What are Deno Sandboxes?

Deno Sandboxes are secure, isolated Linux microVMs powered by Firecracker (the same technology as AWS Lambda) that allow you to run untrusted code without risking the security of your host system.

Does it support Deno Deploy?

Absolutely. The Deno Sandbox SDK is designed to work seamlessly within the Deno Deploy environment, making it easy to build cloud-native secure execution services.

Can I use Deno Sandboxes for AI agent tools?

Yes, it is a primary use case. It allows AI agents like Claude to generate and execute code safely by wrapping the execution in a sandbox with restricted permissions.

How do I manage the sandbox lifecycle?

The skill supports the 'await using' pattern, which automatically disposes of the sandbox and its resources as soon as the execution scope ends, preventing resource leaks.

Deno Secure Sandboxes

Name: Deno Secure Sandboxes
Author: donjo

bydonjo

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安全与测试

Executes untrusted code in secure, isolated Linux microVMs for AI agents and multi-tenant applications.

Deno Secure Sandboxes provide a robust interface for managing isolated execution environments powered by Firecracker microVM technology. This skill allows developers to safely run untrusted user submissions or AI-generated scripts with dedicated CPU, memory, and disk space, ensuring complete isolation from the host system. It is essential for building code playgrounds, automated testing suites, and AI-driven tool execution systems where security, resource containment, and rapid startup times are paramount.

主要功能

01Firecracker microVM isolation for secure code execution

02Configurable resource limits for CPU, memory, and disk

03Seamless integration with Deno Deploy for cloud scaling

042 GitHub stars

05Automatic lifecycle management with 'await using' syntax

06Full Deno and TypeScript runtime support in-sandbox

使用场景

01Building secure online code playgrounds and REPLs

02Running multi-tenant automated tests in isolated environments

03Executing AI-generated scripts for tool-use and data analysis

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add donjo/denoland deno-sandbox

For use in Claude.ai and ChatGPT

Download Skill