case-study/01
Automated invoice-to-inventory pipeline replacing 5–15 daily manual data-entry workflows for a pharmacy.
- 116 tests passing
- 5–15 invoices/day
- ~21K master items indexed
Python 3.11 · n8n · Google Gemini · rapidfuzz · pywinauto · SQLite · Pydantic v2 · Tailscale
case-study/02
Replaced multi-minute manual proof triggers with a 10-second self-service form
- minutes → ~10 seconds task time reduction
- self-service, no PCM login needed access
Node.js · Express · Playwright · n8n · Gemini 2.5 Flash Vision · Docker Compose
case-study/03
Zero-cost Telegram fitness bot with 4 food-logging modes and AI-driven personalization
- $0/month running cost
- 4 food-logging modes
- 5 scheduled workflows
n8n · Supabase (PostgreSQL) · Telegram Bot API · Gemini 2.0 Flash · Cloudflare Tunnel · Docker Compose
case-study/04
Self-hosted bot tracking badminton court fees and automating payment reminders
- 31/33 scenarios passing Test coverage
- 3 (private, public, escalating) Reminder modes
- Live and in daily use Production uptime
n8n · WAHA (Baileys) · Google Sheets · Google Gemini · Docker Compose · ntfy