A professional billing tool that automates the creation of clean, calculated invoices in Markdown and print-ready HTML.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install ai-invoice-generator
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 ai-invoice-generator 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 to simplify the financial workflows of freelancers and small businesses through Openclaw Skills. It handles the entire lifecycle of document creation, from gathering business and client details to performing precise mathematical calculations for taxes and totals. By providing a standardized template, it ensures that every invoice sent is professional, clear, and logically structured.
This skill goes beyond simple text generation by offering multiple output formats. Users can generate Markdown for quick communication or styled, print-friendly HTML for official records. By integrating Openclaw Skills into your workflow, you can maintain a consistent record-keeping system with automatic sequential numbering and persistent business data storage.
Invoice Generator Use Cases
- Creating professional invoices for freelance consulting or project-based work.
- Automating monthly recurring billing for long-term clients using Openclaw Skills.
- Tracking outstanding payments and overdue balances via quick CLI commands.
- Converting billing data into ink-friendly HTML documents for physical mailing or PDF archiving.
How Invoice Generator Works
- The user initiates the process by providing or confirming business and client contact information.
- Line items, including descriptions, quantities, and unit prices, are processed to calculate subtotals.
- The skill applies specific tax rates and determines the final total with mathematical precision.
- Due dates are automatically calculated based on the selected payment terms (e.g., Net 30).
- The skill generates a unique, sequential invoice number and saves the final documents to a dedicated directory.
- Users can then view, list, or check the status of these files using Openclaw Skills commands.
Invoice Generator Setup
To start using this skill, ensure your agent is configured to access the invoices directory. No complex installation is required as the skill uses native Markdown and HTML processing.
# To generate an invoice immediately
# "Invoice [client] for [amount] for [description]"
# To check your billing history
# "Show my invoices"
Invoice Generator Data Schema & Taxonomy
The skill organizes financial data within a structured file system to ensure easy retrieval and record-keeping.
| Data Point | Storage Format | Purpose |
|---|---|---|
| Business Info | Local Cache | Reused for all outgoing invoices |
| Invoice Files | HTML / Markdown | Stored in /invoices/ directory |
| Filename | invoice-[number].html |
Standardized naming convention |
| History | Internal Log | Tracks client-specific billing periods |
Invoice Generator Advanced Features
- Recurring Invoice Automation: Quickly replicate previous billing cycles for consistent clients while updating dates and periods.
- Payment Status Tracking: Dedicated logic to identify and list outstanding invoices past their due dates.
- Smart Sequential Numbering: Prevents duplicate records by checking existing files before generating a new invoice ID.
- Print-Ready Styling: HTML outputs are specifically optimized for printing, ensuring professional appearance without wasting ink.
- Dynamic Tax Calculation: Support for variable tax percentages based on jurisdiction or project type within Openclaw Skills.
SKILL.md
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