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Implement MCP Tracing with openinference-instrumentation-mcp in Langsmith #68

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opened 2026-02-21 17:17:06 -05:00 by yindo · 4 comments
yindo commented 2026-02-21 17:17:06 -05:00
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Originally created by @mindful-time on GitHub (May 5, 2025).

Originally assigned to: @angus-langchain on GitHub.

We must integrate the MCP tracing functionality from the openinference-instrumentation-mcp repository into Langsmith. This will help propagate MCP trace context across the application.

You can find the code and setup details for the MCP tracing here:
openinference-instrumentation-mcp repository

Any updates on when this could be implemented in Langsmith? Or maybe you are looking into MCP tracing already on your own ?

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Feature Request

Originally created by @mindful-time on GitHub (May 5, 2025). Originally assigned to: @angus-langchain on GitHub. We must integrate the MCP tracing functionality from the openinference-instrumentation-mcp repository into Langsmith. This will help propagate MCP trace context across the application. You can find the code and setup details for the MCP tracing here: [openinference-instrumentation-mcp repository](https://github.com/anuraaga/openinference/tree/mcp-propagate-transport/python/instrumentation/openinference-instrumentation-mcp) Any updates on when this could be implemented in Langsmith? Or maybe you are looking into MCP tracing already on your own ? Labels: Feature Request
yindo closed this issue 2026-02-21 17:17:06 -05:00
yindo commented 2026-02-21 17:17:06 -05:00
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@angus-langchain commented on GitHub (May 5, 2025):

Hi @mindful-time,

You can use our OpenTelemetry integration to trace openinference trace data.

https://docs.smith.langchain.com/observability/how_to_guides/trace_with_opentelemetry

@angus-langchain commented on GitHub (May 5, 2025): Hi @mindful-time, You can use our OpenTelemetry integration to trace openinference trace data. https://docs.smith.langchain.com/observability/how_to_guides/trace_with_opentelemetry
yindo commented 2026-02-21 17:17:06 -05:00
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@mindful-time commented on GitHub (May 5, 2025):

Thanks so i just use the Tracing using the Arize SDK and use that correct

@mindful-time commented on GitHub (May 5, 2025): Thanks so i just use the Tracing using the Arize SDK and use that correct
yindo commented 2026-02-21 17:17:06 -05:00
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@angus-langchain commented on GitHub (May 5, 2025):

Yup, that should do it! LMK if you run into any issues. I haven't tried tracing the mcp sdk specifically.

@angus-langchain commented on GitHub (May 5, 2025): Yup, that should do it! LMK if you run into any issues. I haven't tried tracing the mcp sdk specifically.
yindo commented 2026-02-21 17:17:07 -05:00
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@mindful-time commented on GitHub (May 7, 2025):

Thank you! We have a bunch of MCPs that we are trying to use with Langgraph, and it’s frustrating not knowing what is happening in Langsmith. I will let you know once I set it up.

@mindful-time commented on GitHub (May 7, 2025): Thank you! We have a bunch of MCPs that we are trying to use with Langgraph, and it’s frustrating not knowing what is happening in Langsmith. I will let you know once I set it up.
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Reference: langchain-ai/langsmith-docs#68
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