The marketplace-not-found error now distinguishes three cases instead of always saying "not found": if the marketplace registry couldn't be read, it points to known_marketplaces.json and suggests running /reload-plugins; if the marketplace is registered but hidden (refused, visible in the debug log), it suggests removing and re-adding the marketplace; otherwise it falls back to the old "available marketplaces" message.
Names in the bundle/reload-plugins
The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.
Added since
A small documentation edit on Push events into a running session with channels touched a line naming /reload-plugins after this was published.
When the install asks for an installation scope, choose the user scope option so the plugin is available across all your projects. Check the install summary: if it reports `Run /reload-plugins to activate.`, see [Apply plugin changes witho…channels see the edit
Confirmed since
Anthropic's documentation has since written up /reload-plugins, on Claude Code changelog.
* Improved `/plugin`: installing, enabling or disabling a plugin now takes effect when you close the menu; `/reload-plugins` is no longer needed afterwardschangelog see the edit
Two sources agreeTwo things we can check say the same as this entry.
Anthropic's documentation agrees
Anthropic's documentation has since written up /reload-plugins, on Claude Code changelog.
Anthropic's release notes agree
Added /reload-plugins to headless sessions, so it appears in the Claude Code Desktop and SDK command lists