> ## Documentation Index
> Fetch the complete documentation index at: https://docs.ag-ui.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Build applications

> Build agentic applications utilizing compatible event AG-UI event streams

# Introduction

AG-UI provides a concise, event-driven protocol that lets any agent stream rich,
structured output to any client. It can be used to connect any agentic system to
any client.

A client is defined as any system that can receieve, display, and respond to
AG-UI events. For more information on existing clients and integrations, see
the [integrations](/integrations) page.

# Automatic Setup

AG-UI provides a CLI tool to automatically create or scaffold a new application with any client and server.

```sh theme={null}
npx create-ag-ui-app@latest
```

<img className="w-full rounded-3xl mx-auto" src="https://copilotkit-public-assets.s3.us-east-1.amazonaws.com/docs/ag-ui/quickstart.gif" />

Once the setup is done, start the server with

```sh theme={null}
npm run dev
```

For the copilotkit example you can head to [http://localhost:3000/copilotkit](http://localhost:3000/copilotkit) to see the app in action.