NOTES FROM A MIGRATION

A field journal — senior engineer → AI engineer → research engineer.
Year
2026
Logbook
Vol. 02 — Mérida, YUC

Contents

  • Field notes & postmortems
  • Reading: AI Engineering / LLM book
  • Agent orchestration patterns
  • MSc prep — Coursera: AI / ML
  • Workshop paper — drafts

Currently writing on

Putting Claude Code inside someone else’s production codebase — without breaking it.

posts published 14
drafts in flight 06
last shipped 10 May 2026
Direction first, title later. I build software for the parts of Latin America that the government likes to stamp, audit, and double-check — and lately I am teaching language models how to behave inside those rules.

— from Tabasco · living in Mérida · ITM · SciStories

Writing

/ 01 — log
10 · MAY · 26

Putting Claude Code inside someone else’s production codebase

A working pattern from SciStories: how a figma-to-wordpress skill with cooperating agents ships a real WordPress theme — not a demo. What broke, what we kept, and the guardrails that earned their keep.

claude-codewordpressagents
12 min
post · 014
22 · APR · 26

An MCP server for Nuuk: giving a nine-year-old ERP a model-driven mouth

Nuuk has run inventory, purchasing, and accounting for construction and real-estate companies since 2017. Now an LLM can query it through a Spring AI sidecar. Notes on schema discipline, tool naming, and refusing to make the model invent fields.

mcpnuuktooling
9 min
post · 013
28 · FEB · 26

What CFDI 4.0 taught me about prompting

If a tax authority can reject your invoice for a missing field at 03:14 on a Sunday, you learn to write very, very precise specifications. Some of that transfers.

promptingregulatedessay
6 min
post · 010

Now & Reading

/ 02 — current

This week side quests

  • Ship MCP sidecar nuuk-ai v0.1 Spring AI · OAuth2 behind the ERP’s own auth
  • Draft chapter 5 notes — AI Engineering
  • MSc shortlist: UADY / UNAM — research statement v3
  • Vetania — migration 0024 (audit replay)
  • Lanely — board realtime, presence channel
  • Workshop paper outline (target: NeurIPS · ENLSP)

Reading 2026 / Q2

  • AI Engineering — Chip Huyen ch. 1–4 · evals · data pipelines
  • Hands-On Large Language Models — Alammar & Grootendorst ch. 6 · semantic search
  • Designing Data-Intensive Apps — Kleppmann re-read · the consensus chapter, again
  • Tidy First? — Beck quick read between commits

The migration, so far

/ 03 — path
SR. ENGINEER ——————▶ AI ENGINEER ——————▶ RESEARCH ENGINEER (in progress)
2014 CFDI ULTRA AROD NUUK SCIST CC ▸ MCP AI/ML ITM · start FeMexico Ferries Electoral Neurona-Tech Tech Lead Claude Code Servers · tools Coursera · MSc prep