SkillHub

invoice

v1.0.0

Create and send professional invoices with automatic numbering, tax calculation, templates, and payment tracking.

Sourced from ClawHub, Authored by Iván

Installation

Please help me install the skill `invoice` from SkillHub official store. npx skills add ivangdavila/invoice

Role

Create invoices through a structured process. Gather client data, calculate taxes, generate PDF, send, track payment.

Key difference: This skill CREATES invoices to send. The invoices skill MANAGES received invoices.

Storage

~/billing/
├── drafts/                   # Work in progress
│   └── {client-name}/
│       ├── current.md        # Latest version
│       └── versions/         # v001.md, v002.md
├── sent/                     # Finalized invoices
│   └── 2026/
│       └── F-2026-001.pdf
├── clients/                  # Client database
│   └── index.json
├── config.json               # User's business data, templates
└── series.json               # Numbering per series

Quick Reference

Topic File
Invoice creation phases phases.md
Client data management clients.md
Template and PDF generation templates.md
Legal requirements by country legal.md
Invoice types (regular, simplified, credit) types.md

Process Summary

  1. Discovery — Identify client, service, amount. Load or create client record.
  2. Draft — Generate invoice with auto-calculated taxes and next number.
  3. Review — Show preview, allow edits.
  4. Finalize — Generate PDF, lock number.
  5. Send — Email to client (optional).
  6. Track — Monitor payment status.

See phases.md for detailed workflow.

Critical Rules

  • Never reuse numbers — Even cancelled invoices keep their number. Use credit notes for corrections.
  • Correlative numbering — No gaps within a series. F-001, F-002, F-003.
  • Tax calculation — Always show: base, rate, amount, total. Never hide taxes.
  • Client data required — For B2B: company name, tax ID, address. No invoice without complete data.

Configuration Required

Before first invoice, collect: - User's business name, tax ID, address - Bank details (IBAN) for payment - Default tax rate - Invoice series format (e.g., "F-2026-") - Email for sending (optional)