Building an Agentic Fraud Investigation System with TigerGraph, LangGraph & MCP
TL;DR : We built a 9-node LangGraph agent that investigates fraud cases end-to-end. It uses TigerGraph Community Edition as the knowledge graph substrate, TigerGraph MCP for tool access, and NVIDIA NIM for LLM reasoning. It produced FinCEN-standard SAR narratives for cases requiring regulatory filing, and wrote every case back to the graph as memory for future investigations. All 20 HHGOA…
We haven't written up this one. Dev.to has the full story — the link below goes straight to it.