Engineer Rebuilds 2,000-Line Prompt Fraud Agent with LangGraph for Speed

Joseph Fluckiger shared how he rebuilt his fraud detection agent at AIMUG Austin: replacing a 2,000-line prompt driving 30 tools that took up to 4 minutes per run with a LangGraph-based code refactor of MCP calls, dramatically improving speed.

2026-11-10 ~ 2026-11-10 · 2 related posts

• Engineer Wraps MCP Calls in LangGraph to Fix Slow, Non-Deterministic Agent — colinmcnamara · 2026-11-10
• 2000-line prompt + 30 tools was too slow: LangGraph + plain code fixed this fraud agent — colinmcnamara · 2026-11-10