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Budget Analyzer

Caution

Analyzes financial data from bank exports and spreadsheets to generate spending reports, budget variance analysis, and savings optimization recommendations.

By Anthropic 1,900 v1.0.0 Updated 2026-03-10

Install

Claude Code

Copy the SKILL.md file to your project's .claude/skills/ directory

About This Skill

Budget Analyzer processes bank and credit card transaction exports to produce insightful financial reports. It automatically categorizes transactions, identifies spending patterns, compares against budgets, and highlights optimization opportunities — all from local CSV or Excel files.

How It Works

  1. Data import — Reads CSV/Excel exports from major banks and credit card providers
  2. Auto-categorization — Classifies transactions into categories (food, housing, transport, subscriptions, etc.) using merchant name pattern matching
  3. Trend analysis — Compares spending across months and identifies significant changes
  4. Budget variance — Measures actual spending against user-defined budget categories and flags overages
  5. Report generation — Produces formatted reports with charts-ready data (category totals, monthly trends, top merchants)

Best For

  • Individuals tracking personal spending habits
  • Small business owners monitoring operational expenses
  • Financial planners preparing client spending reviews
  • Teams analyzing department budgets against actuals

Privacy First

All processing happens locally. Transaction data never leaves your machine. No bank API connections — the skill works entirely from exported files. Categorization rules are transparent and editable.

Use Cases

  • Categorizing bank transactions from CSV exports
  • Generating monthly spending reports with category breakdowns
  • Comparing actual spending against budget targets
  • Identifying recurring subscriptions and cost reduction opportunities
  • Forecasting future expenses based on historical patterns

Pros & Cons

Pros

  • + Fully local processing — no data sent externally
  • + Auto-categorization with editable rules
  • + Budget variance tracking with overage alerts
  • + Works with exports from any bank or card provider

Cons

  • - Transaction categorization accuracy depends on merchant name quality
  • - Cannot connect to bank APIs for real-time data

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