01In plain English
An AI agent is software that is given a goal and works out the steps itself. Unlike a chatbot, which answers and waits, an agent can take actions: search, fill in forms, send emails, update records or book things, often across several tools in a row.
02How it works
You give an agent a goal, such as finding ten local bakeries and emailing each one an introduction. The agent breaks that goal into steps and picks a tool for the first one, perhaps a web search. It reads what comes back, decides what to do next, and moves on to the following tool, such as a spreadsheet or your email account. After every action it checks the result and adjusts, repeating this loop until it believes the job is done or it gets stuck. The tools it can use are connected in advance, and those connections set the limits of what it can touch. Think of a temp worker who has logins to your apps and a to-do list, rather than a search box that only answers questions.
03Why it matters when you are choosing
Agents can take over whole tasks, not just help with them. That also means mistakes happen without anyone watching, so the controls around an agent matter as much as how clever it is.
04What to check
Check what it is allowed to do on its own, what needs your approval, whether every action is logged, and how quickly you can stop it.
05Where you will meet it
06Common questions
What is the difference between an AI agent and a chatbot?
A chatbot replies to what you type and then waits. An agent is given a goal and carries out several steps on its own, using other tools such as email, a browser or a spreadsheet. The practical difference is that an agent changes things in your accounts, so it needs tighter permissions and more supervision.
Can an AI agent work without supervision?
It can, but it should not at first. Agents sometimes misread a goal or repeat a mistake across many records before anyone notices. Start with read-only access or an approval step for anything that sends, spends or deletes, and loosen the limits only after you have watched it handle real tasks correctly.
Do I need to know how to code to use an AI agent?
Not for most business tools. Many agent products offer a plain-language setup where you describe the job, connect your accounts and review a draft plan. Developer frameworks do require code, so check which kind a vendor is selling, and whether the setup includes testing before the agent goes live.