Matthew Carr

Collaborative travel budget planning for multi-destination, round-the-world trips. Production-quality Next.js with DDD-inspired layered architecture, built AI-assisted.

• Next.js 16
• TypeScript
• Drizzle
• Expo

Cross-repo engineering principles as a Claude Code plugin. Agents read it to learn what good looks like — and write back as the principles evolve.

• Claude Code
• Clean Architecture
• DDD

Reusable agent skills shared across my repositories — TDD loops, dependency triage, design grilling, architecture reviews.

• Claude Code
• Agent skills

Built in the open: Next.js 16 and GSAP, server-rendered, tested with Vitest, Playwright and axe.

• Next.js
• GSAP
• Playwright