name: invoice-gen description: Generate professional PDF invoices from simple text commands. Supports multiple currencies, tax calculation, CJK text, and customizable templates. No external service needed. author: zacjiang version: 1.0.0 tags: invoice, receipt, pdf, billing, business, freelance, accounting, CJK

Invoice Generator

Generate professional PDF invoices from natural language or structured data. Works offline, no external service needed.

Quick Start

Tell your OpenClaw agent:

Generate an invoice for:
- Client: Acme Corp, 123 Main St, New York
- Items: Web Development 40 hours @ $150/hr, Server Setup 1x $500
- Tax: 10%
- Due: Net 30
- My company: Zac Tech LLC

The agent will use this skill to generate a professional PDF invoice.

Script Usage

python3 {baseDir}/scripts/gen_invoice.py \
  --from "Your Company, 123 Street, City" \
  --to "Client Name, 456 Ave, City" \
  --items "Web Development|40|150" "Server Setup|1|500" \
  --tax 10 \
  --currency USD \
  --due "Net 30" \
  --number "INV-2026-001" \
  --output invoice.pdf

Features

• 📄 Clean, professional PDF layout
• 💰 Multiple currencies (USD, EUR, GBP, CNY, JPY, AUD, etc.)
• 📊 Automatic subtotal, tax, and total calculation
• 🔢 Sequential invoice numbering
• 🇨🇳 CJK text support (Chinese/Japanese/Korean company names and items)
• 📝 Notes and payment terms field
• 🖨️ Print-ready A4 format

Item Format

Each item is a pipe-separated string: description|quantity|unit_price

"Website Design|1|2000"
"Hosting (monthly)|12|50"
"Content Writing|20|75"

Dependencies

pip3 install reportlab

For CJK support, install CJK fonts:

sudo yum install -y google-noto-sans-cjk-ttc-fonts  # RHEL/CentOS
sudo apt install -y fonts-noto-cjk                    # Ubuntu/Debian