New free Python incident lab

AI Agent Reliability Engineering

Reproduce duplicate actions after a timeout. Test contracts, restart recovery and concurrent delivery.

Run the free lab and read the opening chapters →
Data Engineer • International Technical Author • Harness Engineering

Bridging the gap between
Data Engineering e Harness Engineering

Practical work across Model Context Protocol (MCP), AI workflow orchestration with n8n, LLM security and reliable agent execution. Technical books available on Amazon KDP.

Breaking analysis · Oct 5, 2026 OpenAI “rogue” agents on Wikimedia — what the incident reveals about Harness Engineering →