Alexander Hinojosa
Builder with AI


I build with AI systems.
Here's what I've learned.

Domain expertise plus an AI partner can solve problems that used to require a team. I build things, document what happens, and share everything.

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We Built Our AI a Phone

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An orchestrator agent with a real phone number you can call — and that can call you. Built on Twilio, xAI speech, and a live agent session as the brain, with every failure kept in.
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Your AI Coding Partner Will Tell You It’s Done. Here’s How to Actually Know.

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Field-tested disciplines for building software with AI partners — the specific ways AI coding partners fail, and the disciplines that catch those failures before they ship.
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The Machinery: A Production Playbook for Coding with AI Agents

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The Machinery: A Production Playbook for Coding with AI Agents. How to wire the disciplines into a real system — the multi-agent, cross-substrate layer the general guides don't cover. Companion to the field guide.
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