What if your AI assistant could see your actual bank statements? The Open Finance Data MCP connects your bank account to ChatGPT, Claude, and any MCP-compatible AI — through Brazil's Open Finance. Ask about spending, get summaries, analyze patterns in natural language. No account needed — authenticate via Open Finance (your CPF + your bank). Your data, your control — revoke anytime. Setup takes 2 minutes. Built by Cumbuca, a licensed Payment Institution in Brazil.