Vercel Sandbox Offers Isolated MicroVMs to Safely Run AI-Generated Code

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Vercel Sandbox runs untrusted code, including AI-generated scripts, inside ephemeral Firecracker microVMs that are fully isolated from the host application's process, filesystem, and environment variables. Each sandbox is created on demand, executes the required commands, and is discarded afterward, preventing any persistent access or state leakage. Unlike running code via child_process or eval within a Vercel Function, the sandbox approach ensures that compromised or malicious code cannot access API keys, database URLs, or other secrets. Developers can configure per-sandbox timeouts and CPU limits, and expose running servers on public URLs for live previews of AI-generated components. Vercel Sandbox is intended specifically for untrusted, externally authored code rather than first-party build or CI pipelines.

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ProgrammingDEV Community ·

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