dvcrn 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