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sandbox-sdk

Runs untrusted scripts in isolated Cloudflare Workers environments.

Updated Jun 4, 2026
Search Tags:#security#cloudflare#sandbox#workers#code-execution#interpreter
One-click install
npx skills add https://github.com/achmf/KostaHub --skill sandbox-sdk-achmf
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: sandbox-sdk
Source: https://github.com/achmf/KostaHub/tree/main/.agents/skills/sandbox-sdk
Command: npx skills add https://github.com/achmf/KostaHub --skill sandbox-sdk-achmf

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires @cloudflare/sandbox, and includes references (resource) components.

What problem does it solve?

This skill solves the challenge of safely executing untrusted code or complex scripts within a production-grade environment by providing isolated, ephemeral containers.

Core Features & Use Cases

  • Secure Code Execution: Run Python, JavaScript, or TypeScript code in a sandboxed environment with rich output support.
  • Shell Command Automation: Execute system-level commands and scripts with full control over the environment and file system.
  • Use Case: Build an AI-powered code interpreter that allows users to run data analysis scripts or test code snippets without risking the security of your primary application infrastructure.

Quick Start

Use the sandbox-sdk to initialize a new python code context and execute a script that calculates the sum of a provided data array.

Frequently Asked Questions about sandbox-sdk

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I securely execute untrusted Python or JavaScript code in Cloudflare Workers?▼

You can securely execute untrusted code in Cloudflare Workers by using the sandbox-sdk to initialize isolated, ephemeral containers. This environment safely runs scripts and shell commands without risking primary application infrastructure.

What is the best way to build an AI code interpreter that runs user-submitted scripts?▼

The best way to build an AI code interpreter is using a sandboxed environment that supports rich output for Python and JavaScript. This approach allows users to run data analysis scripts safely without compromising your production infrastructure.

Does the sandbox-sdk support shell command automation and file system operations?▼

Yes, the sandbox-sdk supports shell command automation and file system operations. It executes system-level commands within an isolated environment, providing full control over the file system for running untrusted scripts and complex automation tasks.

Do I need Durable Objects to run stateful code execution within a Cloudflare sandbox?▼

Yes, you need Durable Objects for stateful code execution within a Cloudflare sandbox. Proper configuration of Durable Objects is required to maintain state and facilitate interactive code interpretation within your Workers environment.

Can I use this sandbox environment to run data analysis scripts generated by AI?▼

Yes, you can use this sandbox environment to run AI-generated data analysis scripts. It provides secure, isolated code execution for Python and JavaScript, allowing users to test code snippets and execute complex scripts safely.

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