@mastra/e2b

@mastra/e2b

E2B cloud sandbox provider for Mastra workspaces. Provides secure, isolated code execution environments with support for mounting cloud storage.

Installation

npm install @mastra/e2b

Usage

import { Agent } from '@mastra/core/agent';
import { Workspace } from '@mastra/core/workspace';
import { E2BSandbox } from '@mastra/e2b';

const workspace = new Workspace({
  sandbox: new E2BSandbox({
    apiKey: 'my-api-key', // falls back to E2B_API_KEY env var
    timeout: 60_000, // 60 second timeout (default: 5 minutes)
  }),
});

const agent = new Agent({
  name: 'my-agent',
  model: 'anthropic/claude-opus-4-5',
  workspace,
});

Documentation

• E2B integration guide
• Workspace documentation

Changelog

See the package changelog for version history and release notes.

Support

We have an open community Discord. Come and say hello and let us know if you have any questions or need any help getting things running.