LATEST POST
J-Space: Where AI Thoughts Live
Anthropic just found a hidden workspace inside Claude where silent reasoning happens before a single token is written. Here is where it lives and how it works.
Alex de Sousa · Jul 2026
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Building Planck #4: Introducing Planck, an Agent Harness in Elixir
Three constraints shaped Planck: context, specialization, and model cost. Here is what an AI agent framework looks like when you build on OTP.
Alex de Sousa · May 2026
Building Planck #3: The 20/80 Split: Why the Future Is Mostly Local
Frontier models are brilliant but expensive. Local models are fast and cheap but need guidance. Here's how to combine them.
Alex de Sousa · May 2026
Building Planck #2: Specialized Teams vs General Agents
Why one AI trying to do everything produces mediocre results and how to design teams that don't.
Alex de Sousa · May 2026
Building Planck #1: Context Is the Real Problem
Why giving your AI agent more context usually makes it worse and what to do instead.
Alex de Sousa · Apr 2026
ICON 2.0: Realtime Decentralized Quote Prices
By leveraging one of ICON's BTP features, we get realtime quote prices from Balanced DEx
Alex de Sousa · Mar 2022
My Worst Bug
Debugging C/C++ can sometimes be a nightmare.
Alex de Sousa · Apr 2020
My Road to 8 Week Streak
Writing is hard. Writing requires practice.
Alex de Sousa · Apr 2020
AyeSQL: Writing Raw SQL in Elixir
Sometimes good'ol SQL is better than any abstraction.
Alex de Sousa · Mar 2020
Elixir Pubsub In Less Than 50 Lines
A small Elixir pubsub implementation using built-in module :pg2
Alex de Sousa · Mar 2020
Managing Dotfiles with Ansible
A small tutorial on how to use Ansible to manage your dotfiles.
Alex de Sousa · Mar 2020
Oath: Don't Loose Your Keys!
A ZSH plugin for handling your keys.
Alex de Sousa · Mar 2020
Skogsrå: Simplifying Your Elixir Configuration
Improving Elixir configurations for small and large projects.
Alex de Sousa · Feb 2020
Yggdrasil: Easy Pub-Sub in Elixir
An overview of Yggdrasil's capabilities.
Alex de Sousa · Jul 2019
Syntax highlighting in Jekyll
Using Redcarpet markdown renderer to add pygments to Jekyll
Alex de Sousa · Jun 2019