Mastra Observability
OpenTelemetry-native tracing for agents, workflows, tools, and LLM calls with first-party exporters for Mastra Cloud, Langfuse, LangSmith, Braintrust, Arize, Arthur, Laminar, Datadog, Sentry, ClickHouse, and PostHog. AI SpanKind semantic conventions and an OTel bridge are supported out of the box.