Java Architecture Diary

Mar 25, 2026 · Artificial Intelligence

Building Java AI Agents with Koog: A Hands‑On Guide to Native Java Agent APIs

JetBrains' newly released Koog for Java provides a native Java AI Agent framework that lets developers annotate methods as tools, assemble agents with a Builder‑style API, and let large language models orchestrate multi‑step tasks without writing explicit control flow, as demonstrated with banking and e‑commerce examples.