Beginner

Agentic Harness Engineering

Building systems that transform the LLM into the new operating system

Mar 31 • Paul Iusztin

From 12 Agents to 1

The mental model that prevents you from overengineering your next AI system.

Mar 26 • Paul Iusztin and Louis-François Bouchard

Agentic AI Engineering Guide

The 6 critical mistakes that silently destroy agentic systems

Mar 19 • Paul Iusztin and Louis-François Bouchard

Why Most RAG Tutorials Fail You

How a senior architect learned RAG from scratch, the production way

Mar 12 • Priya

How to Design Python AI Projects That Don't Fall Apart

A framework-agnostic approach to modular agents, workflows, and LLM apps using the pragmatic clean architecture design.

Jan 13 • Paul Iusztin

The Realistic Guide to Mastering AI Agents in 2026

From zero to production in 6–9 months. What to learn, what to skip, and why most tutorials fail.

Jan 6 • Paolo Perrone

The AI Agents Roadmap Nobody Is Teaching You

9 lessons: from workflows to planning and multimodal AI agents. From scratch. Framework free.

Dec 16, 2025 • Paul Iusztin

Stop Converting Documents to Text. You're Doing It Wrong.

How to work with multimodal agents: images, PDFs, audio, and... text.

Dec 9, 2025 • Paul Iusztin

How Does Memory for AI Agents Work?

The 4 memory types every AI agent needs

Dec 2, 2025 • Paul Iusztin

Building Production ReAct Agents From Scratch Is Simple

I read LangGraph's implementation so that you can build your own, as AI frameworks just bloat your code.

Nov 18, 2025 • Paul Iusztin

You're Not Building Agents: Learn the Fundamentals From Scratch

Why planning is the missing piece between tool loops and true AI agents.

Nov 11, 2025 • Paul Iusztin

Tool Calling From Scratch to Production: The Complete Guide

Master the fundamentals through a deep research agent to learn to properly implement, use, and debug tools in any AI system.

Oct 28, 2025 • Paul Iusztin

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