Vercel Sandboxes now generally available
Vercel Sandboxes, an ephemeral compute primitive for safely executing untrusted code, is now generally available. It isolates code execution in Firecracker microVMs, preventing access to environment variables, databases, and cloud resources, making it ideal for running AI agent outputs and third-party code safely.
Vercel Sandboxes are now generally available, providing an ephemeral compute primitive for safely executing untrusted code.
It lets teams run AI agent-generated outputs, unverified user uploads, and third-party code without exposing production systems.
Each sandbox runs inside Firecracker microVMs, isolated from your infrastructure, so code running in a sandbox is blocked from accessing environment variables, database connections, and cloud resources.
Sandboxes are in production use by teams including v0, Blackbox AI and RooCode.
To bootstrap a simple Node.js application that creates a Vercel sandbox, use the code below:
Or get started with the CLI by opening an interactive shell:
Explore the to get started, and check out the .documentationopen-source SDK and CLI
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