How does it handle international taxes?

The skill includes a TaxCalculator framework that allows for the application of VAT, GST, and US Sales Tax based on the customer's geographic jurisdiction.

Can I use this for usage-based billing models?

Yes, the skill provides implementation patterns for incorporating metered usage and dynamic line items into the automated invoicing engine.

What is dunning management in this skill?

Dunning management is the automated process of recovering failed payments through scheduled retries, customer notifications, and account state management to reduce churn.

Does this skill handle proration for plan changes?

Yes, it includes specialized logic for calculating prorated charges and credits when users upgrade, downgrade, or change seat counts in the middle of a billing cycle.

Billing Automation

Name: Billing Automation
Author: HermeticOrmus

byHermeticOrmus

0•

E-commerce Solutions

Automates complex subscription billing lifecycles, recurring invoice generation, and failed payment recovery workflows.

The Billing Automation skill provides comprehensive logic and implementation patterns for building robust SaaS subscription systems. It manages the entire customer lifecycle—from initial trial periods to dunning management for failed payments. By implementing standardized patterns for proration, tax calculation, and automated invoicing, this skill helps developers build secure, accurate financial systems that handle recurring revenue models with minimal manual intervention.

Key Features

01Multi-jurisdictional tax calculation for VAT, GST, and regional sales taxes

020 GitHub stars

03Comprehensive subscription lifecycle management (Trial, Active, Past Due, Canceled)

04Automated invoice generation for usage-based and flat-rate billing models

05Automated dunning management with retry schedules and recovery notifications

06Precise proration logic for mid-cycle plan changes and seat adjustments

Use Cases

01Building a SaaS platform with tiered monthly and annual subscription plans

02Managing complex plan upgrades and downgrades with fair credit proration

03Implementing automated recovery workflows for failed credit card payments

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add hermeticormus/floraheritage billing-automation

For use in Claude.ai and ChatGPT

Download Skill