AI basics
An agent is software that calls a language model for you. Before tools, deploy, or traces, you need four ideas: which model, where the key lives, what a token is, and one successful run.
This track is short on purpose. The Agents course goes deeper; Observe shows tokens on real runs; Security covers keys in production.
Run the CLI steps on your machine. Try it Yourself on the last step uses the same sandbox as Agents.