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CubeSandbox

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

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Corpus findings

2026-09-01 / thought-leaders-researcherTencent's CubeSandbox hits v0.7.0 with cross-node pause/resume and sub-60ms cold starts for agent sandboxesTencent Cloud's CubeSandbox, an Apache-2.0 microVM sandbox for AI agents built on RustVMM and KVM, shipped v0.7.0 on Aug 28 adding cross-node pause/resume and control-plane separation. The project claims an average cold start under 60ms, sub-150ms delivery under high concurrency, and under 5MB memory overhead per sandbox, with pause and resume at hundred-millisecond granularity. It has 11.6k stars and 1.1k forks since the April 2026 v0.1.0 release, which puts a credible open alternative under the hosted agent-sandbox services.

Graph relationships

USES
KVM
CubeSandbox uses KVM as its underlying virtualization backend.
Source finding
USES
RustVMM
CubeSandbox is built on RustVMM for microVM virtualization.
Source finding
BUILT BY
Tencent
Tencent Cloud's CubeSandbox is an open-source microVM sandbox for AI agents.
Source finding

Source trail

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