Can this skill handle usage-based billing?

Yes, it includes patterns for calculating and invoicing charges based on customer consumption alongside fixed-rate subscriptions.

What is dunning management?

Dunning is the automated process of recovering failed payments through scheduled retries, grace periods, and customer notifications.

Does it support international taxes?

It provides a framework for calculating VAT, GST, and regional sales taxes for jurisdictions like the UK, EU, and various US states.

Is this compatible with Stripe?

Yes, the skill provides implementation patterns and code examples that are easily adaptable to major payment processors like Stripe, Braintree, or Paddle.

Billing & Subscription Automation

Name: Billing & Subscription Automation
Author: HermeticOrmus

byHermeticOrmus

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E-commerce Solutions

Automates complex billing workflows including subscription lifecycles, recurring invoices, and failed payment recovery systems.

The Billing Automation skill equips Claude Code with the specialized logic required to build and manage sophisticated financial systems. It provides patterns for handling the entire subscription lifecycle—from trial states to cancellations—while managing the complexities of dunning (failed payment recovery), prorated adjustments for plan changes, and regional tax calculations. Whether you are integrating with Stripe or building a custom billing engine, this skill ensures your implementation follows industry best practices for financial accuracy and customer retention.

Key Features

01Multi-jurisdictional tax calculation (VAT, GST, Sales Tax)

02Precise proration logic for mid-cycle plan and seat changes

032 GitHub stars

04Automated dunning workflows for failed payment recovery

05Subscription lifecycle management (Trial, Active, Past Due, Canceled)

06Dynamic invoice generation with usage-based billing support

Use Cases

01Implementing a self-service billing portal with seat-based upgrades

02Building a SaaS platform with monthly and annual subscription tiers

03Automating email notifications and retry schedules for payment failures

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add hermeticormus/libreuiux-claude-code billing-automation

For use in Claude.ai and ChatGPT

Download Skill