Writing on software design, Ruby on Rails development, and AI convergence.

Where I share what I'm exploring in software development, Ruby on Rails, AI, and everything in between.

A First Agent That Reads One Inbox Over MCP

Connect a Nexo agent to Apple Mail over MCP and triage an inbox read-only by construction, where a fail-closed allow-list makes send and delete impossible.

Testing GLM-5.2 on a Real Rails Upgrade

I used GLM-5.2 via Ollama Cloud and Oh-My-Pi to drive a Rails 6.1 to 8.1 upgrade — removing Node, moving to SQLite, and what the open model got right.

Fragua: The AI Harness I Wanted for Rails

Why I'm building Fragua — a Rails app that orchestrates AI agents through the whole arc of building software, with the work kept visible throughout.