open vsx
Publishing and measuring your extension on Open VSX starts with understanding what its registry counts.
Publisher guide ·
Publish a VS Code extension to the Marketplace and Open VSX from one pipeline
A GitHub Actions workflow that builds one VSIX and publishes it to the Marketplace and Open VSX, with re-runs, pre-releases, targets and checks.
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Publisher guide ·
Why your VS Code extension isn't showing up in search
Why a VS Code extension is not showing in search: check listing status, editor and registry, rank depth and timing, with dated data from both registries.
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Publisher guide ·
How to publish a VS Code extension to Open VSX
Publish a VS Code extension to Open VSX with the right account, namespace, token and VSIX, plus practical fixes for common errors.
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Publisher guide ·
What a VS Code verified publisher badge means, compared with Open VSX
Learn what publisher verification checks on the VS Code Marketplace and Open VSX, how to apply, and what neither registry badge proves.
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Publisher guide ·
Why the Open VSX download count looks inflated
Open VSX download count measures package downloads, not unique people. Learn what it can show, what it cannot, and how to compare registry trends.
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Data report ·
How many VS Code extensions are there? The September 2026 catalogs
A 6 September 2026 snapshot counted 115,150 Marketplace listings and 17,429 on Open VSX. See the overlap, method, and limits.
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