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

mcp-proxy-stateless

This package was deleted from PyPI around 2025-10-18. Installing fails with:
$ pip3 install mcp-proxy-stateless ERROR: Could not find a version that satisfies the requirement mcp-proxy-stateless (from versions: none) ERROR: No matching distribution found for mcp-proxy-stateless

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/2025-10-17/ \ mcp-proxy-stateless
Sign up for StableBuild to get an API key (it's free and takes <60 seconds!)

Or, download files manually

Choose a version to see all deleted wheels and files. We only show versions that have been deleted on PyPI.
0.1.0
0.1.1
0.1.2
0.1.4