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The Miners

Codeminer42’s Engineering Blog

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Author: emerson.araki

Building a Practical AI Agent with RAG, MCP, and Ollama How I built (and iterated on) a production‑ready AI agent that actually works with real data

Building a Practical AI Agent with RAG, MCP, and Ollama

How I built (and iterated on) a production‑ready AI agent that actually works with real data

emerson.arakiby emerson.arakiFebruary 19, 2026February 19, 2026

Introduction Over the last year, “AI agents” went from a buzzword to something people actually try to ship. And if you’ve tried to build one …

Learning Tech with AI: Turning confusion into Confidence

Learning Tech with AI: Turning confusion into Confidence

emerson.arakiby emerson.arakiNovember 21, 2025November 21, 2025

If you’ve ever sat in front of your terminal thinking, “I know this command… I just can’t remember it,” you’re not alone. IT work is …

Rails’ Dirty Modules: Checking models states Tracking your object's state

Rails’ Dirty Modules: Checking models states

Tracking your object's state

emerson.arakiby emerson.arakiNovember 9, 2022April 11, 2024

Wonderful Monday(?) *All characters appearing in this article are fictitious 9:00 AM Me「It’s Monday already. I really don’t feel like working」 Me「Unfortunatelly, it can not …

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