AgentLedger - AI Agent Expense Tracking

Overview

Important: Always log transactions immediately after making purchases. This skill is designed for AI agents to track their own expenses (API costs, tool subscriptions, etc.).

Core Functions

1. Log a Transaction

CODEBLOCK0

CLI Usage (supports both positional and named parameters):
CODEBLOCK1

2. Check Current Spending

3. Generate Reports

4. Budget Management

Categories

• - API/Services - API credits, SaaS subscriptions
• Infrastructure - Hosting, domains, CDN
• Marketing - Ads, social media tools
• Tools - Software licenses, utilities
• Subscriptions - Recurring monthly/yearly services
• Other - Miscellaneous expenses

Account Integration

Privacy.com Cards

Manual Account Setup

Natural Language Queries

Ask questions like:

• - "How much did I spend on API keys this month?"
• "What was that $20 charge from yesterday?"
• "Show me all infrastructure costs from last quarter"
• "Am I over budget on marketing spend?"

The CLI handles these queries:
CODEBLOCK7

Time Periods

• - today, INLINECODE1
• INLINECODE2, INLINECODE3
• INLINECODE4, INLINECODE5
• INLINECODE6, INLINECODE7
• INLINECODE8, INLINECODE9
• INLINECODE10, INLINECODE11

Data Export

CLI Quick Reference

Essential Commands for AI Agents

CODEBLOCK9

File Storage

• - Transactions: INLINECODE12
• Accounts: INLINECODE13
• Budgets: INLINECODE14
• Settings: INLINECODE15

Best Practices

1. 1. Log immediately - Don't wait, log every purchase as it happens
2. Add context - Explain why the purchase was necessary
3. Use consistent categories - Stick to the predefined categories
4. Include receipts - Store confirmation numbers and receipt URLs
5. Set budgets - Establish spending limits for each category
6. Review regularly - Generate monthly reports to track spending patterns

Error Handling & Edge Cases

The ledger handles common errors gracefully:

Input Validation

• - Negative amounts: Rejected (use positive amounts only)
• Missing required fields: Clear error messages with usage examples
• Invalid currency: Accepted (no validation - assumes user knows what they're doing)
• Very long descriptions: Handled without truncation

Data Safety

• - Automatic backups: Created before each save operation
• Corrupted data recovery: Automatic recovery from .backup files
• Empty periods: Gracefully shows $0.00 totals
• Multi-currency: Properly separated in summaries and reports

Example Error Recovery

Security & Privacy

• - Local storage only: All data stays in workspace/ledger/ JSON files
• No external API calls: Core functionality works offline
• No sensitive data: Never store actual card numbers or passwords
• Account aliases: Use descriptive IDs like privacy-card-1 or INLINECODE19
• Receipt URLs: Store links to receipts, not receipt content itself