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

agentx-py
0.20.0

This version was deleted from PyPI around 2025-07-24. Installing fails with:
$ pip3 install agentx-py==0.20.0 ERROR: Could not find a version that satisfies the requirement agentx-py==0.20.0
View other deleted versions of agentx-py

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/2025-07-23/ \ agentx-py==0.20.0
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Or, download files manually

And install manually via pip:
agentx_py-0.20.0-py3-none-any.whl (425.0KB)
agentx_py-0.20.0.tar.gz (388.1KB)