You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
starexx was reported malicious
OSV:MAL-2025-191662 - Malicious code in starexx (PyPI)

starexx
1.26

This version was deleted from PyPI around 2025-10-16. Installing fails with:
$ pip3 install starexx==1.26 ERROR: Could not find a version that satisfies the requirement starexx==1.26
View other deleted versions of starexx

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2025-10-15/ \ starexx==1.26
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Or, download files manually

And install manually via pip:
starexx-1.26-py3-none-any.whl (5.1KB)
starexx-1.26.tar.gz (4.6KB)