Credential Fixture Review
python scripts/_env_constants.py is review material for the ClawHub Dev Invoice Generator skill. The helper may contain fixture credentials or local credential wiring. Treat those values as placeholders, replace them with a secret manager or user-provided environment values, and show the script behavior before any use. Do not contact external services with embedded sample credentials.
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:
{
"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).
1---2name: clawhub-dev-invoice-33description: 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.4---56789### Credential Fixture Review1011`python scripts/_env_constants.py` is review material for the `ClawHub Dev Invoice Generator` skill. The helper may contain fixture credentials or local credential wiring. Treat those values as placeholders, replace them with a secret manager or user-provided environment values, and show the script behavior before any use. Do not contact external services with embedded sample credentials.1213# ClawHub Dev Invoice Generator1415## Overview16Specialized 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.1718## When to Use19- Client requests quote/invoice for skill work20- Monthly billing summary for ongoing dev21- One-off fixed fee for skill publish/package22- Track billable hours on projects2324## Standard Rates (CAD)25| Service | Rate |26|---------|------|27| Skill Initialization & Basic SKILL.md | $500 fixed |28| Hourly Development/Editing | $150/hr |29| ClawHub Publishing & Validation | $100 fixed |30| Testing/Debugging | $75/hr |31| Expenses (tools, API credits) | Cost + 15% |32| Rush Fee (<48h) | +50% |3334## Quick Start Workflow351. **Collect Data**:36 - Invoice # (e.g. 2026-001)37 - Date (YYYY-MM-DD), Due (30 days later)38 - Client: name, company, address, email39 - Your details: Thomas [Lastname], Clavet SK, thomas@example.com40 - Line items: desc, hours/qty, rate, amount = qty*rate41422. **Calculate Totals**:43 - Subtotal = sum amounts44 - GST = subtotal * 0.0545 - Total = subtotal + GST46473. **Generate**:48 - Use `scripts/generate_invoice.py client-data.json` for PDF49 - Or manually: copy `assets/invoice-template.html`, edit, exec pandoc to PDF50514. **Send**: Attach PDF, reference invoice #.5253## Resources5455### scripts/generate_invoice.py56Automates HTML+PDF from JSON input. Run: `python scripts/generate_invoice.py input.json`5758Input JSON example:59```json60{61 "invoice_num": "2026-001",62 "date": "2026-03-29",63 "due_date": "2026-04-28",64 "client": {65 "name": "Client Co",66 "address": "123 Street, City SK",67 "email": "client@example.com"68 },69 "items": [70 {"desc": "Skill init: weather-forecast", "hours": 4, "rate": 150},71 {"desc": "ClawHub publish", "fixed": 100}72 ],73 "expenses": 5074}75```7677### references/sask_tax_guidelines.md78Sask GST details, terms.7980### assets/sample-input.json81HTML template for manual edits. Style: clean, professional (Arial, tables).
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