Dev Tools
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View guide →// devtools · e2b-dev/runtime
runtime
runtime is an open-source dev tools project by e2b-dev (e2b-dev/runtime on GitHub). It has 1,672 GitHub stars and 458 forks, is released under the Apache-2.0 license, and was last updated on GitHub on 3 October 2026.
The sandbox runtime behind E2B — run AI-generated code safely anywhere.
💎 Hidden gem★ 1.7k stars⑂ 458 forksApache-2.0updated 2026-10
▦ visual — this project's README ships no embeddable screenshot,
so here's a placeholder. The guide below is complete regardless.
so here's a placeholder. The guide below is complete regardless.
// project facts
Project facts
- Repository
- e2b-dev/runtime
- GitHub stars
- 1,672
- Forks
- 458
- License
- Apache-2.0
- Last updated on GitHub
- 3 October 2026
- Category
- Dev Tools
- Listing
- Hidden gem — a shorter page for a lesser-known project
- Official site
- Official site
// how it works
How it works
- Install the runtime
Set up the sandbox runtime on your own machine or server.
- Define sandbox templates
Configure the environments your agents will run code in.
- Launch sandboxes on demand
Spin up isolated environments programmatically.
- Run agent workloads
Execute code, tools, and browser sessions inside the sandbox.
// features
Why people love it
Isolated sandboxes
Untrusted AI-generated code runs safely contained.
Cloud parity
Same runtime as E2B Cloud and Enterprise.
Self-hostable
Run the full stack on your own infrastructure.
Agent-ready API
Designed for AI agents that execute code and tools.
On-demand scaling
Spin sandboxes up and down programmatically.
Open source
Apache 2.0 — inspect and extend the runtime.
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// run it
Run it yourself
- Step 1 — Clone the repo
Download the source and move into the project folder.
git clone https://github.com/e2b-dev/runtime.git cd runtime - Step 2 — Check the README
Every project documents its own setup; start with install requirements.
cat README.md | head -60 - Step 3 — Run it
Follow the project's launch command — Docker, pip, npm, or a binary release.
# see README for the exact launch command
// use cases
What you can build
- Give AI agents a safe place to execute generated code.
- Self-host E2B-compatible sandboxes on your infrastructure.
- Build code-interpreter features without cloud lock-in.
- Isolate browser and tool use for automation agents.
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// faq
Questions, answered
Is runtime free for commercial use?
Apache 2.0 licensed — commercial use allowed with attribution.
How is this different from E2B Cloud?
This is the open-source runtime itself; the cloud adds managed hosting and scale.
What does it take to self-host?
Check the README — sandbox runtimes typically need Docker and system-level setup.
Which languages can sandboxes run?
The runtime supports configured templates; see the docs for the defaults.
Is it production-ready?
It backs E2B's commercial products, which suggests serious hardening — verify against your threat model.
// keep exploring
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Get runtime
Free and open — grab the source, star the repo, and start creating.