Personal Finance · Newsletter · 🌐 International · via agentusecases.ai
Automatic expense tracking on a Raspberry Pi
Fahad Hasin, who says he knows little about coding, had Claude build an expense tracker that runs every night.
- Profession
- Marketing Professional
- Tools
- Claude Code, Llama
- Country
- 🌐 International
- Found via
- agentusecases.ai (Alex Finn) ↗
- Report date
- no date
- Verified on
- October 25, 2026

What they did
The system collects notification emails from several banks and cards, categorizes spending with a small local model and adds context from merchants' emails. It runs on its own every night.
How it went
He says it works better than he expected.
Good to know
Running the model locally keeps financial data out of the cloud.
The prompt
Here are purchase notifications from [period]: [paste]. Extract date, merchant, amount and card, classify them into [categories], and give me the total per category and the 5 biggest expenses.
Replace what is in [brackets]. Prompt written by us from the account, not a literal copy of the source. Do not paste other people’s personal data (privacy laws such as LGPD and GDPR apply).
Summary in our own words. Results as stated in the original account; we have not tested or audited them. Read the source ↗ Case found via agentusecases.ai (Alex Finn); text and prompt rewritten by us. Found a mistake?
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