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Elder Moraes

Backend | Java | Quarkus | AI | Career

AI

Quarkus LangChain4j 1.9.x: first-class MCP, Skills, and Neo4j for enterprise agents on Java

07/05/2026 by Elder Moraes

Three things landed in the enterprise plumbing in the past few weeks. At Knowledge 2026 (May 5), ServiceNow announced Action Fabric, an open MCP (Model Context Protocol) server, building on top of the Now Assist MCP Server Console that has been GA since the Zurich release earlier this year. Jama published its own MCP Server. … Read more

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Java developers should pay attention to JetBrains Air

26/03/2026 by Elder Moraes

A lot of AI coding demos look impressive for about five minutes. Then reality shows up. Reality is the old service nobody wants to touch on a Friday afternoon. Reality is the module with naming debt, historic compromises, and a commit history that reads like a crime scene. Reality is the enterprise Java codebase that … Read more

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Context Engineering: the role beyond Prompt Engineering

24/03/2026 by Elder Moraes

LLM is CPU. Context window is RAM. Andrej Karpathy captured something real with that analogy: the model processes, but the context is where information lives. What the model can reason about is bounded by what you put in that window, and how you structure it. In 2026, Gartner formally defined context engineering as a core … Read more

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How to put coding agents under control in Java teams

19/03/2026 by Elder Moraes

A few years ago, if you told a Java team that an AI tool could open a pull request, a lot of people would treat that as the finish line. To be honest, I never saw it that way. Opening a pull request is the easy part. The hard part is everything that comes after … Read more

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LangChain4j Gives Java Teams a Practical AI Stack

17/03/2026 by Elder Moraes

A few days ago, I was reviewing what has actually changed in the Java plus AI ecosystem lately. Not the hype, but the pieces that help a team move from a nice demo to something they can support in a real environment. I will be honest, this is the part I care about most. Calling … Read more

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