Build or maintain Cloudflare Sandbox apps on the stable @cloudflare/sandbox package. Use sandbox-next for preview apps and sandbox-migrate-to-next for stable-to-preview migrations.
Install
npx skills add cloudflare/skills --skill sandbox-stablenpx skills add cloudflare/skills --skill sandbox-stable -a claude-code -gnpx skills add cloudflare/skills --skill sandbox-stable -a codex -ggemini skills install https://github.com/cloudflare/skills.git --path skills/sandbox-stablegh skill install cloudflare/skills sandbox-stablegit clone --depth 1 https://github.com/cloudflare/skills /tmp/cloudflare__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/cloudflare__skills/skills/sandbox-stable ~/.claude/skills/sandbox-stable # Claude Code
cp -R /tmp/cloudflare__skills/skills/sandbox-stable ~/.agents/skills/sandbox-stable # Codex, Cursor, Gemini CLI, Copilot, OpenCode