AI system architecture layers: Model, Tool, Skill, Workflow, Agent, Application

What Makes an AI Skill Different from a Prompt?

This post is part of a series on building real AI systems. If you haven’t read the previous piece on moving beyond prompts, that’s a good place to start. Introduction Most people treat AI skills as glorified prompt templates. Honestly, that’s fair. A lot of products market “skills” as saved instructions with a nicer UI. You click a button, it loads some text into the system prompt, done. But in a real production system, a Skill is something different. ...

2026-04-16 · 7 min read · 1314 words · KbWen · EN