Typed, Observable, and Composable Agent Workflows on the JVM

This article discusses three key properties that separate a toy agent framework from a production-ready one: typed, observable, and composable. It showcases how the AgentEnsemble framework on the JVM achieves all three.

Details

The article highlights how the AgentEnsemble framework on the JVM addresses the three key properties of a robust agent system: typed, observable, and composable. By using Java records, the framework can derive a JSON schema from the output structure and automatically deserialize the response, providing compile-time type checking. The observable nature of the workflows allows tracking the execution details, including what happened, why, and the associated cost. Finally, the composable building blocks enable constructing fundamentally different agent architectures from the same set of components. This contrasts with many Python-based agent frameworks that may only achieve one or two of these properties, requiring additional glue code to stitch together a complete solution.