Open Finance MCPAsk AI about your real spending — no signup, full control

Open Finance MCP

Connect your bank account directly to ChatGPT and Claude using Brazil's Open Finance system. Access statements, analyze spending patterns, and manage your finances through natural language conversations—no account creation, no middlemen, and no credential sharing required.

Product Highlights

• Bank-Grade Security: Authenticate through your own bank using biometrics or banking password—regulated by Brazil's Central Bank, safer than traditional login credentials
• True Data Ownership: Revoke consent instantly at any time; you control exactly when data sharing starts and stops
• Zero Data Retention: Your financial data is never stored on Cumbuca's servers—real-time access only, with no persistence
• Universal Compatibility: Works seamlessly with ChatGPT, Claude, and any MCP-compatible AI client

Use Cases

• Personal Financial Analysis: Ask natural questions like "How much did I spend on food last month?" or "What were my biggest expenses in February?" and get instant insights
• Rapid Fintech Prototyping: Developers and builders can validate Open Finance use cases with real data before investing in expensive licenses or infrastructure
• Automated Reporting: Generate categorized spreadsheets, monthly summaries, and spending pattern analyses through simple conversational prompts

Target Audience

Designed for developers exploring Open Finance APIs, AI enthusiasts seeking richer data-driven conversations, and fintech builders prototyping products without regulatory barriers.