Create and track professional invoices in Markdown and HTML with automated calculations and history tracking.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install afrexai-invoice-gen
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install afrexai-invoice-gen using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Invoice Generator?
The Invoice Generator is a specialized tool designed for freelancers and businesses to streamline their billing process. By leveraging Openclaw Skills, this agent generates clean, clear, and professional invoices ready for immediate delivery. It handles the complexities of tax calculations, payment terms, and multi-format exports including Markdown for quick emails and print-ready HTML for formal documentation.
This skill ensures that your branding and business details are persisted across sessions, allowing for rapid invoice creation without repetitive data entry. As a core part of your Openclaw Skills library, it provides a structured approach to financial record-keeping and professional communication.
Invoice Generator Use Cases
- Generating one-off invoices for freelance services or products.
- Automating recurring monthly billing for long-term clients.
- Tracking outstanding balances and overdue payments.
- Converting billing details into print-friendly HTML formats for PDF generation.
How Invoice Generator Works
- Gather necessary business and client information through interactive prompts or saved profiles.
- Define line items including descriptions, quantities, and unit rates.
- Select payment terms (e.g., Net 30) and specify preferred payment methods like bank transfers or PayPal.
- Automatically calculate subtotals, taxes, and final totals with built-in math verification.
- Generate output files in Markdown or HTML and save them to a local directory for record-keeping.
Invoice Generator Setup
To add this capability to your agent, use the following CLI command via ClawHub:
clawhub install afrexai-invoice-gen
Invoice Generator Data Schema & Taxonomy
The skill organizes records within a dedicated directory and follows a specific naming convention to ensure data integrity.
| Feature | Detail |
|---|---|
| Directory | invoices/ |
| File Naming | invoice-[number].html or invoice-[number].md |
| Tracking | Sequential numbering using the INV-YYYY-NNN format |
| Metadata | Tracks dates, payment status, and client-specific history |
| Persistence | Automatically reuses saved business details for efficiency |
Invoice Generator Advanced Features
- Automatic due date calculation based on custom payment terms (Net 15, Net 30, etc.).
- Intelligent history tracking to identify outstanding or unpaid invoices.
- Support for recurring invoices that clone previous billing periods for regular clients.
- Multi-format exports including professional ASCII/Markdown and styled, print-friendly HTML.
SKILL.md
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