kapynDev Tools

How we contain Claude across products

Anthropic details its sandboxing techniques for containing Claude across products. The company employs various methods including process sandboxes, VMs, filesystem boundaries, and egress controls to ensure security and prevent exfiltration of sensitive data. This deep dive into their engineering practices offers valuable insights for developers building and deploying AI agents.

Simon Willison·May 30, 2026

Opening Kapyn…