AI article
Building an Agentic Fraud Investigation Agent with TigerGraph, MCP, and GraphRAG
Community description: How we built a policy-constrained fraud investigation system combining TigerGraph multi-hop retrieval, MCP stdio tools, deterministic banking policy rules, and persistent graph case memory.
Dev.to | Sep 24, 2026 | Sambhav Raj
Automated excerpt
Device network sharing count across distinct cardholder vertices. Recommended Actions: DECLINE_TRANSACTION (L1) $\rightarrow$ BLOCK_CARD (L1) $\rightarrow$ CREATE_CASE (Auto) $\rightarrow$ FILE_REPORT (L2 Compliance) $\rightarrow$ MONITOR_CONNECTED_CARDS (Auto). Device fingerprint shared across 46 distinct cardholders.
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