Which Sandbox Should You Use for Your AI Agent?

Let's stop pretending this is a nice-to-have. If you're running an AI agent in 2026 — OpenClaw, a Claude Code clone, a custom LangChain loop, anything that writes code and runs it — the agent is executing untrusted output on your machine. Not "might execute." Is executing. Every pip install , every shell command, every "let me just try this quick fix" is the agent acting on tokens a language model chose. That makes the sandbox question non-negotiable. The only real question left is which sandbox