Shopify Functions allow developers to customize the backend logic that powers parts of Shopify. Available APIs: Discount, Cart and Checkout Validation, Cart Transform, Pickup Point Delivery Option Generator, Delivery Customization, Fulfillment Constraints, Local Pickup Delivery Option Generator, Order Routing Location Rule, Payment Customization
Install
npx skills add Shopify/Shopify-AI-Toolkit --skill shopify-functionsnpx skills add Shopify/Shopify-AI-Toolkit --skill shopify-functions -a claude-code -gnpx skills add Shopify/Shopify-AI-Toolkit --skill shopify-functions -a codex -ggemini skills install https://github.com/Shopify/Shopify-AI-Toolkit.git --path deprecated/shopify-functionsgh skill install Shopify/Shopify-AI-Toolkit shopify-functionsgit clone --depth 1 https://github.com/Shopify/Shopify-AI-Toolkit /tmp/Shopify__Shopify-AI-Toolkit
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/Shopify__Shopify-AI-Toolkit/deprecated/shopify-functions ~/.claude/skills/shopify-functions # Claude Code
cp -R /tmp/Shopify__Shopify-AI-Toolkit/deprecated/shopify-functions ~/.agents/skills/shopify-functions # Codex, Cursor, Gemini CLI, Copilot, OpenCode