/ prototypes + experiments

Harvey's Lab.

Solo projects I've been building with AI tools — some made in a single sitting, others over a week or two. Mostly Claude Code. I try stuff out and keep iterating on what sticks — little tools I actually use, prototypes still in motion, patterns I'm figuring out as I go.

06 entries//03 shipped//03 drafts//sorted newest → oldest

● Fresh

Anagnori

Self-guided iOS app for exposure therapy, built around experiments rather than sessions.

SwiftUI/SwiftData/Next.js/Claude Codedemo ↗

Also in the lab

↓ the rest, newest first

plytools

CLI for using Claude Code to brainstorm and track job applications.

Claude Code/Node.js/TypeScriptgithub ↗

Journ

All-local, encrypted, voice-first journaling for iOS and macOS from a single SwiftUI codebase.

Swift/SwiftUI/SwiftDatagithub ↗

Recommend Arena

Twelve recommendation-system designs benchmarked head-to-head on the same dataset and ground-truth queries.

Python/ChromaDB/NetworkXgithub ↗

RunTools

Browser-based running utilities — pace converter, heart rate zones, race predictor. Everything runs client-side.

Next.js/TypeScript/Tailwinddemo ↗

Gen UI Playground

A living catalog of generative UI patterns — streaming outputs, tool-call viz, adaptive forms.

Next.js/TypeScript/Claude Codedemo ↗