You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
ai-cypher was reported malicious
OSV:MAL-2025-192683 - Malicious code in ai-cypher (PyPI)

ai-cypher
0.1.0

This version was deleted from PyPI around 2025-12-23. Installing fails with:
$ pip3 install ai-cypher==0.1.0 ERROR: Could not find a version that satisfies the requirement ai-cypher==0.1.0
View other deleted versions of ai-cypher

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/2025-12-22/ \ ai-cypher==0.1.0
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Or, download files manually

And install manually via pip:
ai_cypher-0.1.0-py3-none-any.whl (120.1KB)
ai_cypher-0.1.0.tar.gz (119.5KB)