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Build your Second Brain AI assistant

Feb 6, 2025 • Paul Iusztin

Stop Building AI Agents

Jun 26, 2025 • Hugo Bowne-Anderson

Agentic AI Engineering Guide

Mar 19 • Paul Iusztin and Louis-François Bouchard

Context Engineering: 2025’s #1 Skill in AI

Jul 22, 2025 • Paul Iusztin

Decoding AI Magazine

Decoding AI Magazine

Join for content on designing, building, and shipping AI software. Learn AI engineering, end-to-end, from idea to production. Every Tuesday.

The latest from

Paul Iusztin

How to Keep Your AI Agent's Knowledge Graph Clean

Anca Ioana Muscalagiu

Your Agent's Reasoning Is Fine - Its Memory Isn't

Recent posts

How to Keep Your AI Agent's Knowledge Graph Clean

The resolution, deduplication, and review pipeline that keeps agent memory usable as it grows.

Jun 2 • Paul Iusztin

Stop Chasing the Perfect Ontology

Start with a fixed, generic base and extend only when your data demands it.

May 26 • Paul Iusztin

Inside Neo4j's Agent Memory

The knowledge-graph patterns that turn one-shot conversations into compounding intelligence.

May 19 • Paul Iusztin

Also on

Books

LLM Engineer's Handbook

Master the art of engineering Large Language Models from concept to production.

Courses

Agentic AI Engineering Guide

A 6-day email course to reveal the 6 critical mistakes that silently destroy agentic systems.

Agentic AI Engineering

Become an Agentic AI Engineer with a production-ready portfolio.

Explore Full Catalog

Write real code. Ship real AI products.

Access real-world guides. From the PoC purgatory to shipping AI products.

Foundations

How to Keep Your AI Agent's Knowledge Graph Clean

The resolution, deduplication, and review pipeline that keeps agent memory usable as it grows.

Jun 2 • Paul Iusztin

Stop Chasing the Perfect Ontology

Start with a fixed, generic base and extend only when your data demands it.

May 26 • Paul Iusztin

Building Agentic GraphRAG Systems

From knowledge graphs and ontologies to a unified memory as an MCP server for your AI agent.

May 5 • Paul Iusztin

Stop Orchestrating AI Agents. Use Ralph Loops Instead.

How one simple loop beats multi-agent orchestration and context rot in production.

Apr 23 • Paul Iusztin

Your RAG Pipeline Is Overkill

The pattern that lets your model write code to explore its context instead of retrieving it.

Apr 7 • Paul Iusztin

Case Studies

Inside Neo4j's Agent Memory

The knowledge-graph patterns that turn one-shot conversations into compounding intelligence.

May 19 • Paul Iusztin

What Held Up at 3 AM: One Engineer's RAG Case Study

You iterate. You evaluate. Weave CLI unifies 11 vector databases into one workflow.

Apr 29 • Paul Iusztin and dr.max

Karpathy Named It. I Built One on My Notes.

A deep research agent over my notes, highlights, and transcripts, grounded in years of curated thinking, not the public web.

Apr 21 • Paul Iusztin

How to Ship a Weekly Article in One Day

Inside the agentic AI workflow behind my weekly newsletter, course, and content

Apr 15 • Paul Iusztin

Agentic AI Engineering Guide

The 6 critical mistakes that silently destroy agentic systems

Mar 19 • Paul Iusztin and Louis-François Bouchard

Projects

From Vibe Coding to a Real Engineering Team

My Claude Code agentic coding setup that ships features end-to-end

May 12 • Paul Iusztin

Getting Agent Architecture Right

Designing real-world AI agents with MCP without burning your time, money, and SANITY.

Sep 6, 2025 • Anca Ioana Muscalagiu

Build with MCP Like a Real Engineer

Hands-on code for an enterprise AI PR Reviewer by unifying GitHub, Slack, and Asana through MCP.

Aug 30, 2025 • Anca Ioana Muscalagiu

Why MCP Breaks Old Enterprise AI Architectures

Build from scratch an AI PR reviewer integrated with GitHub, Slack and Asana that scales within your organization.

Aug 19, 2025 • Anca Ioana Muscalagiu

The King of Multi-Modal RAG: ColPali

Query your rich visual PDFs under a RAG web app

Jun 5, 2025 • Juan Ovalle

Access real-world guides. From the PoC purgatory to shipping AI products.

Guests

What Held Up at 3 AM: One Engineer's RAG Case Study

You iterate. You evaluate. Weave CLI unifies 11 vector databases into one workflow.

Apr 29 • Paul Iusztin and dr.max

Why Most RAG Tutorials Fail You

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

Mar 12 • Priya

Scaling to 120+ AI Agents Without Losing Control

How two-tier orchestration keeps multi-agent systems debuggable

Mar 5 • Lucian Lature

Behind the Scenes of AI Observability in Production

What actually works after 6 months of trial and error

Feb 3 • Alejandro Aboy

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

Newsletter

Why Most RAG Tutorials Fail You

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

Mar 12 • Priya

I Spent 9 Months Building an Agentic AI Engineering Course

Google is already recommending it alongside Coursera, DeepLearning.AI and Oxford.

Feb 26 • Paul Iusztin

Thank You for Supporting Decoding AI

Roadmap updates and the new DAI chat.

Feb 19 • 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

November Highlights: From Foundations To Production AI

AI Agents series finale. Controlling LLM output. Vertical AI agents & The Evals series.

Dec 18, 2025 • Paul Iusztin

Access real-world guides. From the PoC purgatory to shipping AI products.