LangSmith Engine
Turns agent traces into issues, evals, fixes, and memory updates.
A LangSmith product for autonomously analyzing production agent traces, identifying recurring issues, and generating evaluations and proposed code fixes to improve agents.

Recent stories
2 linked stories
releasePRIMARY2026-09-24
LangSmith Engine v2 validates proposed agent fixes before presenting them
LangSmith Engine v2 adds proactive failure detection and agent red teaming. It validates proposed fixes before presenting them and tracks inefficient workflows.
newsSECONDARY2026-05-13
LangChain launches SmithDB, LangSmith Engine, and Sandboxes at Interrupt
LangChain unveiled SmithDB, LangSmith Engine, Managed Deep Agents, and GA sandboxes at Interrupt. The stack gives agent teams a purpose-built trace database, autonomous failure triage, and managed execution environments for production workflows.