Developer Builds AI Cat Astrologer App Using Kiro and Amazon Bedrock at Hackathon

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A developer built 'Madame Minou,' an AI-powered cat astrology web app, during a self-described accidental hackathon while in Paris. The project used Kiro, an AI coding tool, with a spec-first approach involving requirements documents and steering files to keep the multi-session build consistent. Sun sign calculations are handled deterministically in code, with Claude via Amazon Bedrock only generating the astrological narrative voice based on pre-computed facts. The backend runs on AWS Lambda, API Gateway, and DynamoDB, with no API keys in the stack thanks to IAM-based authentication. The developer encountered several obstacles, including a failed Marketplace subscription and a problematic reserved environment variable, ultimately shipping a simplified version with moon and rising sign support deferred to a future release.

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