Overview

GitHub Copilot Chat is the AI-powered chat interface for GitHub Copilot. It allows you to interact with AI models to get coding assistance, explanations, and suggestions in a conversational format.

Copilot Chat can help you with a variety of coding-related tasks, like offering you code suggestions, providing natural language descriptions of a piece of code's functionality and purpose, generating unit tests for your code, and proposing fixes for bugs in your code.

GitHub Copilot Chat is available in various environments:

• GitHub (the website).
• A range of IDEs such as Visual Studio Code, Xcode, and JetBrains IDEs.
• GitHub Mobile.

Different environments may have different features and capabilities, but the core functionality remains consistent across platforms. To explore the functionality available in each environment, see the Copilot Chat how-to guides and the GitHub Copilot 教程.

Limitations

Copilot Chat is designed to assist with coding tasks, but you remain responsible for reviewing and validating the code it generates. It may not always produce correct or optimal solutions, and it can sometimes generate code that contains security vulnerabilities or other issues. Always test and review the code before using it in production.

Customizing Copilot Chat responses

GitHub Copilot in GitHub, Visual Studio Code, and Visual Studio can provide chat responses that are tailored to the way your team works, the tools you use, the specifics of your project, or your personal preferences, if you provide it with enough context to do so. Instead of repeating instructions in each prompt, you can create and save instructions for Copilot Chat to customize what responses you receive.

There are two types of custom instructions you can add for Copilot Chat:

• Repository instructions: You can create a custom instructions file for a repository, so that all prompts asked in the context of the repository automatically include the instructions you've defined
• Personal instructions: You can add personal instructions so that all the chat responses you, as a user, receive are tailored to your preferences

For more information, see Adding repository custom instructions for GitHub Copilot and Adding personal custom instructions for GitHub Copilot.

AI models for Copilot Chat

你可以更改 Copilot 用来生成聊天提示响应的大型语言模型，包括具有高级功能的高级模型。 你可能会发现性能更好的不同模型，或提供更有用响应的模型，具体取决于你提出的问题类型。 有关详细信息，请参阅“Changing the AI model for Copilot Chat”。

Extending GitHub 中的 Copilot Chat

GitHub Copilot 扩展 将外部工具的强大功能集成到 Copilot Chat 中，帮助减少上下文切换并接收具有特定域上下文的响应。 可以从 GitHub Marketplace 安装 Copilot 扩展，或在组织中构建私有的 Copilot 扩展，然后在聊天窗口中键入 @ 即可查看可用扩展的列表。 若要使用扩展，请从列表中选择该扩展或键入完整的 slug 名称，然后键入提示。

若要了解详细信息，请参阅 Using extensions to integrate external tools with Copilot Chat。