Jay Stewart

Work

Two systems and a practice, written up properly.

Not a list of projects. Each of these explains the problem, the constraints that shaped the architecture, what the trade-offs actually cost, and where it currently falls short.

In production2026 — present

An agent-operated production codebase

The practice both systems here are built with: parallel agent sessions, gates that do not depend on reviewer attention, and the context layer that turned out to be lying.

Agent-attributed commits
2,765
Commits, both systems
3,423
  • Claude Code
  • Git worktrees
  • Local gate (pre-push hook)
  • TypeScript
  • +1

Read the case study

In production2026 — present

AgendaProfe

Scheduling, payments and live video teaching for independent language teachers, live in production since May 2026.

Lines of code
427,121
API routes
288
  • Next.js
  • React Native
  • Postgres
  • Stripe
  • +3

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Parked, pre-launch2026

Live positions for an unmapped bus network

Inferring where buses are from anonymous rider signals, on a network with no vehicle tracking, no published timetable and no operator data feed.

Commits
1,406
Test files
148
  • React Native
  • Next.js
  • Postgres
  • Fly.io
  • +2

Read the case study