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Cost-sensitive credit card fraud detection on 1.3M transactions. Picks the decision threshold that minimizes expected dollar loss, avoiding $1.25M vs a naive baseline (XGBoost, PR-AUC 0.91). Adds a quant-risk layer (VaR/Expected Shortfall, walk-forward backtesting, PSI drift) and an agentic RAG investigation copilot. Interactive Streamlit app
Static security scanner for Model Context Protocol servers. Paste files, a GitHub repo, or an npm package: get a 0–100 risk score, evidence-backed findings, an Amazon Bedrock risk narrative, and a ready-to-paste AWS Cedar policy for AWS Verified Permissions. Never executes the code it scans.