Full-stack & iOS developer building tools that make AI agents actually work.
Swift, TypeScript, Go. Open-source dev tools, macOS apps, and AI agent infrastructure.
Caveman — why use many token when few do trick
Claude Code skill that cuts ~75% of output tokens by talking like caveman. Same technical accuracy, way less fluff. One-line install: npx skills add JuliusBrussee/caveman
Claude Code Codex
Blueprint — specification-driven development for AI coding agents
Claude Code plugin that turns natural language into blueprints, blueprints into parallel build plans, and build plans into working software — with automated iteration, validation, and dual-model adversarial review via Codex.
Go Claude Code Codex
Featured on:
Revu — local-first spaced repetition for macOS
Decks, cards, exams, study guides, and FSRS-powered review sessions in one desktop workspace. Open-source core with a commercial product at revu.cards.
Swift SwiftUI FSRS SQLite
Featured on: 
Logo Designer — pixel grid to production SVG
Browser-based logo editor with marching squares + Bézier smoothing, layers, symmetry, light/dark/adaptive export. Try it live →
TypeScript React Vite
Stacklink — RAG layer over Google Drive. Syncs docs, chunks and embeds with pgvector, answers questions with citations via web UI or Slack.
TypeScript Next.js Supabase pgvector Gemini
iOS & Full-stack Developer — Locked In (closed-source)
Swift/SwiftUI with Combine, SwiftData, UIKit. Core ML and Vision for on-device ML. Backend in Node.js and FastAPI. CI/CD with Docker and GitHub Actions.
📬 I write about AI tools and indie development → Substack