Key takeaways

  • Harbor can now run every eval task in Docker Sandboxes
  • Docker Sandboxes are MicroVM environments to run agents like Claude Code, Codex, Cursor, and more safely
  • With Sandboxes, define custom network policies for fair, reproducible evals
  • Run your evals locally or in the cloud:starting for free on Docker Sandboxes on local surfaces and scaling to Cloud Sandboxes
To evaluate an agent, you give it a real

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