← all releases
Tencent Cloud·Aug 29, 2026·v0.7.0·open source
CubeSandbox
CubeSandbox is a high-performance, secure sandbox service designed for AI agents, built on RustVMM and KVM. It provides hardware-level isolation with sub-60ms startup times and ultra-low memory overhead, enabling high-density deployment for AI workloads.
featured on blogAI AgentsSandboxMicroVMInfrastructure
on the blogTencent AI Releases CubeSandbox v7 with Cross-Node State Persistence 4 min
overview
CubeSandbox is a high-performance, secure sandbox service designed for AI agents, built on RustVMM and KVM. It provides hardware-level isolation with sub-60ms startup times and ultra-low memory overhead, enabling high-density deployment for AI workloads.
key features
- 01Sub-60ms cold start performance using snapshot cloning
- 02Hardware-level isolation via dedicated MicroVM kernels
- 03E2B SDK compatibility for seamless migration
- 04High-density deployment with <5MB memory overhead per sandbox
- 05Advanced state management with CubeCoW snapshotting and rollback
- 06eBPF-based network security and L7 security proxy
related productsbrowse all →
AIO Sandboxopen sourceAIO Sandbox is an integrated environment designed for AI agents, combining a browser, terminal, filesystem, VSCode, Jupyter, and MCP Server into a single Docker container. This unified setup allows seamless development and execution of AI agents without the need for multiple services.Fractalsopen sourceFractals is an open-source recursive agentic task orchestrator developed by TinyAGI. It enables the decomposition of high-level tasks into self-similar trees of executable subtasks, which are then executed by an agent swarm in isolated git worktrees.MiroThinkeropen sourceMiroThinker is an open-source search agent model developed by MiroMindAI, designed for tool-augmented reasoning and real-world information seeking. It aims to match the deep research capabilities of leading AI models like OpenAI's Deep Research and Google's Gemini Deep Research.