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

relace-mcp
0.2.3a2

This version was deleted from PyPI around 2026-01-20. Installing fails with:
$ pip3 install relace-mcp==0.2.3a2 ERROR: Could not find a version that satisfies the requirement relace-mcp==0.2.3a2
View other deleted versions of relace-mcp

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/2026-01-19/ \ relace-mcp==0.2.3a2
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:
relace_mcp-0.2.3a2-py3-none-any.whl (134.1KB)
relace_mcp-0.2.3a2.tar.gz (153.2KB)