Claude Code Sigistry Plugin Catalog (formerly Claude Registry) search_plugins
How to: Claude Code Sigistry Plugin Catalog (formerly Claude Registry) search_plugins
Add Sigistry Plugin Catalog (formerly Claude Registry) to Claude Code
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01
Run this in your project directory.
claude mcp add --transport http plugin-catalog https://clauderegistry.com/mcp-
02
Restart your session so the server is picked up.
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03
Ask for something search_plugins does. Claude Code lists the server's tools on connect and calls search_plugins itself — you do not invoke it by name.
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04
If nothing happens, check the server is running and that Sigistry Plugin Catalog (formerly Claude Registry)'s identifier in your config matches the one above exactly.
Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs
Same tool, other clients
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.