Invoice Engine — Complete Invoicing & Accounts Receivable

A zero-dependency agent skill for end-to-end invoicing — from quote to payment to reporting.

Quick Start

When the user says "create an invoice" or "bill [client]":

1. Check if client exists in memory (see Client Registry below)
2. If new client → run Client Onboarding
3. Generate invoice using the Invoice Builder
4. Present for review → finalize
5. Track in the Invoice Ledger

1. Client Registry

Maintain a YAML client database in your workspace: