VS Code Copilot Chatのコードを読む
On GitHub Vibe Riders, I hosted a livestream reading through the VS Code Copilot Chat code, focusing on agent instructions and how prompts are passed to the model.
Maki Nagase
Japan
Engineer passionate about GitHub and Azure PaaS/serverless; runs the YouTube channel “GitHub Vibe Riders” streaming GitHub Copilot content and speaks on Copilot across communities and organizes the AI-Driven Development study group, JAZUG(Japan Azure User Group), and GitHub dockyard and so on. Microsoft MVP for Azure AI Foundry, Microsoft Azure.
Community Contributions
自然言語でGitHub Actionsを作成できる Agentic Workflowsを検証する会
I hosted a livestream testing GitHub Next’s **Agentic Workflows**.
GitHub dockyard Radio 2025.08（後半）
I spoke on a YouTube livestream covering the late-August 2025 GitHub Changelog updates.
みんなでGitHub Sparkを使い倒そうぜ！【GitHub Vibe Riders初配信】
I launched a YouTube channel called **GitHub Vibe Riders** focused on GitHub Copilot.
In the first episode, I hosted a livestream testing GitHub Spark to examine how apps are generated and what’s happening behind the scenes.
GitHub Sparkで既存コンテンツを扱う方法
Here are the slides from my talk at **[.NET Lab Study Group – August 2025](https://dotnetlab.connpass.com/event/361507/)**.
I summarized the quirks I encountered when trying to use custom images inside an app with GitHub Spark.
GitHub dockyard Radio 2025.08（前半）
I hosted a YouTube livestream in early August 2025 to catch up on the latest GitHub Changelog and, due to the large volume of updates, switched to a bi-monthly schedule.
なんコパ祝電アプリの裏側 Azureリソースを簡単に解説！
Here are the slides from my session at **[JAZUG × Nandemo Copilot – Summer Special](https://jazug.connpass.com/event/361970/)**.
I explained, for a non-developer audience, the Azure infrastructure and resource configuration of an app built through Vibe Coding with GitHub Copilot, and also covered the deployment workflow using GitHub Actions.
非開発者のためのGitHub入門＆ハンズオン
I led a session at the **Git/GitHub Study Group for Non-Engineers** (https://vibe-beginner.connpass.com/event/364161/) where I explained GitHub and guided a hands-on workshop from cloning a repository to creating a pull request.
