Agent Sandbox review
agent-sandbox enables easy management of isolated, stateful, singleton workloads, ideal for use cases like AI agent runtimes and reinforcement learning (RL).
- 4.5kGitHub stars
- +90new stars, week of Oct 25
- #4in Sandboxes and runtimes this week
Agent Sandbox at a glance
- Category
- Sandboxes and runtimes
- Website
- agent-sandbox.sigs.k8s.io
Is Agent Sandbox growing? Usage data
In the week of Oct 25–31, 2026, Agent Sandbox ranked #129 on the Devtoolwatch Board and #4 in Sandboxes and runtimes, with a momentum score of 57 out of 100.
Show the weekly numbers
| Week of | New stars |
|---|---|
| Aug 9, 2026 | 76 |
| Aug 16, 2026 | 62 |
| Aug 23, 2026 | 86 |
| Aug 30, 2026 | 69 |
| Sep 6, 2026 | 77 |
| Sep 13, 2026 | 135 |
| Sep 20, 2026 | 85 |
| Sep 27, 2026 | 101 |
| Oct 4, 2026 | 85 |
| Oct 11, 2026 | 84 |
| Oct 18, 2026 | 86 |
| Oct 25, 2026 | 90 |
The Board ranks tools by four signals each week: new stars, new stars for the repo's size, added downloads and download growth beyond the market. How the ranking works.
Agent Sandbox alternatives
Other AI sandboxes and runtimes on the Board in the week of Oct 25–31, 2026, by momentum:
| Rank | Tool | Stars | Downloads/wk |
|---|---|---|---|
| #1 | OpenSandboxOpenSandbox is a sandbox runtime that gives AI agents isolated environments to run code, commands, files, browsers, and desktops on your… | 16.3k | 328.9k |
| #2 | microsandboxmicrosandbox is a local-first microVM runtime and library for running untrusted workloads like AI agents, user code, and CI jobs in… | 8.9k | 26.8k |
| #3 | E2BE2B is open-source infrastructure for running AI-generated code in secure, isolated cloud sandboxes, controlled through JavaScript and… | 14.6k | 5M |
| #5 | Trigger.devTrigger.dev is an open-source TypeScript platform for building and deploying durable AI agents, workflows, and long-running background… | 16.7k | 1.7M |
| #6 | InngestInngest is a workflow orchestration platform for running durable step functions, background jobs, and AI workflows on serverless,… | 6k | 3.7M |
| #7 | Cloudflare Sandbox SDKCloudflare Sandbox SDK runs untrusted or generated code in per-user Linux sandboxes built on Cloudflare Durable Objects and Containers. | 1.2k | 1.2M |
Agent Sandbox FAQ
How popular is Agent Sandbox?
Agent Sandbox has 4.5k GitHub stars as of Nov 1, 2026. It gained 90 new stars in the week of Oct 25–31, 2026, against a 12-week average of 86 a week. That made it #4 among AI sandboxes and runtimes on the Devtoolwatch Board.
What are the best alternatives to Agent Sandbox?
Other AI sandboxes and runtimes on the Devtoolwatch Board in the week of Oct 25–31, 2026, by momentum: OpenSandbox (#1), microsandbox (#2), E2B (#3), Trigger.dev (#5), Inngest (#6). The alternatives table above has their numbers.
Sources
Agent Sandbox README badge
Maintainers can show the tool's weekly Board rank in their README:
[](https://index.devtoolwatch.com/tools/kubernetes-sigs-agent-sandbox/)How this page is made: Devtoolwatch writes each review from the project's README, releases, package metadata and website, with an AI model, then checks every claim against the source it cites and drops what the sources don't support. The numbers come from Devtoolwatch's daily GitHub snapshots, GitHub's stargazer history, and the npm and PyPI download APIs. Spotted an error? Email [email protected].