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Hey-B is the finance agent inside BESD Finance Hub, a fintech app I built as the sole engineer, live on the App Store. You ask about your money in plain English. The agent picks from twelve read-only tools that run SQL against Postgres and hand the model precomputed totals, so it never does arithmetic and never sees raw rows. Account ids and merchant names are masked before anything reaches the model, and there is no write tool. About 50 golden questions run on every deploy and score tool choice, numeric accuracy and correct refusals. React Native, Node, Postgres, Amazon Bedrock. https://apps.apple.com/app/besd-financehub/id6756315000
The network for creativity
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