The Main Thread
Markus EiseleDeep dives into Quarkus, AI tooling, and the architecture decisions that actually matter for senior Java engineers.
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Build Zero-Trust Quarkus Services Without Guessing the Boundaries
The ugly part of zero-trust is rarely the first application.properties file. It is the moment an internal service starts accepting calls it should never have seen, and nobody can tell whether the caller was a real service, a stolen token,...
How to Keep a Shared Bob MCP Server From Acting Like One User
Sooner or later every shared MCP rollout runs into the same boring question: who actually did this?
I do not mean which tool name showed up in the trace or which server handled the POST. I mean who approved the deployment, closed the ticke...
Model Routing in Quarkus LangChain4j with Ollama
ForgeCI’s on-call queue looked fine until someone opened the inference bill. “What flag disables cache?” and “why does my pipeline OOM only on cached arm64 builds?” both hit the same model at the same per-token rate. The cheap questions sub...
What Should Go in an AGENTS.md File?
I tend to like the AI post where somebody shares a CLAUDE.md or repo rule file, says “these 21 rules changed everything,” and then the quote tweet count starts to explode.
I like those posts more than most AI productivity advice because...
AI Coding Break-Even: Cheap Tokens, Expensive Software
I keep seeing the same chart in AI budget discussions. Token bill on one side, developer salary on the other, tiny AI bar, giant human bar, conclusion achieved.
I do not like that chart because it prices the easiest part of software and qu...
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Authors
The writers behind this newsletter.
I’ve spent 20+ years helping Java systems adapt without breaking. Here I share the architecture, tools, and thinking behind that work. Java Champion · Developer · IBM Research.
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