Provide everyone with their own virtual duck in VS Code. Introduce students to rubber duck debugging, a technique that involves talking to a rubber duck (or any inanimate, or even animate object) about a bug in their code. This virtual duck does not have, by design, any form of AI functionality.
CS50 Duck Debugger has 1,099,960 recorded installs on VS Code Marketplace.
It ranks #510 of 2,500 tracked VS Code Marketplace listings by installs.
It is rated 4.0 out of 5 from 9 ratings.
PluginStats has 3 daily observations since Oct 16, 2026; the latest is from Oct 18, 2026.
Rating: 4.00 / 5 from 9 ratings
About CS50 Duck Debugger
Rubber Duck Debugging
Provide everyone with their own virtual duck on VS Code. Introduce students to rubber duck debugging, a technique that involves talking to a rubber duck (or any inanimate, or even animate object) about a bug in their code.
Description from the VS Code Marketplace listing.
Where CS50 Duck Debugger sits in the listing
Each band is one page of 20. Installs on a log scale. Placement is projected from installs, so it can differ from the marketplace's own sort order. Hover a dot to see the listing.
All VS Code Marketplace2,500 listings · 125 pages · page 26, #10 (overall #510)
All VS Code Marketplace: every listing in installs order
Filled points are observed values; hollow points come from Internet Archive snapshots of the listing page. Dashed segments span periods with no observations — values between points are not interpolated.
Install counts, average rating, and rating counts come from the public Visual Studio Marketplace gallery API. Installs are cumulative and exclude updates.
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