anthropics/anthropic-sdk-go v1.81.0

on GitHub

Features

• api: add execution_identity to Managed Agents agents
• api: add organization_type_not_supported error to spend limit lists
• api: add telemetry destination test endpoint
• api: add telemetry destinations to the Admin API
• client: add OpenTelemetry spans for API calls
• client: add OpenTelemetry tracing: each API call, stream and tool run is a span, on by default once the application has registered a tracer provider, and without the content of requests and responses unless option.WithOpenTelemetryTracesContentMode asks for it. Each request carries its span's trace context (traceparent) unless option.WithOpenTelemetryPropagation(false) or ANTHROPIC_OPEN_TELEMETRY_PROPAGATION=false leaves it out, and option.WithoutOpenTelemetry() or ANTHROPIC_OPEN_TELEMETRY=false turns all of it off. Adds the dependency go.opentelemetry.io/otel, v1.33.0 or later

Bug Fixes

• api: rename telemetry destination test response model
• client: return a constant's value from a param union's getter
• client: skip comment-only blocks when decoding event streams
• client: treat proxy-authorization as a sensitive header
• set the required type field in union param constructor helpers

Chores

• docs: correct prefill, thinking, fallback and model descriptions
• docs: document the scope required to assign the managed role
• docs: update model examples
• internal: narrow the tripwire test rule in the contributor guides
• tests: stop listing the stream event types in the accumulator test

Documentation

• api: clarify when custom tool results can be sent
• api: say is_enabled is always true for user spend limits