Sandbox0 gives AI agents isolated cloud computers with a durable writable root filesystem, incremental checkpoints, and on-demand resume. Preserve installed tools, system configuration, repositories and generated files across successful checkpoints. Run commands, manage files and control networking through Python, JavaScript/TypeScript and Go SDKs or the s0 CLI. Sandbox0 Cloud is managed; the current runtime is closed source. Default pause/resume preserves files and starts fresh processes. Disclosure: submitted on behalf of Sandbox0 with AI assistance using official documentation.