# 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).

Devtoolwatch Board, the week of Oct 25–31, 2026. Canonical page: https://index.devtoolwatch.com/tools/kubernetes-sigs-agent-sandbox/

## Agent Sandbox at a glance

- **Category:** [Sandboxes and runtimes](https://index.devtoolwatch.com/categories/sandboxes-and-runtimes/)
- **Website:** [agent-sandbox.sigs.k8s.io](https://agent-sandbox.sigs.k8s.io)

## Usage data (the week of Oct 25–31, 2026)

- Board rank: #129 overall, #4 in Sandboxes and runtimes, momentum score 57
- New GitHub stars per week (last 12 weeks): Aug 9: 76; Aug 16: 62; Aug 23: 86; Aug 30: 69; Sep 6: 77; Sep 13: 135; Sep 20: 85; Sep 27: 101; Oct 4: 85; Oct 11: 84; Oct 18: 86; Oct 25: 90

## Agent Sandbox alternatives

| Rank | Tool | Stars | Downloads/wk |
|---|---|---|---|
| #1 | [OpenSandbox](https://index.devtoolwatch.com/tools/opensandbox-group-opensandbox/) | 16.3k | 328.9k |
| #2 | [microsandbox](https://index.devtoolwatch.com/tools/microsandbox/) | 8.9k | 26.8k |
| #3 | [E2B](https://index.devtoolwatch.com/tools/e2b/) | 14.6k | 5M |
| #5 | [Trigger.dev](https://index.devtoolwatch.com/tools/trigger-dev/) | 16.7k | 1.7M |
| #6 | [Inngest](https://index.devtoolwatch.com/tools/inngest/) | 6k | 3.7M |
| #7 | [Cloudflare Sandbox SDK](https://index.devtoolwatch.com/tools/cloudflare-sandbox/) | 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

1. [Devtoolwatch Board, the week of Oct 25–31, 2026](https://index.devtoolwatch.com/)