Codex is just terrible

This is simply not true. All personal paid packages include Claude Code now.

MCP was specifically created so LLMs can have a better understanding (better context). An app or user needs completely different endpoints than LLMs.

There is a global cache for all installed packages in the user home cache dir.

Astral's tools are so fast in general, when you first try them out, you double check what went wrong because you are sure nothing happened.

Same with uv. They are doing very nice tricks, like sending Range requests to only download the metadata part from the ZIP file from PyPI, resolve them in memory and only after that downloading the packages. No other package manager does this kind of crazy optimization.