Articles

How I Use AI

About muraco.ai

muraco.ai is a blog about how AI actually gets used in work and everyday life, viewed from both hands-on organizational practice and personal product building. It focuses on practical ways of working with AI, AI development and implementation, and internal AI adoption.

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AI Development & Implementation

What GPT-5.4, the Codex App, and Codex Security Reveal About OpenAI's Direction

Looking at GPT-5.4, the Codex app, and Codex Security from the week of March 2, 2026 together, this article explains how OpenAI appears to be moving beyond conversational and coding AI toward supporting a wider range of work.

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AI Development & Implementation

What Is OpenAI Codex Security? I Tried It and Was Impressed by How Naturally It Leads to a Fix PR

I tested OpenAI Codex Security on a real GitHub repository and reviewed the full flow from security scanning to fix PR creation. This post covers a concrete SSRF finding and why the experience feels promising for AI-driven development.

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AI Development & Implementation

What Is Harness Engineering? Designing the Rails That Keep AI Agents Stable

This post explains harness engineering as the outer structure that keeps AI agents stable during long-running, multi-step work. Based on practice, it covers initial alignment, design documents, checklists, handoff notes, review, and the rails around AI-assisted execution.

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Internal AI Adoption

Internal AI Adoption Does Not Move Forward with Training Alone

In this rollout, sharing why AI mattered before training turned out to be especially important. Based on a real rollout in an organization of about 70 people, this post looks back on meaning-making, access distribution, and usage observation.

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AI Development & Implementation

How AI Agents Work: Models, Harnesses, Context, and Tools

This article explains how AI agents work and why similar requests can produce different results, using four elements: models, harnesses, context, and tools.

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How I Use AI

How to Use AI Without Losing Yourself: What to Delegate vs. What Not to Delegate

While using AI to refine a product concept, the explanation became more polished even as the reason I wanted to build it in the first place slowly faded into the background. Based on that failure, this article looks at what people should keep in their own hands, what they can delegate to AI, and how to think about that split through Why, What, and How.

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Internal AI Adoption

The First Step in AI-Driven Process Improvement Is to Break Down the Workflow

A common first move in AI-driven process improvement is to look for tasks AI can replace. This article argues for a different starting point: break the workflow down first, redesign as much of it as possible deterministically, and use AI only where it truly belongs.

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How I Use AI

How to Give AI the Context It Needs for Work: A Practical Introduction to Context Engineering

When AI misses the mark at work, the problem is often not prompt phrasing but missing context. Using examples like meeting notes and slide writing, this article explains how to think about the information AI needs and frames that habit as a practical introduction to context engineering.

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How I Use AI

Why I Started Thinking of AI as a Team

This article explains why I stopped thinking of AI as just a tool and started using it as something that works alongside me through clear roles. Drawing on my own experience, I explore why I began thinking of AI as a team.

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