Code got cheap. Making software didn't.
My friend Markus Eisele put it in one line: code is cheap now, software isn't. Until recently, both were expensive, so the gap stayed hidden. Now you just get to the expensive part faster. Writing…
Your Agent Needs to Read Before It Writes
A few months ago I asked an AI agent to write some Quarkus code for me. The code came back, and it worked. It compiled,…
Everyone Says "Context Engineering," But Thousands of Repositories Say AGENTS.md
Eight configuration mechanisms exist for agentic coding tools. A team of researchers went looking for them in 2,853 GitHub repositories, and what came back is…
Quarkus 3.37.0.CR1: extensions start teaching the AI coding agent
The release notes for Quarkus 3.37.0.CR1 read like a busy week. A wave of entries adds an "AI skill" to specific extensions, including `quarkus-quartz`, `quarkus-hibernate-reactive`,…
LangChain4j Brings the Blackboard Pattern to the JVM
The LangChain4j 1.16.0 release notes carry a line that should make anyone running a multi-agent system on the JVM stop scrolling: Introduce Blackboard agentic pattern.…
OpenJDK Won't Accept AI-Generated Code: What's Actually Going On
Recently there was a decision in the Java world that left a lot of people unhappy. The OpenJDK maintainers decided they will not accept contributions…
Crash Recovery for Agentic Workflows in LangChain4j: What Gets Persisted, and Where to Put It
A multi-step agentic workflow is a stateful process. One agent validates an order, another waits on a human decision, a third finalizes it; each step…
ClawRunr: when a Java AI agent belongs in your scheduler
JobRunr shipped ClawRunr, an open-source Java AI agent that runs on your own hardware and executes scheduled, recurring, and one-off background tasks. The part worth…
Quarkus optimizations that change the cold-start budget for serverless workloads on Java
Quarkus 3.35 ships three optimizations that, stacked together, change the cold-start budget for serverless workloads on Java: build-time JAR tree-shaking, Profile-Guided Optimization for native builds,…
The MCP Java SDK as an Anti-Corruption Layer
There is a tempting way to read the arrival of the Model Context Protocol Java SDK: as one more client library to bolt onto a…
Agentic products at scale: what the demo hides
Recently, I sat in on a talk at StartSe AI Festival 2026 that stayed with me for days. On stage was Isabella Piratininga, iFood's Director…
Day 2 at StartSe AI Festival 2026: notes for software engineers
As mentioned in my previous post, I'm in São Paulo this week for the StartSe AI Festival 2026 (May 13 and 14, at Pro Magno…
Day 1 at StartSe AI Festival 2026: notes for software engineers
I'm in São Paulo this week for the StartSe AI Festival 2026 (May 13 and 14, at Pro Magno Centro de Eventos). Context for those…