Add basic OpenTelemetry tracing for client and server requests - #2381

Merged

maxisbey merged 16 commits into

mainfrom

marcelo/otel-spans

Mar 31, 2026

Commits on Mar 31, 2026

Add basic OpenTelemetry tracing for client and server requests
Kludex
committed
bbdd99b
Make opentelemetry-api a mandatory dependency
Kludex
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e1ebbc7
Use logfire[testing] for OTel test assertions
Kludex
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7795f34
Use 'MCP send' prefix for outgoing request spans
Kludex
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e2d4b03
Propagate W3C trace context via _meta per SEP-414
Kludex
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0e0b746
Address review feedback on type annotations and _meta injection
Kludex
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54f8787
Merge branch 'main' into marcelo/otel-spans
Kludex
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a700ab9
Skip OTel test when logfire.testing is not available
Kludex
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2369988
Merge branch 'marcelo/otel-spans' of github.com:modelcontextprotocol/python-sdk into marcelo/otel-spans
Kludex
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f43dc4a
Pin logfire>=3.0.0 dev dependency and restore direct import
Kludex
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0391854
Use single backticks in docstrings
Kludex
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1ee1dfd
Record ERROR status on server spans for error responses
Kludex
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d9dcc85
Move StatusCode import to top of file
Kludex
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f79767e
Use SpanKind enum directly instead of string conversion
Kludex
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8ae416e
Add comment explaining filterwarnings on OTel test
Kludex
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b47c9c5
Use isinstance assert instead of type: ignore in OTel test
Kludex
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e00d336