Productivity on Daniel Ancuta

Building a full CLI tool with spec-kit (spec-driven development) and Claude (AI)

Fri, 02 Jan 2026 00:00:00 +0000

Prompt engineering has become a fundamental skill for developers. There are different ways to approach it.

Some are more manual, some are way more automated with semi or fully autonomous agents.

From Bug Fixes to Full Features: Building React Applications with Claude Code

Sat, 29 Nov 2025 00:00:00 +0000

So here’s the situation: our frontend team had this growing backlog of UI tweaks.

Buttons slightly off, wrong font sizes, missing translations, components that didn’t quite match what the designers put in Figma.

Refactoring Massive OpenAPI Specs with Claude Code

Mon, 17 Nov 2025 00:00:00 +0000

I was recently asked to help improve OpenAPI specs for a project where the documentation had gotten completely out of hand. Thousands of lines of OpenAPI specs scrambled in a few files.

AI: Improve your prompt with AI

Fri, 24 Oct 2025 00:00:00 +0000

Either you have prompt that was built based on some template or you have built it from scratch, sooner or later you will need to improve it.

So every time you use it produces better output for your recurring tasks.

Building Better Habits - One Square at a Time

Thu, 24 Apr 2025 00:00:00 +0000

There are many theories on how to build habits - some more complicated than others.

Over the years, I’ve tried a few different methods. What’s worked best for me is breaking big goals into tiny steps.

Book: Soft Skills by John Z. Sonmez

Sat, 22 Mar 2025 00:00:00 +0000

As you might have noticed by the title, Soft Skills by John Z. Sonmez is not a typical book for developers.

But is it?

Even though this book doesn’t talk about technical aspects like the structure of your code,
programming languages (though .NET is mentioned a few times), or what cloud (or no-cloud) provider you should use – over its 500+ pages, John dives into a wide range of topics you might be surprised to find in a book dedicated to developers.