Instant, Concurrent, Secure & Lightweight Sandbox Service for AI Agents

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Cube Sandbox is a high-performance, out-of-the-box secure sandbox service built on RustVMM and KVM. It supports both single-node deployment and easy scaling to multi-node clusters. It is compatible with the E2B SDK and can create a hardware-isolated, fully serviceable sandbox in under 60ms with less than 5MB of memory overhead.

	v0.7: Cross-node pause/resume, control plane & ops separation, faster sandbox networking Cross-node pause/resume — with an S3 backend, suspend a sandbox on one node and resume it on another, or create sandboxes from snapshots (preview) Control plane & operations separation — node management moves into CubeOps with multi-replica deployment and the new cubeopscli Changelog →
	v0.6: K8s deploy, Volume framework, template aliases K8s deploy — Deploy Cube control-plane components and compute nodes on Kubernetes Volume framework — E2B-compatible Volume framework that lets users plug in custom backend storage Template aliases — Set an alias when creating a template, and create sandboxes by specifying that alias. Changelog → · K8s deploy → · Volume plugin →
	v0.5: AutoPause, Terraform deployer, ARM64 & network policy hardening AutoPause/AutoResume — idle sandboxes auto-suspend and wake on the next request. Terraform one-click cluster deploy ARM64 native full-stack support network policy hardening — per-sandbox traffic tokens, policy-routing egress. Changelog → · Terraform deploy →
	v0.4: Safer egress, easier ops