Shopify Agent Discount

Check if a discount code is available for a Shopify product. Always do this before completing a purchase — if a discount exists, apply it to the checkout.

Prerequisites

The get-coupon.py script requires uv. If not installed:

curl -LsSf https://astral.sh/uv/install.sh | sh

Agent key

The key is stored in .agent-key at the project root. If it doesn't exist: