📰 Dev.to · Victor García

An AI agent that can send emails, delete files, and configure VPNs needs guardrails. We built a 4-level approval system with shell control, PIN verification, an

When your personal AI system needs cloud models for complex reasoning but handles sensitive data, you need a privacy router. Here's how we built one with regex,

Most personal AI systems sit idle 95% of the time. We built a background intelligence engine that discovers cross-domain connections, learns your preferences, a

How we fused semantic search, full-text search, knowledge graph traversal, and heat scoring into a single search pipeline using Reciprocal Rank Fusion — all ins

Every record in our system has a temperature. It rises when you interact with it and decays exponentially when you don't. Here's how a simple formula changed th

How two tables, three ALTER statements, and recursive CTEs replaced what most people reach for a graph database to do. At personal scale, PostgreSQL is the grap

A simple post-CRUD pipeline that feeds embeddings, heat tracking, entity extraction, and the changelog — without any of them blocking each other or the user.

I started this project on February 18th, 2026. The idea was embarrassingly simple: I wanted a...