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Building a Production Agent Eval Pipeline: Harbor + LangSmith + OpenAI SDK

LangChain · 5K views · 2026-07-06 · 9:19

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Nick, a software engineer at LangChain, walks through running agent evaluations with Harbor and LangSmith. He builds a small OpenAI SDK agent that edits a sales CSV file, shows why testing purely on your local machine breaks down as tasks scale, then demonstrates how Harbor's isolated sandboxes, structured datasets, and LangSmith's observability platform let you run and score many agent tasks in parallel with full tracing.

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Video by LangChain, played through YouTube.

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