NEW RUNTIME

Topic hub

Sandboxes

A New Runtime topic hub collecting signals, patterns, field notes, and public sources about sandboxes.

Short answer

  • Sandboxes is tracked here as an evidence-linked topic, not as a static glossary entry.
  • The page connects raw observations to pattern hypotheses, longer analysis, and public sources.
  • Use it as the canonical landing page before drilling into individual records.

Raw signals

Recent observations

5 signals

  1. CubeSandbox packages agent execution into isolated microVMs

    CubeSandbox provides open-source KVM microVM isolation, lifecycle controls, and per-agent Linux environments.

  2. TryCase gives coding agents disposable Linux verification

    TryCase creates short-lived Linux environments where agents can run generated code and tests away from the developer's machine.

  3. agentOS packages a lightweight runtime for coding agents

    Rivet's agentOS combines isolated execution, durable workflows, resource limits, and host-side secrets in a WebAssembly and Rust runtime.

  4. Claude Managed Agents Productize the Production Runtime

    Managed infrastructure bundles execution, observability, persistence, and isolation around long-running agent workloads.

  5. The Computer Becomes a Runtime Assigned to the Agent

    Giving each agent an isolated machine turns browser, shell, files, and installed software into controlled execution infrastructure.