Putting Agent Mode in VS Code to the Test

Demo and Challenge

28 August 2025

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To watch this video on our website please or view it directly on YouTube

In this video, Jan demos the new agent mode in Visual Studio Code. We explore how it works in practice, watch it handle a real change request from Jesper, and discuss the overall takeaways from the experiment.

Chapters:

00:00 Welcome

02:19 Visual Studio Code's agent mode

07:14 Jesper challenges Jan with a change request

12:12 Overall conclusion of the experiment

Links:

* What is the Qt AI assistant (and how does it work)? - First episode released from this mini-series https://youtu.be/63T7b6v0sGU?list=PL6CJYn40gN6hJTctPIDqLciH9E_PoIklY

* Introduction to QML tutorials https://www.youtube.com/playlist?list=PL6CJYn40gN6hdNC1IGQZfVI707dh9DPRc

All videos from "The Curious Developer" series: https://youtu.be/nQPumFkN-Ow?list=PL6CJYn40gN6hJTctPIDqLciH9E_PoIklY

All videos about "AI for Coding (with Qt and beyond)": https://www.youtube.com/playlist?list=PL6CJYn40gN6gxKdn6HK3CYqPo4B3JxKSz

Please note that non-English dubs for all KDAB videos are auto-generated. These translations have not been moderated by us and may co

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Jesper K. Pedersen

HR Director / COO

Jesper K. Pedersen – COO/HR director at KDAB. Jesper has actively developed with Qt since 1998 and, despite his fancy title, still does so.

He has held almost 100 training classes in Qt since 2000. Today, his greatest claim to fame is the QML youtube series and more recently his youtube series called Qt Widgets and More.

Jan Marker

Senior Software Engineer

Jan Marker has a Master's degree in computer science with a focus on computational neuroscience. He has been working with Qt since 2009 when he started contributing to the KDE project and has been teaching developers in Qt and QML since 2017. He is currently overseeing KDAB's LLM R&D effort.

Putting Agent Mode in VS Code to the Test

Demo and Challenge

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