e2b

e2b-dev/E2B

Firecracker microVM sandboxes purpose-built for agent tool loops: ~150ms cold start, Python/JS SDKs, open source. The clearest reference implementation of "code execution as a harness primitive" rather than a CI system bolted on

Python Apache-2.0

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Install

pip install e2b

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Platform support

Derived from the project's own README, install route, CI configuration and release assets — not from running it.
PlatformRuns hereOn what evidence
WindowsLikelyInferred from the language or runtime. Nothing in the project says so.
WSL2LikelyInferred from the language or runtime. Nothing in the project says so.
macOSLikelyInferred from the language or runtime. Nothing in the project says so.
LinuxLikelyInferred from the language or runtime. Nothing in the project says so.
DockerNoNo evidence of support anywhere in the project.

Where it came from

Named by 4 of the 39 lists the atlas merges, independently of each other.

How it is classified

One topic, 1 harness. Each link is a prerendered page of everything else in that slice.

Sandbox, Security & GovernanceCodex / OpenAI

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