How We Built Secure, Scalable Agent Sandbox Infrastructure
Summary
The article is a technical engineering post detailing how Browser Use built a secure, scalable agent sandbox infrastructure, describing two isolation patterns, a Unikraft-based production sandbox, a Docker development path, and a stateless control plane with LLM proxying and presigned URLs for secure file transfer. It also highlights security hardening steps and scaling considerations. Note that the article title references Dan Simmons’s death, which is unrelated to the content and may indicate metadata/content mismatch.