Technology

Claude API

Everything on this site involving Claude API — projects, articles, research and tools.

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
AI Systems

AI Research & Fact-Checking System

A research agent that decomposes a claim, gathers evidence from multiple sources, cross-checks agreement between them, and refuses to answer when the evidence is thin.

AdvancedDifficulty: Advanced~20h buildPython · LangGraph · Claude API
VideoCode
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
UDEMY$119

Production AI Engineering: RAG, Agents, Evals & MCP

Retrieval that holds up, agents that fail safely, evaluation that catches regressions, and MCP for tool integration.

AdvancedDifficulty: Advanced★ 4.914h480 studentsPython · LangGraph · Ragas
UDEMY$89

AI-Powered Business Analyst

Requirements, analysis, documentation and stakeholder communication — with AI doing the mechanical work and you keeping the reasoning.

BeginnerDifficulty: Beginner★ 4.711.5h2,840 studentsPython · SQL · Claude API
SKOOL$149

30-Day AI Analyst Upgrade

Thirty days, one build per week, with review. Rebuild how you work as an analyst using AI where it genuinely helps.

BeginnerDifficulty: Beginner30hPython · SQL · Claude API