diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/models/auth-provider.model.ts b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/models/auth-provider.model.ts
new file mode 100644
index 0000000000..e212a5208e
--- /dev/null
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/models/auth-provider.model.ts
@@ -0,0 +1,64 @@
+import type { ManifestElement } from '@umbraco-cms/backoffice/extension-api';
+import type { UUIInterfaceColor, UUIInterfaceLook } from '@umbraco-cms/backoffice/external/uui';
+
+/**
+ * Represents an authentication provider that can be used to authenticate users.
+ * The provider needs to be registered in the API that the authorization request is sent to in order to be used.
+ *
+ * @see {forProviderName} for the provider name that this provider is for.
+ */
+export interface ManifestAuthProvider extends ManifestElement {
+	type: 'authProvider';
+
+	/**
+	 * The provider name that this provider is for.
+	 * @examples 'Umbraco.Github'
+	 */
+	forProviderName: string;
+
+	meta?: MetaAuthProvider;
+}
+
+export interface MetaAuthProvider {
+	/**
+	 * The label of the provider that is shown to the user.
+	 */
+	label?: string;
+
+	/**
+	 * The default view of the provider that is shown to the user.
+	 * If no element is provided, then the button will be rendered as a @see {UUIButtonElement} using these options.
+	 */
+	defaultView: {
+		/**
+		 * The icon of the provider that is shown to the user.
+		 * @examples ['icon-cloud', 'icon-github', 'icon-google', 'icon-facebook', 'icon-twitter', 'icon-x', 'icon-microsoft']
+		 * @default 'icon-cloud'
+		 */
+		icon?: string;
+
+		/**
+		 * The color of the provider that is shown to the user.
+		 * @default 'secondary'
+		 */
+		color?: UUIInterfaceLook;
+
+		/**
+		 * The look of the provider that is shown to the user.
+		 * @default 'default'
+		 */
+		look?: UUIInterfaceColor;
+	};
+
+	/**
+	 * If true, the Umbraco backoffice login will be disabled.
+	 * @default false
+	 */
+	denyLocalLogin?: boolean;
+
+	/**
+	 * If true, the user will be redirected to the provider's login page immediately.
+	 * @default false
+	 */
+	autoRedirect?: boolean;
+}
diff --git a/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/models/index.ts b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/models/index.ts
index bd329b9276..c6d951bd27 100644
--- a/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/models/index.ts
+++ b/src/Umbraco.Web.UI.Client/src/packages/core/extension-registry/models/index.ts
@@ -1,3 +1,4 @@
+import type { ManifestAuthProvider } from './auth-provider.model.js';
 import type { ManifestBlockEditorCustomView } from './block-editor-custom-view.model.js';
 import type { ManifestCollection } from './collection.models.js';
 import type { ManifestCollectionView } from './collection-view.model.js';
@@ -64,6 +65,7 @@ import type {
 	ManifestEntryPoint,
 } from '@umbraco-cms/backoffice/extension-api';
 
+export type * from './auth-provider.model.js';
 export type * from './block-editor-custom-view.model.js';
 export type * from './collection.models.js';
 export type * from './collection-action.model.js';
@@ -131,12 +133,13 @@ export type ManifestWorkspaces = ManifestWorkspace | ManifestWorkspaceRoutableKi
 export type ManifestWorkspaceViews = ManifestWorkspaceView | ManifestWorkspaceViewContentTypeDesignEditorKind;
 
 export type ManifestTypes =
+	| ManifestAuthProvider
 	| ManifestBundle<ManifestTypes>
-	| ManifestCondition
 	| ManifestBlockEditorCustomView
 	| ManifestCollection
 	| ManifestCollectionView
 	| ManifestCollectionAction
+	| ManifestCondition
 	| ManifestDashboard
 	| ManifestDashboardCollection
 	| ManifestDynamicRootOrigin