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

python-mcs-sdk

This package was deleted from PyPI around 2023-12-05. Installing fails with:
$ pip3 install python-mcs-sdk ERROR: Could not find a version that satisfies the requirement python-mcs-sdk (from versions: none) ERROR: No matching distribution found for python-mcs-sdk

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/2023-12-04/ \ python-mcs-sdk
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)