Show HN: Traccia – open-sourced AI agent runtime governance

Traccia is a production-ready, framework-agnostic Python SDK built on OpenTelemetry for observing, evaluating, and enforcing policies on AI agents and LLM applications at runtime, with features including @govern runtime policies, automatic instrumentation of OpenAI, Anthropic, Gemini, LangChain, CrewAI, and the OpenAI Agents SDK, and OTLP export to backends like Grafana Tempo, Jaeger, and SigNoz. It also offers offline evaluation via evaluate(), versioned prompt management, guardrail detection, and EU AI Act/HIPAA-oriented governance evidence, and is available on PyPI.