absorb.md

Langsmith

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LangChain
youtube · 2026-04-07
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I think like one thing that that means is that in order to tell what the application is actually doing, you can't look at the code. You have to look at actually what it does in in real life. Um, and so I think one of the the one of the things that one of the things that we do that is most popular is Langmith. One of the core parts of that is tracing. Why are traces so popular? Because they tell you exactly what goes on inside your agent at every step.

The Evolution of LLM Agent Development from Scaffolds to Long-Horizon Agent Harn