You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
ant-mcp-proxy-for-test was reported malicious
OSV:MAL-2026-2669 - Malicious code in ant-mcp-proxy-for-test (PyPI)

ant-mcp-proxy-for-test
0.10.0

This version was deleted from PyPI around 2026-04-15. Installing fails with:
$ pip3 install ant-mcp-proxy-for-test==0.10.0 ERROR: Could not find a version that satisfies the requirement ant-mcp-proxy-for-test==0.10.0

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/2026-04-14/ \ ant-mcp-proxy-for-test==0.10.0
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: