Blog

From the crawl, for publishers.

Monthly data reports nobody else can write, and short guides on ranking, Open VSX, and how the two registries actually count. No comments, no CMS.

Publisher guide·8 Sept 2026
How to publish a VS Code extension to Open VSXOpen VSX is the registry Cursor, Windsurf, VSCodium, Gitpod and Theia install from. The steps, the Publisher Agreement, and why creating a namespace is not the same as being verified.
Publisher guide·8 Sept 2026
Marketplace search ranking is not a single numberIdentical searches shuffle positions below the top 9. How we sample, why a five-position move is the alert floor, and which keywords are worth tracking.
Publisher guide·8 Sept 2026
Track any extension. There is no ownership check.Add yours or a competitor’s. Mark it Mine or Watching. The role is self-declared and only changes alert defaults.
Publisher guide·8 Sept 2026
What verified means on the Marketplace and on Open VSXTwo registries, two badges, two different proofs. Neither is proof that you wrote the code, and VSXRank does not add a third.
Publisher guide·8 Sept 2026
Why Open VSX download counts look inflatedOpen VSX increments downloadCount on every version download, including updates. That is not a unique-install count, which is why a weekly shipper looks larger than a twice-a-year one.
Publisher guide·8 Sept 2026
Why we track search rank to position 1,000VSCodeRank stops at 100. Most of the keywords a mid-size extension actually ranks for live below that line.
Data report·6 Sept 2026
The VS Code and Open VSX catalogs, September 2026Our first full crawl counted 115,150 Marketplace listings and 17,429 on Open VSX. Here is what that snapshot actually shows.