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Supply chain attacks in the AI era: the state of open source in 2026

Public package registries have shipped malware over and over this past year. What's happening, why AI changed the game, and how to lock down the install side.

Building a Multilingual Slide System Inside Astro with Reveal.js

How I built a two-type slide deck catalog inside my Astro website — discriminated unions, AEO twins, asset isolation, and live theme sync.

The Best Slides-as-Code Presentation Tools for Developers

A hands-on comparison of Reveal.js, Slidev, Marp, Spectacle, and more — with a feature matrix to pick the right slides-as-code tool for developer talks.

1/2 Slides as Code

Reaching 100 on isitagentready.com: What Your Site Needs in the Era of Agents

Five categories, eight artifacts, one concrete guide: what your site needs to be agent-ready — including the commerce layer I deliberately don't fake.

5/5 AEO: From Invisible to Cited

Mobile Development in 2026: State of the Art and Where to Start Today

State of the art of mobile development in 2026: the available options, how each one works, and where it actually makes sense to start today.

1/1 Learning Mobile Development

The Agentic Web: Everything Cloudflare Launched in Agents Week 2026

Around 30 launches in one week. Everything Cloudflare shipped at Agents Week 2026 — runtime, MCP, standards, measurement — organized by layer.

OpenClaw: Your Assistant. Your Machine. Your Rules. — How It Became a Movement

The story of OpenClaw and the birth of personal AI assistants — a new paradigm of local, open agents owned by you, not by a company.

1/1 Mastering OpenClaw

Isaac Asimov and his work: the man who saw the future before anyone else

A journey through the life and work of Isaac Asimov, from the Foundation saga to the Three Laws of Robotics, and why his predictions are coming true in the age of artificial intelligence.

2/2 The Library of Tomorrow

The Library of Tomorrow: where science fiction meets reality

A sci-fi reading club is born inside the Pereira Tech Talks community. In this series I share reviews and reflections on the stories, movies, and tales we read and watch each week.

1/2 The Library of Tomorrow

Claude Mythos: The Model Too Dangerous to Release

Anthropic built a model that found thousands of zero-days in every major OS. They won't release it — they assembled a $100M coalition instead.

5/5 Working with Agents

Becoming an AI Engineer: An Agent Is Not a Prompt

Most people think an agent is an LLM with tools. They're wrong. A real agent is a system — and building one requires a different kind of engineering.

1/1 Building Agents

PreTeXt: The Library That Makes Text Programmable

I didn't get the hype around a text measurement library. So I built dozens of demos — from masonry grids to a sphere that reflows text at 60fps.

The Agent Economy: When AI Gets Its Own Money

AI agents now have payment cards, wallets, email, and social networks. A new economy is forming — and it's not what I predicted in 2018.

4/5 Working with Agents

The Permanent Hackathon: Why We Can't Stop Building

AI was supposed to give us more free time. Instead, it created an addictive building loop — backed by neuroscience, economics, and a meetup confession.

3/5 Working with Agents

The Hidden Job of the AI Era: The Art of Directing Agents

AI agents aren't productivity multipliers — they're judgment multipliers. Why direction matters more than the model, and what that means for engineering.

2/5 Working with Agents

From Programmer to Orchestrator: The Silent Revolution Almost Nobody Sees

How I went from writing every line of code to orchestrating AI agents — and why the biggest tech revolution is happening so quietly that almost nobody sees.

1/5 Working with Agents

Migrating to Astro 6: Was It Worth the Wait?

How I migrated XergioAleX.com to Astro 6 in minutes, what broke, and why the experimental Rust compiler turned perception into measurable speed.

9/9 Building XergioAleX.com

The Scorecard: How to Measure What AI Can't Tell You

AEO measurement is years behind AEO optimization. Here's what the industry has, what's still missing, and one audit framework that gives you something concrete to work with.

4/5 AEO: From Invisible to Cited

Markdown for Agents: Making Your Content Speak AI's Language

Markdown for Agents: content negotiation meets AI—what the pattern means and a working Astro plus Cloudflare Pages implementation.

3/5 AEO: From Invisible to Cited

The Shift: Why Rankings No Longer Mean Visibility

The search landscape changed — and most sites aren't ready. Here's what the shift looks like, why AI answer engines work differently, and the two foundations every site should have in place.

2/5 AEO: From Invisible to Cited

AEO: What Changes When AI Starts Answering Instead of Linking

AI agents are now some of the most important visitors to your site — and they don't click links. A practical guide to Answer Engine Optimization: what it is, how it differs from SEO, and why the first-mover window is still open.

1/5 AEO: From Invisible to Cited

Why I Ditched ESLint + Prettier for Biome

After years of chasing ESLint upgrades and managing the Prettier conflict dance, I switched to Biome. One config file, one binary, and I haven't looked back.

GoCarga: My First Startup Adventure and the Art of the Pitch

How building a cargo transport platform with university friends taught me the most valuable entrepreneurial skill: telling a story that makes people believe.

Tracking the Invisible: How I Built AI Bot Analytics with Zero Client-Side JavaScript

One Cloudflare Pages middleware file reveals AI crawler visits that client-side JavaScript analytics completely miss—no extra scripts required.

8/9 Building XergioAleX.com

The Best Way to Deploy Your Astro Site for Free

After years deploying static sites on GitHub Pages, I evaluated the free options and landed on Cloudflare Pages. Here's what I learned and what surprised me.

7/9 Building XergioAleX.com

How I Built a Multilingual Website with Astro

Designing multilingual Astro from scratch: typed translations, the Page Wrapper pattern, and scaling to more languages without rewiring components.

6/9 Building XergioAleX.com

Astro and Svelte: Why I Believe They're the Future of Web Development

Why Astro and Svelte simplify modern web development—State of JS 2025 data, benchmarks, and practical lessons from building this website.

Architecture of a Scalable Blog Without a Backend

How this blog scales without a backend: Content Collections, tag taxonomy, client search, series navigation, and bilingual builds.

5/9 Building XergioAleX.com

Measuring What Matters: How I Set Up Free Analytics Without Sacrificing Performance

Chapter four while building XergioAleX.com: free analytics with privacy-first tools that keep Lighthouse at 100—no cookie banners.

4/9 Building XergioAleX.com

The Road to 100: How I Achieved Perfect Lighthouse Scores on Every Category

The story of reaching 100/100/100/100 on Lighthouse PageSpeed for Performance, Accessibility, Best Practices, and SEO on mobile and desktop.

3/9 Building XergioAleX.com