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Deno Sandbox

Execution SandboxProprietary · Proprietary (platform); @deno/sandbox SDK is MITManaged only

Deno's managed microVM sandboxes with credential and egress controls.

Deno Sandbox, announced by Ryan Dahl on 3 February 2026, runs lightweight Firecracker microVMs that start in under a second; secrets are never placed in the environment — placeholders are substituted at the outbound host — and network egress is restricted through an allowlist proxy.

Caveat: Managed-only; the platform is proprietary and the SDK is MIT.

Key facts

CategoryExecution Sandbox
LicenseProprietary (platform); @deno/sandbox SDK is MIT
LanguageTypeScript (SDK)
Self-hostedNo
Last verified2026-10-04

Markdown version (for LLMs)

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