Obie Fernandez – Medium

Obie Fernandez

Published in

Introducing Manceps

At ZAR we’ve been building MCP integrations in Ruby and kept hitting the same problems: HTTP libraries dropping connections that MCP…

1d ago

Introducing Manceps

1d ago

Published in

Stop Memorizing Port Numbers: Introducing dot-test

If you’re a Rails developer juggling multiple projects locally, you know the drill. One app on port 3000, another on 3001, a third on……

Mar 10

Stop Memorizing Port Numbers: Introducing dot-test

Mar 10

Published in

It might be time to say goodbye to HTML inputs

Why does my web app need forms if my users have Claude Code to interact with it?

Feb 24

It might be time to say goodbye to HTML inputs

Feb 24

Published in

Code Mode MCP

Give Your AI Agent an Entire API in 1,000 Tokens

Feb 22

Code Mode MCP

Feb 22

Building a Personal CTO Operating System with Claude Code

How I use AI as an executive assistant to manage 10 engineers, ship code, and operate at the C-level simultaneously.

Jan 25

Building a Personal CTO Operating System with Claude Code

Jan 25

Published in

We’re Building Something Different. Want In?

The first post from ZAR’s engineering team

Jan 15

We’re Building Something Different. Want In?

Jan 15

What Used to Take Months Now Takes Days

Building production software with Claude Code while doing my day job

Jan 4

What Used to Take Months Now Takes Days

Jan 4

My Full Supplement Stack for 2026

Better living through chemistry

Jan 1

My Full Supplement Stack for 2026

Jan 1

Sísifo versus el Director de Orquesta

Por qué la IA se siente como trampa para algunas personas

Dec 24, 2025

Sísifo versus el Director de Orquesta

Dec 24, 2025

Sisyphus versus the Conductor

This essay is an attempt to explain why intelligent, well-meaning people can look at the same AI tools and feel either excitement or…

Dec 24, 2025

Sisyphus versus the Conductor

Dec 24, 2025

Obie Fernandez

Obie Fernandez

Author, and Software Engineer. Partner at Magma Labs. Electronic Music Producer/DJ. Dad. ❤️‍🔥 Mexico City ❤️‍🔥 he/him

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