Loop Engineering: Automation in the Age of AI
Everyone's saying we should write loops, not prompts. Strip away the novelty and it's automation — with one new thing sitting inside the loop's body.
XergioAleX - CTO & Co-founder at DailyBot (YC S21)
CTO & Co-founder at DailyBot (YC S21). Full Stack Developer, speaker, and tech entrepreneur with 14+ years building digital products from Colombia.
Latest posts
Deep Work Plan: Give Your Agent a Plan and a Harness
An agent nailed the first hour and drifted by the third. The fix wasn't a smarter model — it was a durable plan the repository itself could hold the work to.
Midjourney Wants to Scan Your Whole Body in 60 Seconds
Midjourney, the AI image company, unveiled a full-body ultrasound scanner and a wellness spa. Is it a pivot or a new division — and does the tech actually work?
The Harness Layer: The System Around the Model
Harness engineering is the new way to steer AI agents — the system around the model that checks its work and stops it repeating the same mistake.
Claude Fable 5: The Model They Wouldn't Release Is Now in Your Hands
Anthropic said a model was too dangerous to release. Then they released it — same weights, new name, and a safety layer that changes the equation.
The Skill Layer: When Agents Stop Reinventing the Wheel
An agent that can install a skill from a URL stops reinventing the wheel. A field report on the standard agents are quietly building beneath the surface.
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.
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.
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.
OpenClaw at FLISOL: The Lobster That Took Over Open Source
My FLISOL talk at UTP Pereira: the story of OpenClaw and its creator Peter Steinberger, and how a one-hour WhatsApp bot reshaped the AI-agent world.
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.
Abril Mobile: The Talk Where I Finally Picked a Mobile Path
My Abril Mobile talk at Universidad Católica de Pereira: how a full-stack dev chose a path to learn mobile in 2026 — and why I picked Kotlin Multiplatform.
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.
The Moltys Meetup: An OpenClaw Morning at the UTP
The Moltys meetup at the UTP in Pereira — an OpenClaw community workshop with Cursor where I walk through its history, use cases, and architecture.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Building XergioAleX.com: How I Built My Personal Website with Astro, Svelte, and AI
From one-page landing to bilingual, AI-ready XergioAleX.com: architecture, stack choices, and why Astro + Svelte fits static sites.
The Future of AI: Code, Hardware and Agents
Pereira Tech Talks with Sebastián Mora — from writing code to orchestrating agents, what MCPs unlock, and a robot at a software meetup.
AI and the New Era of Programming at Open Tech Hackathon
From my Vibe Coding e IA workshop at Open Tech Hackathon — Cursor vs Codex vs Claude Code, conductor mindset, shipping AI at DailyBot.
Building sebastianmartinezvanegas.com: The Website I Built for a Talented Colombian Poet
Astro and Svelte portfolio site for Sebastián Martínez Vanegas, Colombian poet and winner of the Emilio Prados International Poetry Prize.
Building sergioykathe.com: The Wedding Website I Built for Our Special Day
A fully static wedding invitation site built with Astro, Svelte, and GitHub Pages — unique codes, RSVP via Google Forms, zero backend.
From Manual Trading to Algorithmic Trading
How I moved from manual MetaTrader 4 trading to migrating scripts, indicators, and expert advisors into MetaTrader 5 for stronger automation.
Migrating Pereira Tech Talks: From Ghost to Astro
Migrating pereiratechtalks.org from Dockerized Ghost to static Astro on GitHub Pages — ten years of lessons packed into two weeks of code.
Astro in Action
Why Astro won me over — Microsoft and Firebase cases, measurable gains, and a live Pereira Tech Talks migration to prove it is not hype.
What Is Market Profile in Trading (and Why It Changed My Process)
Market Profile as a visual framework for imbalance zones, institutional flow, and structured trading decisions instead of pure intuition.
My Trading Journey: From Futures to Forex
From futures with friends to Forex and Market Profile — discipline, psychology, and consistency matter more than chasing fast profits.
How AI is Revolutionizing Modern Application Development
What changed between May and August 2023: Manizales Tech Talks on AI transforming app development, three months deeper into the revolution.