Invoice Generator
/install invoice-generator-jp
Invoice Generator
Create professional invoices in Markdown format. Supports multiple currencies, tax calculations, and standard invoice fields. Perfect for freelancers, consultants, and small businesses.
When to use
Use this skill when the user needs to:
- Create a professional invoice for a client
- Generate recurring invoices
- Calculate totals with tax, discounts, and multiple line items
- Format an invoice in a printable Markdown layout
- Convert invoice details into a structured document
How it works
- Ask for sender details (business name, address, email, payment info)
- Ask for recipient details (client name, company, address)
- Ask for line items (description, quantity, unit price)
- Ask for currency, tax rate, discount, and payment terms
- Generate a complete professional invoice in Markdown
Invoice Template
# INVOICE
**Invoice #:** [AUTO-INCREMENT or USER-PROVIDED]
**Date:** [CURRENT DATE]
**Due Date:** [DATE + PAYMENT TERMS]
---
**From:**
[Business Name]
[Address Line 1]
[Address Line 2]
[Email] | [Phone]
**Bill To:**
[Client Name]
[Client Company]
[Client Address]
[Client Email]
---
## Items
| # | Description | Qty | Unit Price | Amount |
|---|-------------|-----|-----------|--------|
| 1 | [Service/Product] | [Qty] | [Price] | [Total] |
| 2 | [Service/Product] | [Qty] | [Price] | [Total] |
---
| | |
|---|---|
| **Subtotal** | [CURRENCY] [AMOUNT] |
| **Tax ([RATE]%)** | [CURRENCY] [AMOUNT] |
| **Discount** | -[CURRENCY] [AMOUNT] |
| **TOTAL DUE** | **[CURRENCY] [AMOUNT]** |
---
## Payment Details
**Payment Method:** [Bank Transfer / PayPal / Stripe / etc.]
**Bank:** [Bank Name]
**Account:** [Account Number]
**Routing:** [Routing Number]
**Payment Terms:** [Net 30 / Due on Receipt / etc.]
---
*Thank you for your business!*
Supported Currencies
USD ($), EUR (€), GBP (£), JPY (¥), CAD (C$), AUD (A$), CHF, INR (₹), BRL (R$), KRW (₩), and more. Format amounts according to locale conventions.
Calculation Rules
- Subtotal = Sum of (quantity × unit price) for all line items
- Tax = Subtotal × tax rate
- Discount can be percentage or fixed amount
- Total = Subtotal + Tax - Discount
- Round to 2 decimal places (0 for JPY/KRW)
Output
Generate a clean Markdown invoice that:
- Is print-ready when rendered
- Uses proper currency formatting
- Includes all required fields
- Has clear visual hierarchy with horizontal rules
- Can be easily copied and converted to PDF
- Make sure OpenClaw is installed (local or Docker)
- Run the install command in chat:
/install invoice-generator-jp - After installation, invoke the skill by name or use
/invoice-generator-jp - Provide required inputs per the skill's parameter spec and get structured output
What is Invoice Generator?
Generate professional Markdown invoices with multi-currency support, tax, discounts, payment details, and clear formatting for freelancers and small businesses. It is an AI Agent Skill for Claude Code / OpenClaw, with 55 downloads so far.
How do I install Invoice Generator?
Run "/install invoice-generator-jp" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.
Is Invoice Generator free?
Yes, Invoice Generator is completely free, licensed under MIT-0. You can download, install and use it at no cost.
Which platforms does Invoice Generator support?
Invoice Generator is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).
Who created Invoice Generator?
It is built and maintained by noahcraft-open (@noahcraft-open); the current version is v1.0.0.