Technology
n8n
Everything on this site involving n8n — projects, articles, research and tools.
UDEMY$89
Business Automation Engineering
Process design, idempotency, error handling and observability — the engineering discipline that separates a workflow demo from a production system.
IntermediateDifficulty: Intermediate★ 4.68h940 studentsPython · n8n · Power Automate
Business Systems
AI Invoice Processing System
An invoice pipeline that extracts structured data, scores its own confidence per field, and routes anything uncertain to a person — because 95% accuracy on invoices is a finance problem.
IntermediateDifficulty: Intermediate~14h buildPython · Claude API · PostgreSQL
Code
Automation Lab
Automation That Survives Monday Morning
Most business automations break quietly within a month. Idempotency, error handling and observability are what separate a demo from a system.
IntermediateDifficulty: Intermediate2 min readPython · n8n · Power Automate
Business Systems$249
AI Invoice Processing System
The complete document processing system: per-field confidence, arithmetic validation, a human review queue, and correction feedback.
v1.4.0Python · Claude API · PostgreSQL