You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
agents-kit was reported malicious
OSV:MAL-2025-2930 - Malicious code in agents-kit (PyPI)

agents-kit
0.1.3

This version was deleted from PyPI around 2025-02-22. Installing fails with:
$ pip3 install agents-kit==0.1.3 ERROR: Could not find a version that satisfies the requirement agents-kit==0.1.3

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/2025-02-21/ \ agents-kit==0.1.3
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

And install manually via pip: