In this episode of Two Voice Devs, Mark Tucker and Allen Firstenberg dive into the world of GitHub Copilot. Mark shares his recent experience preparing for the GitHub Copilot (GH-300) certification and walks us through the various features and modes of the tool within Visual Studio Code. They discuss the differences between "Ask," "Edit," and "Agent" modes, how Copilot integrates with your workspace and terminal, and the power of using different AI models like Sonnet and Gemini. Whether you're new to AI coding assistants or looking to get more out of your current setup, this episode provides a practical overview of what GitHub Copilot can do today.

[00:00:00] Introduction and updates

[00:01:26] The GitHub Copilot (GH-300) Certification

[00:02:30] GitHub Copilot in Visual Studio Code

[00:03:44] Clarifying the different "Copilots"

[00:04:29] Inline Chat and using "Explain"

[00:05:46] Selecting different AI models

[00:07:39] The Chat Window: Ask, Edit, and Agent modes

[00:08:06] Using context variables (@workspace, @terminal, #files)

[00:11:36] Demonstrating "Ask" mode

[00:14:33] Demonstrating "Edit" mode

[00:16:24] Demonstrating "Agent" mode

[00:22:36] Custom instructions and specifications

[00:25:42] How Copilot works behind the scenes (Proxy & Safety)

[00:27:00] Conclusion

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