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e2b-dev

e2b-dev/E2B

Open-source infrastructure for running AI-generated code in isolated cloud sandboxes, with JavaScript and Python SDKs.

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What is it?

E2B is open-source infrastructure for running code produced by AI in secure, isolated sandboxes hosted in the cloud. Developers start and control these sandboxes through its JavaScript/TypeScript and Python SDKs, which let an agent run shell commands and work with a filesystem inside an isolated environment.

On top of the core sandbox, separate packages add a Code Interpreter SDK for executing code snippets with a `runCode()` / `run_code()` call that returns outputs, and a Desktop SDK for controlling a virtual desktop through mouse, keyboard, screenshot and application APIs.

The infrastructure can be self-hosted using Terraform on AWS, Google Cloud, Azure, or a general Linux machine.

Key features

  • 01Starts isolated cloud sandboxes from JavaScript/TypeScript or Python SDKs.
  • 02Runs shell commands and returns stdout from inside a sandbox.
  • 03Executes code snippets and returns their outputs via the Code Interpreter SDK.
  • 04Controls a virtual desktop with mouse, keyboard, screenshot and app-launch APIs.
  • 05Can be self-hosted with Terraform on AWS, GCP, Azure or a generic Linux machine.

Use cases

  • Letting an LLM agent run generated code safely without touching the host system.
  • Building data analysis or code-interpreter features that execute Python in a sandbox.
  • Automating a browser or desktop application for computer-use agents.
  • Hosting an isolated execution environment inside your own cloud account.

Quick start

  1. 1

    Install the Python SDK

    pip install e2b
  2. 2

    Get an E2B API key and set it as an environment variable

  3. 3

    Start a sandbox and run a command

    from e2b import Sandbox

Things to know

  • Running sandboxes requires an E2B API key and a signup to E2B's hosted service.
  • Self-hosting requires deploying the runtime with Terraform on a supported cloud or Linux machine.

Topics

#ai-agents#code-execution#sandbox#llm#python#typescript#cloud#terraform#agent#ai

FAQ

What is E2B?
Open-source infrastructure for running AI-generated code in isolated cloud sandboxes, with JavaScript and Python SDKs. E2B is open-source infrastructure for running code produced by AI in secure, isolated sandboxes hosted in the cloud. Developers start and control these sandboxes through its JavaScript/TypeScript and Python SDKs, which let an agent run shell commands and work with a filesystem inside an isolated environment.
Is E2B free to use? What license does it have?
E2B is open source under the Apache-2.0 license. Check the license terms before using it in commercial products.
Is E2B still maintained?
Actively maintained. The last commit to E2B was on Oct 19, 2026.
What can I use E2B for?
Letting an LLM agent run generated code safely without touching the host system. Building data analysis or code-interpreter features that execute Python in a sandbox. Automating a browser or desktop application for computer-use agents. Hosting an isolated execution environment inside your own cloud account.
How do I install E2B?
Install the Python SDK: pip install e2b Get an E2B API key and set it as an environment variable Start a sandbox and run a command: from e2b import Sandbox
Where can I get E2B?
The source code and installation instructions are on GitHub: https://github.com/e2b-dev/E2B

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