Does it support usage-based billing?

Absolutely. The skill includes logic for calculating charges based on consumption and dynamically adding them as line items to automated invoices during the billing cycle.

How does it handle plan upgrades mid-month?

It features a dedicated Proration Calculator to determine the exact credit from an old plan and the charge for a new plan based on the remaining days in the cycle.

Can this skill help with Stripe integrations?

Yes, the skill provides patterns and logic that are highly compatible with major payment processors like Stripe, including handling webhooks, customer IDs, and charge objects.

What is dunning management in this context?

Dunning management refers to the automated process of retrying failed payments, sending customer notifications, and managing grace periods before a subscription is canceled.

Billing Automation

Name: Billing Automation
Author: Microck

byMicrock

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128

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E-commerce Solutions

Automates recurring subscription lifecycles, invoice generation, and failed payment recovery workflows for SaaS applications.

The Billing Automation skill provides specialized guidance and implementation patterns for building robust subscription management systems within Claude Code. It helps developers handle complex billing logic including multi-interval cycles, dunning management for failed transactions, automated proration for mid-cycle plan changes, and region-specific tax calculations like VAT, GST, and US Sales Tax. By providing standardized code structures for subscription states and billing engines, it ensures a reliable and professional financial backend for any digital product or service.

Key Features

01Subscription lifecycle management (trial, active, past_due, canceled)

02Dynamic proration calculation for upgrades and downgrades

03Automated dunning workflows for failed payment recovery

04128 GitHub stars

05Multi-region tax calculation including VAT, GST, and Sales Tax

06Automated invoice generation and billing cycle processing

Use Cases

01Managing customer retention through automated payment retry schedules

02Building a SaaS platform with tiered monthly and annual subscription plans

03Implementing usage-based billing systems with automated invoicing

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add microck/ordinary-claude-skills billing-automation

For use in Claude.ai and ChatGPT

Download Skill