How we contain Claude across products

Summary

Anthropic published a detailed overview of their sandbox techniques for Claude.ai, Claude Code, and Cowork, using process sandboxes, VMs, filesystem boundaries, and egress controls to constrain agent actions.

Why it matters

A well-documented approach to sandboxing AI products

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Simon Willison

How we contain Claude across products

6/6/2026, 1:19:37 AM

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