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feat(anthropic): expose the SDK's open_telemetry option on AnthropicConfig - #3519
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…onfig anthropic-sdk-python traces its own API calls with OpenTelemetry by default. AnthropicConfig had no way to configure or disable those spans other than the ANTHROPIC_OPEN_TELEMETRY environment variable. Pass a new open_telemetry field through to the message and files clients, and document the SDK spans. Closes ag2ai#3490
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Oct 27, 2026
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Why are these changes needed?
anthropic1.14+ traces its own API calls with OpenTelemetry, on by default: with a global tracer provider each request also gets ananthropic.messages.createspan and atraceparentheader.AnthropicConfighad no way to configure or turn that off, so the only switch was theANTHROPIC_OPEN_TELEMETRYenvironment variable.This adds
open_telemetry: OpenTelemetryClientOption = NonetoAnthropicConfig(and itscopy()overrides) and passes it to the SDK client created bycreate()and bycreate_files_client().Nonekeeps the current behaviour (the SDK reads its env vars);Falsedisables the SDK's spans; a dict such as{"traces": {"content_mode": "content"}}configures them. The option type has been exported byanthropicsince before the>=1.15.0floor inpyproject.toml(checked against 1.15.0 and 2.3.0).The telemetry guide gets a short "Anthropic SDK spans" note describing the extra span and the opt-out.
Related issue number
Closes #3490
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Local:
pytest test/config/anthropic→ 289 passed, 1 skipped, 1 xfailed (anthropic 2.3.0). New tests check the default, the pass-through ofNone/False/ a dict to both SDK clients, andcopy(open_telemetry=...). I also confirmed on a real client thatopen_telemetry=Falseresolves totraces.enabled = False.ruff check/ruff format --checkclean.AI assistance
AI assistance was used to draft the change; I reviewed the diff and ran the tests above.