building
Added the notes distribution layer
Notes now have a clear cross-post path for LinkedIn and X, plus copyable post text. The goal is simple: publish once on the site, then drive attention back to the owned page.
Notas
Notas estructuradas: ideas centrales, perspectivas y conclusiones prácticas de lo que estoy leyendo y estudiando.
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Construyendo en publico
Notas que muestran el trabajo mientras se construye
Cada nota puede compartirse en LinkedIn o X, pero el enlace canonico vive aqui. La idea es convertir aprendizajes, lanzamientos y decisiones tecnicas en prueba publica.
shipped
Added demo media slots to product pages
ResistGate and Amethyst now have explicit demo sections using real screenshots, with room to replace them later with GIFs or recorded walkthroughs.
writing
Published 3 pillar posts on AI engineering
Wrote three long-form pieces targeting the gaps I see in production AI work: reliable product design, agent architecture patterns, and prompt engineering for real inputs. These are the things I keep explaining to people. Now they are linkable.
AI engineering
Production AI patterns, evals, reliability, prompts, agents, and product-grade model workflows.
AI engineering
Why Local-First Time Tracking Protects Your Privacy
Time tracking data is behavior data, and behavior data deserves local-first defaults.
Why privacy-first time tracking should keep sensitive activity data on device, and how local-first product design changes trust.
29 de mayo de 2026
AI engineering
How to Build Reliable AI Products: A Production Engineering Guide
Reliability is an engineering discipline, not a model property.
Most AI products fail in production not because the model is wrong, but because the engineering around it wasn't built for variance. Here's the framework I use.
20 de abril de 2026
AI engineering
AI Agent Architecture: Patterns That Actually Work in Production
Agents fail at the seams, not the steps.
Most agent architectures break not because individual steps fail, but because the connections between them weren't designed to handle failure, ambiguity, and partial state.
17 de abril de 2026
AI engineering
Prompt Engineering for Production: Moving Beyond Demos
Prompts that work in demos fail in production because demos don't have variance.
Demo prompts are optimized for the best case. Production prompts need to handle the full distribution of real inputs. That requires a different design philosophy.
14 de abril de 2026
AI engineering
AI builders: chase primitives, not model size
Models impress. Systems ship.
Bigger models are not the same as better products. Real progress comes from primitives and engineering patterns that reduce variance and make outcomes reliable.
26 de febrero de 2026
Product thinking
Notes on positioning, pricing, revenue funnels, product judgment, and building in public.
Product thinking
Choosing Between ResistGate and Cold Turkey for Distraction Blocking
Cold Turkey is for hard lockdowns. ResistGate is for breaking the reflex before the site opens.
A practical comparison of ResistGate and Cold Turkey for people choosing between strict website blocking and lighter, privacy-first friction.
29 de mayo de 2026
Product thinking
Building Product Revenue Funnels in Public
A product page is not proof by itself. The funnel needs visible outcomes, demo evidence, and a reason to stay connected.
I am turning the portfolio into a compounding product system: clearer product pages, demo media, email capture, and build notes that show the work as it ships.
25 de abril de 2026
Product thinking
Legacy UI is the New Tech Debt
An API can handle the whole thing.
Most businesses still expect people to navigate web pages and click buttons when an API could handle the whole thing. It's time to move towards raw APIs and CLIs.
14 de marzo de 2026
Product thinking
Personal Page - From Portfolio to Product
Stop presenting projects. Start shipping a system that compounds trust.
A personal site should operate like a product: clear positioning, one CTA, proof, distribution, and legal foundations that make growth and revenue sustainable.
26 de febrero de 2026
Chrome extensions
Practical guides for Manifest V3, privacy-first browser tools, and extension distribution.
Chrome extensions
Chrome Extension Message Passing with TypeScript: The Complete Guide
Type your messages first — the rest of the architecture falls into place.
How to send typed messages between popup, background service worker, and content scripts in a Chrome extension — with discriminated unions and async patterns.
9 de mayo de 2026
Chrome extensions
How to Build a Chrome Extension in 2026
Chrome extensions are more relevant than ever — if you approach them with a real product mindset.
An honest guide to the Chrome extension opportunity in 2026 — market realities, unique advantages, real downsides, and what the AI era changes.
7 de mayo de 2026
Chrome extensions
How Chrome Extensions Actually Work in 2026 (Manifest V3 Explained)
Get the mental model right before writing a single line of extension code.
A clear mental model for Chrome extension architecture under Manifest V3 — the four components, how they connect, and why MV2 is dead. No code, just the structure.
3 de mayo de 2026
Chrome extensions
Build Your First Chrome Extension with TypeScript from Scratch
A modern extension starts with a typed build loop.
A practical walkthrough for building a Chrome extension with TypeScript, Vite, CRXJS, and Manifest V3 from an empty folder.
1 de mayo de 2026
Chrome extensions
How to Persist State in a Chrome Extension (Without Losing It)
Service workers terminate; your global state disappears with them.
Why service workers kill your global variables, how chrome.storage.sync and chrome.storage.local work, and how to build typed storage wrappers in TypeScript.
1 de mayo de 2026
Chrome extensions
Building a Chrome Extension Popup with React and TypeScript in 2026
React earns its complexity only when your popup has real dynamic state.
When React is worth it for a Chrome extension popup, how to set it up with CRXJS and Vite, and how to wire typed state to chrome.storage and message passing.
1 de mayo de 2026
Chrome extensions
Chrome Extension Permissions: How to Ask for Less and Ship Faster
Request the minimum permissions upfront—every extra scope costs user trust.
The MV3 permission model explained—activeTab vs host permissions, optional permissions, Content Security Policy, and how to avoid Web Store rejection.
1 de mayo de 2026
Founder mindset
Mindset
Performance
Systems design
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