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Enterprise AI by day. Rogue stack by night.

Alex Cabrera, Copilot Solution Engineer at Microsoft. By night, my agents and I build Seiryū.

What we buildRead the blog
☾ 20:00–08:00 · Seiryū · agents
Seiryū青龍

The dragon is its agents.

Seiryū isn't a program: it's a team. Salem coordinates; Roar writes, Ideas captures, Lore remembers, Monitor and DevOps look after the house.

RunningBuildingIdea
The map玄 · 青 · 白

Everything turns around the pearl.

The guardians mark the cardinal points; the South is empty on purpose. Tap any node.

Core

Salem

Core

The pearl the dragon holds. It remembers, understands intent and coordinates the other agents.

Right now

The pulse of Seiryū.

What's running, what we're building and the last thing the agents did. It comes from a public, reviewed file, never from internal logs.

seiryūrunning
SalemCore
Running6
Building2
Idea3
example
--:--:--[genbu] operation allowed and signed
--:--:--[salem] asked for permission before acting
--:--:--[ideas] 3 links captured and summarised
--:--:--[roar] draft ready for human review
Writing

What works, what breaks and why.

All writing →
16 Mar 2026 · 4 min · homelab · ai-agents

How I built a self-hosted homelab with local AI agents

The story of how a NAS, a Mac Mini, and too much curiosity turned into a self-hosted AI playground with agents that actually do stuff.
Enterprise AICopilot with real customers: architecture, governance and demos.
Homelab and local AISeiryū's design decisions and trade-offs.
CareerFrom Law to Microsoft, no sugar-coating.
About Alejandro Cabrera Martínez

From Law school to Cloud Engineering, the scenic route through tech.

Deploying AI at enterprise scale by day. Training dragons on a homelab by night. That's not a metaphor: it's Tuesday.

Alex presenting Copilot Control System at a Microsoft event
Copilot Control System · Microsoft event
Alex Cabrera
Move the cursor or your finger
Alex at the Microsoft campus next to a large logo
Microsoft campus
Alex with Minecraft plushies
Minecraft and plushies
Alex working on a laptop at Bizz Summit
Bizz Summit
  1. Copilot Solution Engineer @ Microsoft Spain
  2. Microsoft MVP Alumni
  3. Professor @ The Valley Business & Tech School
  4. Speaker & mentor in tech communities

I started studying Law, worked in a call center, pivoted to IT support, then became an M365 developer and Tech Lead at Sogeti. Now I'm at Microsoft, helping enterprises adopt AI. The scenic route shaped Alejandro Cabrera Martínez every step of the way.

MCTMicrosoft Certified TrainerPL-500Power Automate RPA Developer PL-900Power Platform FundamentalsSC-900Security, Compliance & IdentityMS-900Microsoft 365 FundamentalsPSM IProfessional Scrum Master I