This skill provides Claude with the specialized domain knowledge and implementation patterns necessary to build robust, production-grade billing systems. It covers the entire subscription lifecycle—from trial periods and active renewals to cancellations—and includes sophisticated logic for dunning management, usage-based billing, and multi-jurisdictional tax calculation. It is particularly useful for developers building SaaS platforms or e-commerce engines that require precise handling of recurring payments, prorated adjustments for plan changes, and automated invoice generation.
主要功能
01Automated dunning workflows for failed payment recovery
02Multi-region tax calculation for VAT, GST, and Sales Tax
03Subscription lifecycle state management (Trial to Canceled)
04Configurable billing cycles and usage-based invoice generation
05237 GitHub stars
06Precise proration logic for mid-cycle plan and seat changes
使用场景
01Automating invoice generation and delivery for enterprise clients
02Implementing complex payment retry logic and customer billing notifications
03Building a recurring subscription engine for a SaaS application