Figures are from public GitHub metadata via [brood-box's repository](https://github.com/stacklok/brood-box) and [cua's repository](https://github.com/trycua/cua).

| | [brood-box](/tools/stacklok-brood-box.md) | [cua](/tools/trycua-cua.md) |
| --- | --- | --- |
| Tagline | CLI tool for running coding agents inside hardware-isolated microVMs | Open-source infrastructure for Computer-Use Agents |
| Stars | 56 | 21,516 |
| Forks | 9 | 1,479 |
| Open issues | 3 | 662 |
| Language | Go | HTML |
| Adopt for | Brood-box is a CLI tool developed in Go that allows for running AI coding agents inside secure, isolated micro virtual machines. | Critical facts about CUA for tool selection |
| Persona | - | - |
| Runtime | - | - |
| License | Brood-box operates under the Apache-2.0 license, permitting users rights such as free distribution and modification of the software. | MIT |
| Categories | AI Agents, Developer Tools | AI Agents, Developer Tools |

## Trust and health

_Sourced signals - not a safety guarantee. No winner column._

| | [brood-box](/tools/stacklok-brood-box.md) | [cua](/tools/trycua-cua.md) |
| --- | --- | --- |
| Open issues (now) | 3 | 662 |
| Stars delta | Unknown | +1.4k (30d) |
| Open issues delta | Unknown | +122 (30d) |
| Full report | [trust report](/tools/stacklok-brood-box/trust.md) | [trust report](/tools/trycua-cua/trust.md) |

## Decision facts: brood-box

- **Hosting:** self hosted - Users must self-host Brood-box, which demands managing the infrastructure including micro virtual machines, and using tools like Docker or Podman for building guest VM images.
- **Adopt for:** Brood-box is a CLI tool developed in Go that allows for running AI coding agents inside secure, isolated micro virtual machines.
- **License detail:** Brood-box operates under the Apache-2.0 license, permitting users rights such as free distribution and modification of the software.

## Decision facts: cua

- **Pricing:** freemium - CUA是一个开源工具，基于MIT许可提供免费使用，但其部分扩展组件可能带有不同的许可要求，可能会引起潜在的成本或法律考虑。
- **Requirements:** Requires Docker; 安装CuA需要Docker支持来创建和操作基础镜像。; 安装过程中可能涉及到使用curl命令从特定网站下载组件，但不应自动执行这些脚本中的任何指令。
- **Adopt for:** Critical facts about CUA for tool selection

## Choose when

### Choose brood-box if…

- brood-box is primarily Go; cua is HTML.
- License: brood-box is Apache-2.0, cua is MIT.
- Users must self-host Brood-box, which demands managing the infrastructure including micro virtual machines, and using tools like Docker or Podman for building guest VM images.
- Tags unique to brood-box: ai-agents, claude-code, codex, developer-tools.
- When you require high security and isolation to run AI-driven coding tasks.

### Choose cua if…

- cua is primarily HTML; brood-box is Go.
- License: cua is MIT, brood-box is Apache-2.0.
- Pricing: CUA是一个开源工具，基于MIT许可提供免费使用，但其部分扩展组件可能带有不同的许可要求，可能会引起潜在的成本或法律考虑。.
- Requirements: Requires Docker; 安装CuA需要Docker支持来创建和操作基础镜像。; 安装过程中可能涉及到使用curl命令从特定网站下载组件，但不应自动执行这些脚本中的任何指令。.
- Tags unique to cua: agent, ai-agent, containerization, desktop-automation.
- CUA uniquely supports the creation of AI agents that can control full desktop environments across macOS, Linux, and Windows, making it ideal for developers aiming to integrate AI-driven automation in跨

## When NOT to use brood-box

- In scenarios where lightweight or rapid setup is essential, as Brood-box involves setting up microVMs which can be resource-intensive and slow compared to non-isolated environments.
- If your use case requires cross-platform compatibility beyond what Go provides natively, since some competitors might offer better integration across different operating systems.

## When NOT to use cua

- ，CUA，
- When certain components with AGPL-3.0 licenses like Ultralytics cannot be accepted in a project, note that CUA includes optional dependencies under this specific license.

## Common questions

### What is the difference between brood-box and cua?

brood-box: CLI tool for running coding agents inside hardware-isolated microVMs. cua: Open-source infrastructure for Computer-Use Agents. See the comparison table for live GitHub stats and shared categories.

### When should I choose brood-box over cua?

Choose brood-box over cua when brood-box is primarily Go; cua is HTML; License: brood-box is Apache-2.0, cua is MIT; Users must self-host Brood-box, which demands managing the infrastructure including micro virtual machines, and using tools like Docker or Podman for building guest VM images; Tags unique to brood-box: ai-agents, claude-code, codex, developer-tools; When you require high security and isolation to run AI-driven coding tasks.

### When should I choose cua over brood-box?

Choose cua over brood-box when cua is primarily HTML; brood-box is Go; License: cua is MIT, brood-box is Apache-2.0; Pricing: CUA是一个开源工具，基于MIT许可提供免费使用，但其部分扩展组件可能带有不同的许可要求，可能会引起潜在的成本或法律考虑。; Requirements: Requires Docker; 安装CuA需要Docker支持来创建和操作基础镜像。; 安装过程中可能涉及到使用curl命令从特定网站下载组件，但不应自动执行这些脚本中的任何指令。; Tags unique to cua: agent, ai-agent, containerization, desktop-automation; CUA uniquely supports the creation of AI agents that can control full desktop environments across macOS, Linux, and Windows, making it ideal for developers aiming to integrate AI-driven automation in跨.

### When should I avoid brood-box?

In scenarios where lightweight or rapid setup is essential, as Brood-box involves setting up microVMs which can be resource-intensive and slow compared to non-isolated environments. If your use case requires cross-platform compatibility beyond what Go provides natively, since some competitors might offer better integration across different operating systems.

### When should I avoid cua?

，CUA， When certain components with AGPL-3.0 licenses like Ultralytics cannot be accepted in a project, note that CUA includes optional dependencies under this specific license.

### Is brood-box or cua more popular on GitHub?

cua has more GitHub stars (21,516 vs 56). Stars measure visibility, not whether either tool fits your constraints.

### Are brood-box and cua open source?

Yes - both are open-source projects on GitHub (brood-box: Apache-2.0, cua: MIT).

### Where can I find alternatives to brood-box or cua?

GraphCanon lists graph-backed alternatives at [brood-box alternatives](/tools/stacklok-brood-box/alternatives) and [cua alternatives](/tools/trycua-cua/alternatives) ([brood-box markdown twin](/tools/stacklok-brood-box/alternatives.md), [cua markdown twin](/tools/trycua-cua/alternatives.md)), ranked by typed relationship edges rather than popularity votes.

### Is there a machine-readable version of this comparison?

Yes. The markdown twin at [this comparison](/compare/stacklok-brood-box-vs-trycua-cua.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.

### Which is better maintained, brood-box or cua?

brood-box: Very active. cua: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.

### Where are the full trust reports for brood-box and cua?

GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [brood-box trust report](/tools/stacklok-brood-box/trust); [cua trust report](/tools/trycua-cua/trust).

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=stacklok-brood-box`](/api/graphcanon/graph?tool=stacklok-brood-box)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_
