TencentCloud/CubeSandbox: Instant, Concurrent, Secure & Lightweight Sandbox for AI Agents

CubeSandbox is an open-source, high-performance secure sandbox service built on RustVMM and KVM designed for AI agents. It offers sub-millisecond cold starts, hardware-level isolation via MicroVMs, eBPF-based kernel networking, and drop-in compatibility with the E2B SDK. The platform supports single-node deployments and cluster scaling with features like Copy-on-Write snapshots, volume frameworks, and automated pause and resume. Open article →