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HomeDocsClaude Documentation 29 Sep 2026
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MCP, plugins, skills, and hooks changedthird-party/claude-desktop/extensions

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Upstream edited this page at 29 Sep 2026 19:58 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 29 Sep 2026 20:07 UTC.

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410410| `isDesktopExtensionEnabled` | `false` | Desktop extensions (`.mcpb`) bundled in plugins are not loaded. Set to `true` to allow them. |
411411| `isDesktopExtensionSignatureRequired` | `false` | (When `true`) Unsigned `.mcpb` extensions are rejected. |
412412| `skillCreationEnabled` | `true` | Users cannot create or upload skills in the app. Claude does not offer to create or update skills in conversations. |
413| `userPluginMarketplacesEnabled` | `true` | Users cannot add plugin marketplaces of their own; the add-marketplace options are hidden. Marketplaces you provision with `allowedPluginMarketplaces` are unaffected. Requires Claude Desktop 1.37937.0 or later. |
414| `userPluginUploadsEnabled` | `true` | Users cannot upload plugin files or create plugins with Claude; every in-app option for adding a plugin of their own is hidden. Plugins from your marketplaces and the organization plugins directory are unaffected. Requires Claude Desktop 1.37937.0 or later. |
413| `userPluginMarketplacesEnabled` | `true` | Users cannot add plugin marketplaces of their own, and the add-marketplace options are hidden. Marketplaces your organization did not [provision](#plugin-marketplaces-admin) are hidden too, and the app neither installs nor loads their plugins. The organization plugins directory, plugins users uploaded, and marketplaces you provision with `allowedPluginMarketplaces` are unaffected. |
414| `userPluginUploadsEnabled` | `true` | Users cannot upload plugin files or create plugins with Claude; every in-app option for adding a plugin of their own is hidden. Plugins from your marketplaces and the organization plugins directory are unaffected. |
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416Setting `isLocalDevMcpEnabled` to `false` and leaving `isDesktopExtensionEnabled` at `false` restricts MCP servers and connectors to those delivered through `managedMcpServers` and `org-plugins/`, plus any that installed plugins bundle, whether from your marketplaces or added by users. To limit plugin-bundled servers to ones you name, or to none, set [`allowedPluginMcpServers`](/docs/third-party/claude-desktop/configuration#allowedpluginmcpservers) to a list of URL patterns. An empty list admits no plugin-bundled server. Setting [`skillCreationEnabled`](/docs/third-party/claude-desktop/configuration#skillcreationenabled) to `false` turns off skill creation and upload in the app. Skills already on the device keep working, as do skills from [organization plugins](#organization-plugins-admin). Users can still install plugins from the marketplaces you provision regardless of these settings. Setting `userPluginMarketplacesEnabled` and `userPluginUploadsEnabled` to `false` removes only the options for adding marketplaces and plugins of their own, and anything a user added earlier stays in place. See the [Locked down profile](/docs/third-party/claude-desktop/configuration#recommended-security-profiles) for a complete example.
416Setting `isLocalDevMcpEnabled` to `false` and leaving `isDesktopExtensionEnabled` at `false` restricts MCP servers and connectors to those delivered through `managedMcpServers` and `org-plugins/`, plus any that installed plugins bundle, whether from your marketplaces or added by users. To limit plugin-bundled servers to ones you name, or to none, set [`allowedPluginMcpServers`](/docs/third-party/claude-desktop/configuration#allowedpluginmcpservers) to a list of URL patterns. An empty list admits no plugin-bundled server. Setting [`skillCreationEnabled`](/docs/third-party/claude-desktop/configuration#skillcreationenabled) to `false` turns off skill creation and upload in the app. Skills already on the device keep working, as do skills from [organization plugins](#organization-plugins-admin). Users can still install plugins from the marketplaces you provision regardless of these settings. Setting `userPluginUploadsEnabled` to `false` removes only users' options for adding plugins themselves. Plugins a user uploaded earlier stay in place. See the [Locked down profile](/docs/third-party/claude-desktop/configuration#recommended-security-profiles) for a complete example.
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418Setting [`userPluginMarketplacesEnabled`](/docs/third-party/claude-desktop/configuration#userpluginmarketplacesenabled) to `false` also hides every marketplace already on the device that your organization didn't [provision](#plugin-marketplaces-admin), whether a user added it in the app earlier or Claude Code registered it from a terminal on the same device. By default, Claude Code adds [Anthropic's official marketplace](https://code.claude.com/docs/en/plugins/anthropic-marketplaces) the first time a user starts an interactive terminal session, so that marketplace is hidden too unless you provision it. The app doesn't install or update plugins from a hidden marketplace. Plugins already installed from a hidden marketplace stay on the device, but they don't appear in the app or load in its sessions until you remove the key or set it back to `true`.
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420`userPluginMarketplacesEnabled` doesn't govern Claude Code in a terminal. To limit the marketplaces Claude Code can use in a terminal, set [marketplace restrictions in its managed settings](https://code.claude.com/docs/en/plugins/org#restrict-what-users-can-install). If you deploy Claude Code managed settings to the device, restrict marketplaces there too, because in Code sessions those settings can take precedence over the app's restrictions.
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418422## Related topics
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