An AI agent acts as an autonomous computational system that can determine its behaviour based on its environmental context, including data input. It is also capable of adapting its behaviour over time. Some information on how to build one in 2025 can be found here: https://medium.com/@padwalanjaneya/plug-play-prompt-building-agents-13d8bbb1cb83 For the development of Agentic AI, see [[From Machine Learning to Agentic AI]]