your-first-extension-for-github-copilot

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your-first-extension-for-github-copilot

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Teach GitHub Copilot about your industry, lingo, and company processes.

your-first-extension-for-github-copilot 최신버젼 다운로드

최종 버전 다운로드 (.zip)

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> [!CAUTION]
> GitHub Copilot Extensions was deprecated on Nov 10th, 2025 in favor of the Model Context Protocol (MCP).  
> You can read more about this change in our [changelog post](https://github.blog/changelog/2025-09-24-deprecate-github-copilot-extensions-github-apps/).

# Your first extension for GitHub Copilot

_Customize GitHub Copilot to your personal or company needs in less than an hour._

## Welcome

People love how GitHub Copilot helps them write code faster and with fewer errors.
But what if it already knew some context about your job, team, or company?
In this exercise, we will make a custom extension for GitHub Copilot that can help you with that.

- **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 Extensions and how to customize them.
- **What you'll build**: You'll load an existing template extension and then modify it to support the staff of a high school.
- **Prerequisites**: Skills Exercise: Getting Started with GitHub Copilot
- **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 GitHub Copilot Extension.
2. Run the included template extension.
3. Connect the extension to your GitHub account.
4. Customize the extension to your needs.
5. Practice prompting with your new custom Github Copilot Extension.

### 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=your-first-extension-for-github-copilot&owner=%40me&name=skills-your-first-extension-for-github-copilot&description=Exercise:+My+Copilot+Extension&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](../../actions) tab.

- 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>

---

&copy; 2025 GitHub &bull; [Code of Conduct](https://www.contributor-covenant.org/version/2/1/code_of_conduct/code_of_conduct.md) &bull; [MIT License](https://gh.io/mit)

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