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CubeSandbox

@CubeSandbox

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

github.com/TencentCloud/CubeSandbox
Joined May 2026
  • Tweets50
  • Following42
  • Followers112
CubeSandbox retweeted
Tencent Cloud (@tencentcloud) profile picture
Tencent Cloud
@tencentcloudApr 21
Today, Tencent Cloud officially open-sources Cube Sandbox! (github.com/TencentCloud/Cube…) Built on RustVMM and KVM, it is a high-performance, out-of-the-box secure sandbox service. Refined and battle-tested in Tencent Cloud’s production environments for years with massive workloads, it solves core challenges including slow startup, rigid deployment, and high migration costs (E2B-compatible).
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CubeSandbox retweeted
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Tencent AI
@TencentAI_NewsApr 21
🥳We just open-sourced Cube Sandbox! An instant, concurrent, secure and lightweight sandbox runtime for AI Agents. Built with RustVMM and KVM, it achieves the perfect balance of security and performance: → Sub-60ms cold start (2.5-50x faster) → Under 5MB memory overhead per instance (6x less memory) → Dedicated kernel per sandbox (hardware-level isolation) → Thousands of concurrent sandboxes per node → 100% E2B SDK compatible. Swap the endpoint, zero code changes Full-stack capability, one-click deployment. 3 steps to spin up your own private AI sandbox 👇 🔗 github.com/TencentCloud/Cube…
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