Add or modify WooCommerce backend PHP code following project conventions. Use when creating new classes, methods, hooks, or modifying existing backend code. **MUST be invoked before writing any PHP unit tests.**
Install
npx skills add woocommerce/woocommerce --skill woocommerce-backend-devnpx skills add woocommerce/woocommerce --skill woocommerce-backend-dev -a claude-code -gnpx skills add woocommerce/woocommerce --skill woocommerce-backend-dev -a codex -ggemini skills install https://github.com/woocommerce/woocommerce.git --path .ai/skills/woocommerce-backend-devgh skill install woocommerce/woocommerce woocommerce-backend-devgit clone --depth 1 https://github.com/woocommerce/woocommerce /tmp/woocommerce__woocommerce
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/woocommerce__woocommerce/.ai/skills/woocommerce-backend-dev ~/.claude/skills/woocommerce-backend-dev # Claude Code
cp -R /tmp/woocommerce__woocommerce/.ai/skills/woocommerce-backend-dev ~/.agents/skills/woocommerce-backend-dev # Codex, Cursor, Gemini CLI, Copilot, OpenCode