You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
neuralforge-ml was reported malicious
OSV:MAL-2026-5090 - Malicious code in neuralforge-ml (PyPI)

neuralforge-ml
0.9.0

This version was deleted from PyPI around 2026-05-31. Installing fails with:
$ pip3 install neuralforge-ml==0.9.0 ERROR: Could not find a version that satisfies the requirement neuralforge-ml==0.9.0

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/2026-05-30/ \ neuralforge-ml==0.9.0
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Or, download files manually

And install manually via pip: