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

atomic-mcp
0.1.2

This version was deleted from PyPI around 2025-09-18. Installing fails with:
$ pip3 install atomic-mcp==0.1.2 ERROR: Could not find a version that satisfies the requirement atomic-mcp==0.1.2
View other deleted versions of atomic-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/2025-09-17/ \ atomic-mcp==0.1.2
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Or, download files manually

And install manually via pip:
atomic_mcp-0.1.2-py3-none-any.whl (11.0KB)
atomic_mcp-0.1.2.tar.gz (7.5KB)