All Articles & Tutorials
Explore practical guides, step-by-step masterclasses, and foundational definitions across AI, SQL, and data systems — written in plain, human English.
All articles
Hermes Agent tutorial: an AI agent that remembers and learns new skills
Hermes Agent saves what it learns in plain files: short notes it reads every session and skills, which are how-to guides it loads when a job matches. Here…
What is Meta Muse, and should you let an AI agent buy things for you?
Meta Muse is a personal AI agent that shops, books and sends email for you, and asks before it spends money. Here is how its purchases work, what…
How to make AI document search (RAG) cite the exact source for each answer
Ship RAG with visible sources, passage-level cites when you can, and automated checks that quotes exist in retrieved text. Latency trades are real; inventing footnotes is not allowed.
Zapier from Zero: Building Your First Production Integration
Build Zapier automations with explicit field checks, Paths for branches, and task-cost awareness. Triage errors with run history before you rewrite the whole Zap.
How to test whether a cheaper AI decision model is good enough for your team
New AI decision models launch with big scores, but the only test that counts is yours. Here is how to check a cheaper model on your own past…
