Harper Tech Lab
Automations, web apps,
and AI experiments.
Built, documented, and shipped. Full-stack developer by trade, exploring what AI can actually do in production — building tools, automating real workflows, and writing honestly about what it takes.
Featured Projects
All projectsA fully local, self-hosted AI Dungeon Master. Pick a campaign setting, build your character, and let a local LLM narrate your adventure — with real dice rolls, quest tracking, a world map, voice narration, and persistent save states. No cloud. No API keys.
A fully local, private mock interview coach. Upload your CV, pick the role and difficulty, and work through a realistic interview with detailed scored feedback — no account, no internet, no data sent anywhere.
Interactive data explorer for three NASA datasets — 2,000 near-Earth asteroids, 90,836 close approach events, and 240 classified stars. Features 3D orbital mechanics, a Hertzsprung-Russell diagram, danger scoring, and a local AI assistant.