# Claude Code Hackathon — Close the Books

A one-day Claude Code build event focused on building an autonomous finance office and an AI finance team that can close the books. It is for teams working with accounting and finance data.

- When: Sat, Nov 7, 2026 · 09:00–21:00 (Europe/Madrid time)
- Where: La Nave, La Nave, C. Cifuentes, 5, Villaverde, 28021 Madrid, Spain
- Format: In person
- Type: Hackathon
- Topics: AI, GenAI & LLMs, Software engineering
- For: Software engineers, AI & ML engineers
- Price: Free
- Organizer: Claude Community Events
- Register and details: https://luma.com/claude-kggz

## About

One-day Claude Code Build Day on building an autonomous finance office.
Challenge and dataset designed by Talky, AI for accounting, in collaboration with UCppM, UCM competitive programming association.
The challenge: Build an AI finance team, then let it close the books
Every team gets the same synthetic multi-entity company: invoices, POs, bank transactions, contracts, vendor data, general ledger and ERP history. Your job is to turn that mess into a safe, traceable, audit-ready close with as little human intervention as possible.
A live leaderboard scores accounting accuracy, reconciliation,…

## Links

- On the map: https://events.intentface.com/e/claude-code-hackathon-close-the-books-madrid-2026-11
- As JSON: https://events.intentface.com/api/events/claude-code-hackathon-close-the-books-madrid-2026-11
- More events like this: https://events.intentface.com/llms.txt

From Intentface Events, https://events.intentface.com