Expense Tracker v2

Track expenses and income with multi-backend storage (local/Notion/Google Sheet/Supabase). Credentials are encrypted with AES-256-GCM. Use when user wants to record expenses, view transaction history, or check monthly spending statistics.

Expense Tracker Skill

Quick Start

Initial Setup (First Time)

bash

expense-tracker setup

This will:

1. Ask you to set a master password (for encrypting credentials)
2. Select storage backend and configure API keys

Storage backends:

1. Local file - No config needed
2. Notion - Requires API Key + Database ID
3. Google Sheet - Requires credentials path + Spreadsheet ID
4. Supabase - Requires URL + Anon Key

Set Password (For Subsequent Uses)

bash

expense-tracker pass <your-password>

Or enter interactively when prompted.

Record Expense

bash

expense-tracker add -50 "lunch" food
# Format: expense-tracker add <amount> <note> <category>
# Negative amount = expense

Record Income

bash

expense-tracker add 5000 "salary" salary
# Positive amount = income

View Records

bash

expense-tracker list              # Recent 10 records
expense-tracker list --month     # This month
expense-tracker list --category  # By category

Statistics

bash

expense-tracker stats             # This month
expense-tracker stats -m 2       # 2 months ago

Security

Credentials are encrypted using AES-256-GCM with PBKDF2 key derivation.

• Config file: ~/.openclaw/expense-tracker/config.enc
• Never stores plain text passwords or API keys

Categories

• food - Food & Dining
• transport - Transportation
• shopping - Shopping
• entertainment - Entertainment
• salary - Salary
• bonus - Bonus
• investment - Investment
• other - Other

Commands Reference

Command	Description
setup	Set password & configure backend (first time)
pass <password>	Set password for decryption
add <amount> <note> <category>	Add new record
list	View recent records
list --month	This month's records
list --category	Group by category
stats	Monthly summary
stats -m <n>	N months ago

Data Format

Each record:

json

{
  "id": "uuid",
  "type": "expense|income",
  "amount": -50,
  "category": "food",
  "note": "lunch",
  "date": "2026-03-03",
  "created_at": "2026-03-03T20:23:00Z"
}