What an AI agent is
An AI agent is software that is given a goal, picks the steps, uses tools, and checks its own result. A chatbot answers a question. An agent finishes a task: it searches, drafts, files, sends for approval, and reports back. For a business, that difference is the point. A chatbot talks about the work; an agent does it, which is more than some meetings manage.
Why a team of agents
One large agent that does everything is hard to trust. A team of small agents, each with one job and a record of what it did, is easier to test and easier to fix. My own agent fleet works this way: a planner, a builder, a checker and a reviewer, with a task board that shows who did what.
Keeping people in charge
Good agents know their limits. Safe changes can be approved by a decision layer. Risky ones, such as spending money or sending a message to a customer, go to a person first. That rule is built in from the start, not added later. If you are exploring AI agents for your business, ask any builder how it works, and ask to see the log of what an agent actually did.