CubeSandbox
CubeSandbox is a sandbox service that runs AI agent code in isolated virtual machines for developers who need safe code execution.
What it is good for
- Running untrusted code from AI agents safely
- Starting many isolated code environments quickly
- Controlling which websites and credentials an agent can reach
At a glance
- Who it is for
- Setup
- Requires programming
Level 5 of 5. You need to write code to use it.
- Cost
- Free and open source
- Type
- Other
- Tasks
- Works with
- E2B SDK, Terraform, Kubernetes
Momentum
- Rank this week
- Not ranked yet
- Best rank
- None yet
- GitHub stars
- 13,131
GitHub numbers as of Nov 2, 2026. Updated weekly.
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is CubeSandbox free?
- Yes. It is free and open source.
- Do I need to know how to code to use CubeSandbox?
- Yes. You need to write code to use it.
- What does CubeSandbox work with?
- According to its own documentation, it works with E2B SDK, Terraform, and Kubernetes.
- What is CubeSandbox good for?
- Running untrusted code from AI agents safely, starting many isolated code environments quickly, and controlling which websites and credentials an agent can reach.
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