invoice-generator

Generate branded Word or PDF invoices from timesheet data with tax calculations.

149|22|Updated Mar 6, 2026
One-click install
npx skills add https://github.com/luzhenqian/ai-coding-lab --skill invoice-generator-luzhenqian
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: invoice-generator
Source: https://github.com/luzhenqian/ai-coding-lab/tree/main/skills/.claude/skills/invoice-generator
Command: npx skills add https://github.com/luzhenqian/ai-coding-lab --skill invoice-generator-luzhenqian

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires openpyxl, and includes scripts (resource) and references (resource) components.

What problem does it solve?

Automates the end-to-end creation of professional invoices from Excel/CSV timesheets or manual billing inputs, eliminating manual data entry and formatting tasks.

Core Features & Use Cases

  • Automatic data to invoice conversion: parse line items from hours/timesheets and generate itemized invoices.

  • Brand-consistent templates: apply client-brand styling, including colors, fonts, and layout, to Word/PDF outputs.

  • Financial accuracy and compliance: calculate subtotals, taxes, due amounts, and currency handling with validation.

  • Use Case: A freelancer uploads a monthly timesheet and receives a ready-to-send invoice in Word or PDF format.

Quick Start

Provide a timesheet or billing details (client info, line items, tax rate) and run the invoice generator to produce a branded invoice document.

Frequently Asked Questions about invoice-generator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I auto-generate invoices from timesheet data in Excel or CSV?

To generate invoices from timesheet data, you parse line items from Excel or CSV files, apply brand-consistent templates with tax calculations, and export the results as Word or PDF documents using Python automation.

Can I apply custom brand styling like colors and fonts to Word or PDF invoice outputs?

Yes, you can apply client-brand styling including colors, fonts, and layout to Word or PDF invoice outputs, ensuring brand-consistent professional documents are generated automatically through the Python tooling workflow.

What's the best way to calculate subtotals, taxes, and due amounts for billing invoices?

The best way to calculate subtotals, taxes, and due amounts is using automated validation and computation logic that processes line items from timesheets or manual billing inputs to ensure financial accuracy and compliance.

Does this invoice automation tool work for freelancers and small teams needing branded documents?

Yes, this invoice automation tool is specifically designed for freelancers and small teams needing branded Word or PDF invoices with automated tax calculations and financial validation from timesheet or manual billing inputs.

Do I need openpyxl to parse Excel timesheets for invoice generation?

Yes, you need the openpyxl dependency installed to parse Excel timesheet data and automate the end-to-end creation of professional itemized invoices with financial accuracy and brand-consistent formatting.

Why does manual invoice formatting waste time when processing monthly billing hours?

Manual invoice formatting wastes time because it requires repetitive data entry and layout tasks, whereas automating invoice creation from hours data eliminates manual formatting and ensures financial accuracy through validated tax computations.