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

mcp-calculator-nie
0.6.2

This version was deleted from PyPI around 2025-05-29. Installing fails with:
$ pip3 install mcp-calculator-nie==0.6.2 ERROR: Could not find a version that satisfies the requirement mcp-calculator-nie==0.6.2
View other deleted versions of mcp-calculator-nie

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/2025-05-28/ \ mcp-calculator-nie==0.6.2
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Or, download files manually

And install manually via pip:
mcp_calculator_nie-0.6.2-py3-none-any.whl (1.9KB)
mcp_calculator_nie-0.6.2.tar.gz (1.6KB)