
TokenJam is an open-source, OTel-native observability tool designed for autonomous AI agents. It provides comprehensive telemetry, including agent spans, tool calls, and token metrics, all conforming to GenAI Semantic Conventions. TokenJam offers real-time USD cost tracking per agent, model, and task, with configurable daily budget alerts. It includes sensitive action alerts for activities like email sends and file writes, local behavioral drift detection, and output schema validation. The tool features a full-featured CLI and local REST API, ensuring seamless integration with existing workflows. TokenJam supports various platforms, including Anthropic, OpenAI, Google Gemini, AWS Bedrock, LangChain, and more. By offering these features, TokenJam addresses the need for detailed observability in AI agents, ensuring they operate efficiently and safely without unexpected costs or behaviors.