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Cloudflare Sandbox SDK (Preview)

Skill

Spin up isolated Linux sandboxes from Workers on the Sandbox SDK 1.0 preview, with guardrails

by CloudflareCoding & Dev ToolsAgents & Automation Listed Dec 10, 2025

Clone or download it from github.com, then drop the folder into ~/.claude/skills/ (Claude Code) or your agent's skills directory.

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About Cloudflare Sandbox SDK (Preview)

For building apps that run untrusted or agent-written code in isolated Linux containers, driven from a Cloudflare Worker. This skill targets the @cloudflare/sandbox@next 1.0 preview line, which Cloudflare now recommends for new projects.

Before writing anything it checks that your package and container image are actually on the preview line, then points the agent to the right docs and types. Sister skills in the pack cover the stable package and porting from stable to preview.

Part of the official cloudflare/skills pack.

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