Anthropic SDK (Python)

pip install anthropic openinference-instrumentation-anthropic \
            opentelemetry-sdk opentelemetry-exporter-otlp-proto-http

import os
from anthropic import Anthropic
from openinference.instrumentation.anthropic import AnthropicInstrumentor
from openinference.instrumentation import using_attributes
from opentelemetry import trace
from opentelemetry.sdk.trace import TracerProvider
from opentelemetry.sdk.trace.export import BatchSpanProcessor
from opentelemetry.exporter.otlp.proto.http.trace_exporter import OTLPSpanExporter

os.environ["OTEL_EXPORTER_OTLP_ENDPOINT"] = "https://otel.agnost.ai"
os.environ["OTEL_EXPORTER_OTLP_HEADERS"] = "X-Agnost-Org-ID=<your-org-id>"

provider = TracerProvider()
provider.add_span_processor(BatchSpanProcessor(OTLPSpanExporter()))
trace.set_tracer_provider(provider)
AnthropicInstrumentor().instrument(tracer_provider=provider)

client = Anthropic()
with using_attributes(session_id="sess-123", user_id="u-42"):
    client.messages.create(
        model="claude-sonnet-4-5",
        max_tokens=1024,
        messages=[{"role": "user", "content": "Hi"}],
    )