What is an LLM?
The engine behind ChatGPT and Claude. What it actually does, what it is good at, and why it makes confident mistakes.
Start here
Plain-English guides to the AI worth your attention. Start with the foundations, then go as deep as you like.
What is an AI agent?
A chatbot answers you. An agent goes and does the thing. What an agent is, the parts it is built from, where it earns its keep, and where it breaks.
AI glossary
Heard a term and not sure what it means? Plain-English definitions of the AI and agent words you keep running into, with why each one matters and an everyday example.
Agents, skills, and how they run
How AI actually does work for you, and what keeps it reliable.
What is an AI skill?
A skill teaches an AI to do one job well, every time. What a skill is, what is inside a SKILL.md file, and how it differs from a tool.
What is an agentic harness?
The software that runs an agent: the loop, the tools, the limits, and the approval gates. Why the harness, not the model, is where reliability lives.
What is MCP?
The universal plug for AI tools. How an AI safely connects to your other software, and why it spread so fast.
What is a computer use agent?
An AI that controls a real screen the way a person does. What it is, how it differs from a normal integration, and why to be cautious.
Getting good results from AI
How to ask well, ground answers in your own knowledge, and know it works.
What is prompt engineering?
How to ask an AI for good work. A prompt is a work order, not a magic phrase, and a few habits change your results.
What is RAG?
How an AI answers from your own documents. What RAG is, how it differs from memory and fine-tuning, and where it earns its keep.
What is an AI eval?
How you know an AI actually works instead of trusting a vibe. An eval is an answer key, not a feeling.
What is workflow automation?
How connecting your apps automates the repetitive work, and the honest line for when you actually need an AI agent instead.
What is prompt injection?
Can an AI be tricked? How hidden instructions can hijack an AI, the lethal trifecta that makes it dangerous, and how to limit the risk.
AI security for your business
The everyday risks that actually matter for a small business: shadow AI and data leakage, and the simple steps that protect you without a security team.
More guides are on the way. If there is something about AI you want explained without the hype, tell us what it is.