Extension 503 error

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

I’m working on an extension and I’ve published it on both VS marketplace and Open VSX registry. but when I access that extension in cursor marketplace, page returns 503 unlike in vscode.

Steps to Reproduce

just search sidecar in cursor extension marketspace

Screenshots / Screen Recordings

Operating System

MacOS

Current Cursor Version (Menu → About Cursor → Copy)

Version: 2.1.41
VSCode Version: 1.105.1
Commit: 1321aa9140784391e83a406174345e818fe156f0
Date: 2025-11-30T18:58:57.968Z
Electron: 37.7.0
Chromium: 138.0.7204.251
Node.js: 22.20.0
V8: 13.8.258.32-electron.0
OS: Darwin arm64 25.2.0

Does this stop you from using Cursor

No - Cursor works, but with this issue

Hey, thanks for the report, I’ll pass it to the team.

thanks!

Kilo Code is another one that throws a 503

Should be fixed now – could you try again? Thanks for bringing this issue to our attention.

wow thanks it works now