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Instrumenting LangChain, LangGraph, Dify, and OpenClaw: What Actually Differs at the Tracing Layer

This story is from 2026-09-28. It is preserved in the archive; the latest stories are on the live feed.

The previous post walked through instrumenting an LLM call by hand: a span per model call, a histogram for token usage, a small set of fixed-cardinality labels. That works when there's one call site to wrap. It gets harder once a platform team is supporting several product teams that each picked a…

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  1. 2026-09-28 09:37 · DEV Community — AI
    Instrumenting LangChain, LangGraph, Dify, and OpenClaw: What Actually Differs at the Tracing Layer

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