Look What Java Can Do Now: Live-Coding a GenAI MCP Server with the JAQ Stack

For years, a common bias has held that serious AI development is best left to other ecosystems. This session is here to change that perspective with a live, hands-on demonstration. It’s time to show the world what enterprise Java can really do in the age of AI.

With the release of Helidon MCP, it allowed us to explore and challenge this old narrative. We can now build high-performance, GenAI-native MicroProfile (MCP) servers from scratch. This is a “fresh perspective” on modern Java, proving that you can build secure, powerful, and scalable AI applications entirely within the JVM ecosystem you already know and trust.

This session introduces the JAQ Stack, a novel technology pattern for this new reality: J (Java/Helidon MCP): We’ll use Helidon to build a blazing-fast, lightweight, and cloud-native server, perfect for handling enterprise workloads.

A (AI/Ollama): We’ll integrate a local LLM via Ollama, solving one of the biggest real world enterprise problems: 100% data privacy and security.

Q (Query/LangChain4j): We’ll use this powerful Java-native library to build a sophisticated RAG (Retrieval-Augmented Generation) pipeline and orchestrate our AI logic.

This is not a slide heavy talk. This is a dynamic, live coding session, delivering deep technical insights for developers. Attendees will see, step-by-step, how to solve a common business problem with a 100% Java-native stack. And because the JAQ Stack is batteries included and comes with pre-built applications, they’ll leave with a blueprint that is incredibly easy to get started with.