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

dcg-sci-tool

This package was deleted from PyPI around 2026-05-11. Installing fails with:
$ pip3 install dcg-sci-tool ERROR: Could not find a version that satisfies the requirement dcg-sci-tool (from versions: none) ERROR: No matching distribution found for dcg-sci-tool