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learn-build-apps-copilot-agent/README.md
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# Build applications with GitHub Copilot agent mode
<!-- ![](../../actions/workflows/0-start-course.yml/badge.svg?branch=main) -->
<img src="https://github.com/user-attachments/assets/1b3ea5df-f18d-4ed8-9ae6-f96dc1861818" alt="octofit-tracker" width="300"/>
_Build an application with GitHub Copilot agent mode in less than an hour._
## Welcome
People love how GitHub Copilot helps them write code faster and with fewer errors.
But what if GitHub could create a multi-tier application with a presentation, logic, and data layers based on requirements written in natural language?
In this exercise, we will prompt GitHub Copilot agent mode to create a complete application.
- **Who is this for**: Intermediate developers familiar with GitHub Copilot, basic GitHub, and basic web development
- **What you'll learn**: We'll introduce GitHub Copilot agent mode and how to use it for application development.
- **What you'll build**: You'll use GitHub Copilot agent mode to create a fitness application as the gym teacher of a high school.
- **Prerequisites**: Skills Exercise: <a href="https://github.com/skills/getting-started-with-github-copilot">Getting Started with GitHub Copilot</a>.
- **How long**: This course takes less than one hour to complete.
In this exercise, you will:
1. Start up a preconfigured development environment for making a multi-tier application.
1. Prompt in GitHub Copilot Chat and select the edit tab and select agent mode from the edit/agent drop-down.
1. In this exercise I primarily used the latest default LLM.
1. Try other LLM models to see other output.
1. For each step open up a new Copilot Chat session by hitting the plus `+` icon in the Copilot Chat pane.
### How to start this exercise
Simply copy the exercise to your account, then give your favorite Octocat (Mona) **about 20 seconds** to prepare the first lesson, then **refresh the page**.
[![](https://img.shields.io/badge/Copy%20Exercise-%E2%86%92-1f883d?style=for-the-badge&logo=github&labelColor=197935)](https://github.com/new?template_owner=skills&template_name=build-applications-w-copilot-agent-mode&owner=%40me&name=skills-build-applications-w-copilot-agent-mode&description=Exercise:+Build+applications+with+GitHub+Copilot+agent+mode&visibility=public)
<details>
<summary>Having trouble? 🤷</summary><br/>
When copying the exercise, we recommend the following settings:
- For owner, choose your personal account or an organization to host the repository.
- We recommend creating a public repository, since private repositories will use Actions minutes.
If the exercise isn't ready in 20 seconds, please check the "Actions" tab of your repository (or visit `https://github.com/<YOUR-USERNAME>/<YOUR-REPO>/actions`).
- Check to see if a job is running. Sometimes it simply takes a bit longer.
- If the page shows a failed job, please submit an issue. Nice, you found a bug! 🐛
</details>
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