Lab

RAG vs Long Context

Benchmark comparing RAG, Long Context, and No Context approaches for LLM-based documentation Q&A. Tested on FastAPI docs (~117K tokens) with local models via Ollama.

Tools

LED Grid Builder

Visual web app to design and preview LED grids for MAX7219 modules. Supports multiple grid sizes, colors, icons, scrolling, and blinking effects.

Fudokan Timer

Interval timer for karate training. Preset and custom profiles, color-coded phases, audio alerts, and vibration feedback. Supports English, Ukrainian, and Japanese.

Agent Protocols Graph

Interactive knowledge graph covering MCP, A2A, Skills, and other AI agent protocols. 23 topics, 19 courses with quizzes, spaced repetition, and a daily crawler that keeps content up to date.

UltimatePerfSwitch

System tray app that toggles the hidden Ultimate Performance power plan on Windows 11. Auto-switches based on CPU load and auto-restores the plan when Windows removes it.

Packages

DiskScout

Fast disk usage analyzer CLI tool. Parallel scanning, color-coded charts, space waster detection, and cleanup suggestions. Available as a standalone binary or .NET tool.

dotnet tool install -g DiskScout