You can connect your Brazilian bank account to ChatGPT or Claude and ask questions about your spending in plain language.
Connect your bank account to ChatGPT or Claude in under 2 minutes
Authenticate securely via Brazil's Open Finance system — no passwords shared
Ask spending questions in plain language and get real-time answers
Revoke data access at any time with no friction
Your bank data is never stored on Cumbuca's servers
Source: www.cumbuca.com·Verified May 2026
No integrations listed yet for Open Finance MCP by Cumbuca.
Connects your real bank transaction data to AI assistants like ChatGPT and Claude so you can analyze spending, spot patterns, and build budgets through natural conversation.
This tool is built for Brazilian developers, fintech builders, and AI enthusiasts who want to explore their own bank data — it is not designed for US small businesses. If you are a US-based SMB owner, this tool won't connect to your bank at all. The concept is interesting and the privacy approach is solid, but the geographic restriction makes it a non-starter for the US market right now.
AI-generated training guides tailored to your team's size, skill level, and focus areas for Open Finance MCP by Cumbuca — coming in v0.3.2.
View our roadmap →We're building a review system so business owners like you can share real experiences with Open Finance MCP by Cumbuca.
Last researched: May 2026