An update for builders using Codex on Windows:
We’ve built a new sandbox mode using @Microsoft’s Execution Containers (MXC) for faster setup, stronger network enforcement, and granular file access controls.
Requires a compatible Windows 11 device. https://t.co/VsMQe3gl1P
Codex on Windows gets a sandboxAn isolated environment where AI-generated code or agent actions run without being able to touch anything real.Full definition → with stronger network enforcement and granular file permissions, which changes what you can safely let an AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition → do locally. It needs a compatible Windows 11 device.
Terms in this piece · Glossary
sandbox — An isolated environment where AI-generated code or agent actions run without being able to touch anything real.
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
