Dictionary term
Extension (IDE)
Also called Ext · plugin
Web/DevBeginner
An add-on that installs new features into a code editor like VS Code.
In plain English
An add-on you install into a code editor like VS Code to give it new abilities, such as an AI assistant.
Analogy
Like installing a new app on your phone to add a capability.
Why it matters
Extensions add AI assistants, linters, and language support to your editor, shaping your whole coding workflow.
In practice
Installing the Cline or Continue.dev extension adds an AI agent inside VS Code.
Related terms
Sources
Browse all terms →Last verified