Show HN: Kairos โ Open-source risk and fraud decisioning platform
Kairos is an open-source (Apache 2.0) real-time fraud and risk decisioning platform from Finic. It returns approve, step up, review or block for sign-ups, logins, orders and payouts. An MCP server lets Claude Code, Cursor or Codex build workflows and run model experiments, which compare logistic regression, gradient-boosted trees and Grayson, an LLM decision model, on ROC-AUC and PR-AUC.
mcp, llm-apps, coding-agentsยท Added 4 Nov 2026, published 3 Nov 2026














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