Run untrusted or AI-generated code in ephemeral Firecracker microVMs with @vercel/sandbox. Create a VM, run commands, read/write files, expose ports, snapshot and resume. Use for AI agents, code execution, builds, and isolated experimentation.
Install
npx skills add vercel/vercel-plugin --skill vercel-sandboxnpx skills add vercel/vercel-plugin --skill vercel-sandbox -a claude-code -gnpx skills add vercel/vercel-plugin --skill vercel-sandbox -a codex -ggemini skills install https://github.com/vercel/vercel-plugin.git --path skills/vercel-sandbox/upstreamgh skill install vercel/vercel-plugin vercel-sandboxgit clone --depth 1 https://github.com/vercel/vercel-plugin /tmp/vercel__vercel-plugin
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/vercel__vercel-plugin/skills/vercel-sandbox/upstream ~/.claude/skills/vercel-sandbox # Claude Code
cp -R /tmp/vercel__vercel-plugin/skills/vercel-sandbox/upstream ~/.agents/skills/vercel-sandbox # Codex, Cursor, Gemini CLI, Copilot, OpenCode