Dev Tools · 2h ago
Cut-Point Replay: How to Verify AI Agent Fixes Without Re-Running
After recording an AI agent incident, teams often re-run to test fixes, but that regenerates outputs and proves nothing. Cut-point replay freezes everything upstream of a changed boundary, letting you inject new code into a frozen incident. This technique, presented at AI Engineer World's Fair 2026, ensures deterministic verification without model calls or flakiness.
Meridian48 take
Cut-point replay is a practical debugging tool, but its reliance on recording infrastructure means most teams will need to invest in tooling before it becomes standard practice.
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You Recorded the Incident. Now Prove Your Fix Actually Works. →
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