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)#

ServiceRateSkill Initialization & Basic SKILL.md$500 fixedHourly Development/Editing$150/hrClawHub Publishing & Validation$100 fixedTesting/Debugging$75/hrExpenses (tools, API credits)Cost + 15%Rush Fee (<48h)+50%

Quick Start Workflow#

1. 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
2. Calculate Totals:
   • Subtotal = sum amounts
   • GST = subtotal * 0.05
   • Total = subtotal + GST
3. Generate:
   • Use scripts/generate_invoice.py client-data.json for PDF
   • Or manually: copy assets/invoice-template.html, edit, exec pandoc to PDF
4. 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).