UCP Agentic Commerce Discounts
Implements standardized Universal Commerce Protocol (UCP) discount logic, including promo code validation, allocation tracking, and error handling for checkout sessions.
This skill enables Claude to implement and manage the UCP Discount extension, which builds upon core checkout capabilities to handle complex promotional logic. It provides deep integration for managing discount codes, automatic discounts, and precise allocation tracking across line items while maintaining strict financial invariants. By leveraging real-time specification fetching, the skill ensures that discount schemas, application priorities, and standard error codes are implemented according to the latest UCP standards, making it essential for developers building agent-ready e-commerce platforms and headless shopping experiences.