Product Manager @BenTannyhill on why LangSmith Engine routes trace investigation through screener + verifier sub agents instead of letting t…

LangSmith Engine uses a two-stage agent architecture for trace investigation, routing queries through dedicated screener and verifier sub-agents rather than handling requests directly. This approach likely improves efficiency, accuracy, and scalability by separating concerns—the screener agent likely filters and categorizes incoming trace requests while the verifier agent validates findings before returning results to users.

Source: Harrison Chase (X) | 2026-07-06