You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.
protoc was reported malicious
OSV:MAL-2024-10107 - Malicious code in protoc (PyPI)

protoc
0.0.2

This version was deleted from PyPI around 2024-09-17. Installing fails with:
$ pip3 install protoc==0.0.2 ERROR: Could not find a version that satisfies the requirement protoc==0.0.2
View other deleted versions of protoc

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/2024-09-16/ \ protoc==0.0.2
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:
protoc-0.0.2.tar.gz (1.4KB)