I tested RAG and Long Context approaches against real open-source documentation using local LLMs on consumer hardware. Here's what I found.

I built a system tray app that toggles the hidden Ultimate Performance power plan on Windows 11 — and automatically re-creates it when Windows silently removes it.

I built a single-file interactive knowledge graph covering MCP, A2A, Skills, and other protocols behind modern AI agents — with courses, quizzes, spaced repetition, and a daily crawler that keeps it up to date.

Why I built a simple CLI tool to scan disk usage, detect space wasters, and suggest cleanups.