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Tencent Cloud·Jul 6, 2026·v0.4.0·open source
Cube Sandbox
Cube Sandbox is a high-performance, secure, and lightweight sandbox service designed specifically for AI agents. Built on RustVMM and KVM, it offers hardware-level isolation, sub-60ms cold start speeds, and ultra-low memory overhead to enable massive concurrent execution of AI tasks.
AI AgentsSandboxRustVMMVirtualization
overview
Cube Sandbox is a high-performance, secure, and lightweight sandbox service designed specifically for AI agents. Built on RustVMM and KVM, it offers hardware-level isolation, sub-60ms cold start speeds, and ultra-low memory overhead to enable massive concurrent execution of AI tasks.
key features
- 01Sub-60ms cold start performance with under 5MB memory overhead
- 02Hardware-level isolation using dedicated Guest OS kernels
- 03Native E2B SDK compatibility for drop-in migration
- 04Advanced snapshot, clone, and rollback capabilities via CubeCoW
- 05Secure egress control and credential vault for external API access
- 06Web-based console for cluster, template, and sandbox management
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