@sandboxxjs/sandbox

Multi-language secure execution sandbox for AI Agents.

Installation

npm install @sandboxxjs/sandbox

Quick Start

import { createSandbox } from "@sandboxxjs/sandbox";

const sandbox = createSandbox({
  runtime: "node",
  isolator: "local",
});

const result = await sandbox.execute({
  code: 'console.log("Hello World")',
});

console.log(result.stdout); // "Hello World"

Multi-Language

// Node.js
const sandbox = createSandbox({ runtime: "node", isolator: "local" });

// Python
const sandbox = createSandbox({ runtime: "python", isolator: "local" });

// Bash
const sandbox = createSandbox({ runtime: "bash", isolator: "local" });

Isolators

// Local (child_process)
createSandbox({ isolator: "local" });

// Cloudflare (Docker via binary)
createSandbox({ isolator: "cloudflare" });

// E2B (microVM in cloud)
createSandbox({ isolator: "e2b" });

File System

await sandbox.writeFile("/tmp/file.txt", "data");
const content = await sandbox.readFile("/tmp/file.txt");
const files = await sandbox.fs.list("/tmp");

Resource Limits

const sandbox = createSandbox({
  runtime: "node",
  isolator: "local",
  limits: {
    timeout: 30000,
    memory: 128 * 1024 * 1024,
  },
});

License

MIT