You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

matterbase
0.6.0

This version was deleted from PyPI around 2026-07-31. Installing fails with:
$ pip3 install matterbase==0.6.0 ERROR: Could not find a version that satisfies the requirement matterbase==0.6.0
View other deleted versions of matterbase

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/2026-07-30/ \ matterbase==0.6.0
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip:
matterbase-0.6.0-py3-none-any.whl (27.3KB)
matterbase-0.6.0.tar.gz (33.8KB)