What
Claude Code can be limited to essential network traffic only, and it also has a data-residency check that can block requests. Requests for the public plugin directory catalog that are sent without any login are now exempt from both blocks. A plugin is an add-on that extends Claude Code. All other requests are blocked or allowed as before.
Why
If you limit Claude Code to essential traffic, you may still be able to browse the public plugin catalog.
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The writer flagged doubt
It is not clear which parts of Claude Code send these public catalog requests.