Codeminer42's Engineering Blog
AI

Plugins Are How You Ship a Claude Code Harness
I built a dojo where Claude Code tutors you and refuses to type your code. Making that refusal stick took four tries, and the result is a recipe for packaging any team workflow as a plugin.
MyJourney: create product demos without wasting a day
GemLab has several projects running at the same time, and all of them change from week to week. Then someone asks how Mother is doing, and the honest answer is…
I built an AI agent for our World Cup betting pool. She beat all of us.
Memory and context engineering for a long-running AI agent: how BETanIA got a diary, a mood, grudges, and a compaction strategy - and won our World Cup pool.
How Far Can AI Self-Validate Rails Code?
A few weeks ago, I wrote Stop Reading AI Code, Start Measuring It: A Rails Playbook. The idea there was that if you stop hand-reviewing every line of AI-generated code,…
My First Two Weeks as an Agentic Engineer
There's a version of this post where I tell you AI made me 10x more productive, everything clicked on the first try, and I'm now shipping software while sipping coffee…