Two new settings let an org lock down plugin extensibility in third-party mode. userPluginMarketplacesEnabled, on by default, controls whether users can add their own plugin marketplaces. userPluginUploadsEnabled, also on by default, controls whether users can upload or create their own plugins. Turning either off hides the corresponding in-app add surfaces and refuses adds that still reach the app.
Names in the bundleuserPluginMarketplacesEnableduserPluginUploadsEnabled
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.
Confirmed since
Anthropic's documentation has since written up userPluginUploadsEnabled, on Configuration reference.
| <span id="userpluginuploadsenabled" />Allow user-added plugins<br />`userPluginUploadsEnabled` | `boolean` | MDM + Bootstrap<br />Added in 1.37937.0 | — | Allow users to add their own plugins. When off, every in-app option for adding one…third-party/claude-desktop/configuration see the edit
Confirmed since
Anthropic's documentation has since written up userPluginMarketplacesEnabled, on Configuration reference.
| <span id="userpluginmarketplacesenabled" />Allow user-added plugin marketplaces<br />`userPluginMarketplacesEnabled` | `boolean` | MDM + Bootstrap<br />Added in 1.37937.0 | — | Allow users to add plugin marketplaces themselves. When off,…third-party/claude-desktop/configuration 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 userPluginMarketplacesEnabled, on Configuration reference.
Anthropic's release notes agree
Added Claude apps gateway support for newer Claude Desktop keys in desktop policy blocks, including userPluginMarketplacesEnabled and…