Case studies

Real systems — not demos. Each note summarizes architecture decisions, constraints, and outcomes from production work.

RAG portfolio on shared PHP hosting
BM25 retrieval over markdown, Groq LLM, and no vector database — built for HostGator shared hosting.
Oráculo LegalTech SaaS
AI “virtual colleague” for Colombian litigation with anti-hallucination checks and Habeas Data safeguards.
LaDiariaRAG for newsrooms
Article-discovery agents with MCP servers so journalistic context persists beyond a single chat turn.

Articles planned (next 8–12 weeks)

How I built a RAG portfolio without embeddings on shared PHP hosting — publish to Dev.to / LinkedIn, link here.
MCP + NestJS in production — lessons from Nivelics / client platforms.
RESTless: browser-native REST without Node — problem, design, and when not to use it.
CrewAI & Mastra in real client work — orchestration patterns that survived production.
Anti-hallucination validators for LegalTech — grounding answers in Colombian High Court sources.

Quality over volume: one deep piece every 2–3 weeks. No mass-generated FAQ pages.