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What is E2B?

E2B provides isolated sandboxes that let agents safely execute code, process data, and run tools. Our SDKs make it easy to start and manage these environments. Start a sandbox and run code in a few lines: 
npm i e2b

import { Sandbox } from 'e2b'

const sandbox = await Sandbox.create() // Needs E2B_API_KEY environment variable
const result = await sandbox.commands.run('echo "Hello from E2B Sandbox!"')
console.log(result.stdout)

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E2B building blocks

A quick overview of the core building blocks you’ll interact with when using E2B.
  • Sandbox — A fast, secure Linux VM created on demand for your agent
  • Template — Defines what environment a sandbox starts with

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How to use the docs

The documentation is split into three main sections:
  • Quickstart — Step-by-step tutorials that walk you through creating your first E2B sandboxes.
  • Examples — In-depth tutorials focused on specific use cases. Pick the topics that match what you’re building.
  • SDK Reference — A complete technical reference for every SDK method, parameter, and configuration option.

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Quickstart

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Examples

Computer Use

Build AI agents that see, understand, and control virtual Linux desktops using E2B Desktop sandboxes.

GitHub Actions CI/CD

Use E2B sandboxes in your GitHub Actions workflows to run testing, validation, and AI code reviews.