Welcome to a comprehensive guide on GitHub Copilot CLI! Whether you are a developer exploring automation or a seasoned coder looking to boost productivity, understanding the two primary modes—interactive and non-interactive—is essential. This article breaks down each mode, explains how to use them, and helps you decide when to leverage each for maximum efficiency. Let’s dive in and transform the way you interact with your terminal.
Understanding Interactive Mode
What Is Interactive Mode?
Interactive mode offers a conversational, back-and-forth experience with GitHub Copilot CLI. When you launch Copilot CLI using the default command copilot, you automatically enter this mode. It is designed for tasks that require iterative collaboration—like exploring a codebase, debugging step by step, or generating complex solutions with multiple follow-up questions.
In interactive mode, you can ask a question, review the response, and then refine it by asking additional questions or issuing new commands—all within the same session. This makes it ideal for hands-on exploration where you may not know exactly what you need upfront.
How to Start Interactive Mode
- Open your terminal and type
copilot, then press Enter. - If prompted, grant Copilot permission to access the current folder (it needs read and write access to help with files).
- Ask a question—for example, “How do I run this project locally?”
- Copilot provides instructions. If you want more hands-on assistance, follow up with “Can you run it for me?” and Copilot will analyze your project and start the server automatically.
- Continue refining your request within the same session—review, adjust, and iterate without restarting the CLI.
This mode shines when you need deep, collaborative assistance. You can examine outputs, test variations, and stay in the flow of problem-solving.
Exploring Non-Interactive Mode
What Is Non-Interactive Mode?
Non-interactive mode is built for speed and simplicity. Rather than entering a persistent session, you issue a single prompt directly in the command line and receive an immediate answer. There is no follow-up or conversation—just a quick, focused result. This mode is perfect for one-off tasks like summarizing a repository, generating a code snippet, or integrating Copilot into automated scripts without leaving your shell context.
Once you get your answer, you are back in your normal terminal flow, ready for the next command. It is designed for rapid, predefined requests where you already know exactly what you need.
How to Use Non-Interactive Mode
- Ensure you are at a regular command prompt (if you are inside a Copilot session, exit first).
- Type
copilot -pfollowed by your prompt—for example, “Quickly summarize what this repository does and the key folders.” - Copilot scans your project files and returns a concise answer, right in your terminal.
Non-interactive mode is ideal for automation workflows, quick checks, or any scenario where a single question suffices. It keeps your workflow lean and efficient.
Choosing the Right Mode for Your Task
Both modes are powerful, but they serve different purposes:
- Use interactive mode when you need to explore, iterate, or work through a complex problem step by step. It is like having a pair programmer in your terminal who stays with you until you are done.
- Use non-interactive mode for quick, one-shot queries where you already know the question and just want a fast answer. It is perfect for automating repetitive tasks or retrieving information without distraction.
To switch between modes, simply exit an interactive session (if needed) and use the -p flag for non-interactive, or start a new session with copilot for interactive. Mastering both will make you more versatile and efficient on the command line.
Pro tip: For a deeper dive into advanced usage, check out our guide on creating custom prompts.
With these two modes, GitHub Copilot CLI adapts to your workflow—whether you need deep collaboration or instant answers. Start experimenting today and see which mode fits your style best!