AI Agent
A system that uses a model, tools, context, and control logic to pursue a goal and take actions.
Plain English
A chatbot answers. An agent can decide what to do next, use tools, check results, and keep working toward an outcome.
Example
A coding agent reads an issue, edits files, runs tests, and opens a pull request.
Why it matters
It is the umbrella term behind most new AI product claims, but the actual autonomy can range from a scripted workflow to a long-running worker.