ClawHub Dev Invoice

Generate professional invoices for ClawHub/OpenClaw skill development services. Use when billing for custom AgentSkills: creation, editing, testing, ClawHub publishing. Features: standard rates ($150/hr dev, $500 skill init), Saskatchewan GST 5% auto-calc, multi-item support, PDF/HTML output via templates/scripts.

skunnyo@skunnyo

Install

openclaw skills install @skunnyo/clawhub-dev-invoice

ClawHub Dev Invoice Generator

Overview

Specialized tool for Thomas to quickly generate invoices for freelance ClawHub skill dev work. Includes standard rates, Sask tax, professional formatting. Outputs ready-to-send PDF.

When to Use

Client requests quote/invoice for skill work
Monthly billing summary for ongoing dev
One-off fixed fee for skill publish/package
Track billable hours on projects

Standard Rates (CAD)

Service	Rate
Skill Initialization & Basic SKILL.md	$500 fixed
Hourly Development/Editing	$150/hr
ClawHub Publishing & Validation	$100 fixed
Testing/Debugging	$75/hr
Expenses (tools, API credits)	Cost + 15%
Rush Fee (<48h)	+50%

Quick Start Workflow

Collect Data:
- Invoice # (e.g. 2026-001)
- Date (YYYY-MM-DD), Due (30 days later)
- Client: name, company, address, email
- Your details: Thomas [Lastname], Clavet SK, thomas@example.com
- Line items: desc, hours/qty, rate, amount = qty*rate
Calculate Totals:
- Subtotal = sum amounts
- GST = subtotal * 0.05
- Total = subtotal + GST
Generate:
- Use scripts/generate_invoice.py client-data.json for PDF
- Or manually: copy assets/invoice-template.html, edit, exec pandoc to PDF
Send: Attach PDF, reference invoice #.

Resources

scripts/generate_invoice.py

Automates HTML+PDF from JSON input. Run: python scripts/generate_invoice.py input.json

Input JSON example:

json

{
  "invoice_num": "2026-001",
  "date": "2026-03-29",
  "due_date": "2026-04-28",
  "client": {
    "name": "Client Co",
    "address": "123 Street, City SK",
    "email": "client@example.com"
  },
  "items": [
    {"desc": "Skill init: weather-forecast", "hours": 4, "rate": 150},
    {"desc": "ClawHub publish", "fixed": 100}
  ],
  "expenses": 50
}

references/sask_tax_guidelines.md

Sask GST details, terms.

assets/sample-input.json

HTML template for manual edits. Style: clean, professional (Arial, tables).