We introduced Docker Sandboxes in experimental preview a few months ago.Today, we’re launching the next evolution with microVM isolation, available now on macOS.Windows and Linux support is coming soon. We started Docker Sandboxes to answer the question:

How do I run Claude Code or Gemini CLI safely?

Sandboxes provide disposable, isolated environments purpose-built for coding agents.Each agent runs in an isolated version of your development environment, so when it installs packages, modifies configurations, deletes files, or runs Docker containers, your host

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