diff --git a/src/components/Member/CurrentMembers.vue b/src/components/Member/CurrentMembers.vue
index d22c67cf5..f74e7e644 100644
--- a/src/components/Member/CurrentMembers.vue
+++ b/src/components/Member/CurrentMembers.vue
@@ -28,11 +28,10 @@
 <script>
 import { getCurrentUser } from '@nextcloud/auth'
 import { t } from '@nextcloud/l10n'
-import { mapState } from 'pinia'
 import NcAppNavigationCaption from '@nextcloud/vue/components/NcAppNavigationCaption'
 import MemberItem from './MemberItem.vue'
 import MembersHint from './MembersHint.vue'
-import { useCirclesStore } from '../../stores/circles.js'
+import { circleMemberType } from '../../util/circles.ts'
 
 export default {
 	name: 'CurrentMembers',
@@ -66,8 +65,6 @@ export default {
 	},
 
 	computed: {
-		...mapState(useCirclesStore, ['circleMemberType']),
-
 		isSearching() {
 			return this.searchQuery !== ''
 		},
@@ -102,6 +99,8 @@ export default {
 	methods: {
 		t,
 
+		circleMemberType,
+
 		/**
 		 * @param {object} m1 First member
 		 * @param {string} m1.userId First member user ID
diff --git a/src/components/Member/MemberPicker.vue b/src/components/Member/MemberPicker.vue
index 2d840d58c..f68f5893c 100644
--- a/src/components/Member/MemberPicker.vue
+++ b/src/components/Member/MemberPicker.vue
@@ -60,7 +60,6 @@ import { emit } from '@nextcloud/event-bus'
 import { t } from '@nextcloud/l10n'
 import { generateOcsUrl } from '@nextcloud/router'
 import debounce from 'debounce'
-import { mapState } from 'pinia'
 import NcAppNavigationCaption from '@nextcloud/vue/components/NcAppNavigationCaption'
 import NcTextField from '@nextcloud/vue/components/NcTextField'
 import MagnifyIcon from 'vue-material-design-icons/Magnify.vue'
@@ -70,7 +69,7 @@ import MemberSearchResults from './MemberSearchResults.vue'
 import MembersHint from './MembersHint.vue'
 import SelectedMembers from './SelectedMembers.vue'
 import { autocompleteSourcesToCircleMemberTypes, circlesMemberTypes, shareTypes } from '../../constants.js'
-import { useCirclesStore } from '../../stores/circles.js'
+import { circleMemberType } from '../../util/circles.ts'
 
 export default {
 	name: 'MemberPicker',
@@ -156,8 +155,6 @@ export default {
 	},
 
 	computed: {
-		...mapState(useCirclesStore, ['circleMemberType']),
-
 		hasSearchQuery() {
 			return this.searchQuery !== ''
 		},
@@ -224,7 +221,7 @@ export default {
 		filterSearchResults(item) {
 			return !this.currentMembers.find((m) => {
 				return (item.source === 'circlesx' && item.id === this.circleId)
-					|| (this.circleMemberType(m) === circlesMemberTypes[autocompleteSourcesToCircleMemberTypes[item.source]]
+					|| (circleMemberType(m) === circlesMemberTypes[autocompleteSourcesToCircleMemberTypes[item.source]]
 						&& m.displayName === item.label)
 			})
 		},
diff --git a/src/components/Page/LandingPageWidgets/MembersWidget.vue b/src/components/Page/LandingPageWidgets/MembersWidget.vue
index f7c9dc82a..96eeb98ad 100644
--- a/src/components/Page/LandingPageWidgets/MembersWidget.vue
+++ b/src/components/Page/LandingPageWidgets/MembersWidget.vue
@@ -67,6 +67,7 @@ import { circlesMemberTypes } from '../../../constants.js'
 import { useCirclesStore } from '../../../stores/circles.js'
 import { useCollectivesStore } from '../../../stores/collectives.js'
 import { usePagesStore } from '../../../stores/pages.js'
+import { circleMemberType } from '../../../util/circles.ts'
 
 export default {
 	name: 'MembersWidget',
@@ -97,7 +98,6 @@ export default {
 		...mapState(useCirclesStore, [
 			'circleMembers',
 			'circleMembersSorted',
-			'circleMemberType',
 		]),
 
 		...mapState(useCollectivesStore, [
@@ -134,7 +134,7 @@ export default {
 
 		isNoUser() {
 			return (member) => {
-				return this.circleMemberType(member) !== circlesMemberTypes.TYPE_USER
+				return circleMemberType(member) !== circlesMemberTypes.TYPE_USER
 			}
 		},
 
@@ -185,10 +185,6 @@ export default {
 		},
 	},
 
-	beforeMount() {
-		this.getCircleMembers(this.currentCollective.circleId)
-	},
-
 	mounted() {
 		window.addEventListener('resize', this.updateShowMembersCountDebounced)
 	},
@@ -200,7 +196,6 @@ export default {
 	methods: {
 		t,
 
-		...mapActions(useCirclesStore, ['getCircleMembers']),
 		...mapActions(useCollectivesStore, [
 			'setCollectiveUserSettingShowMembers',
 			'setMembersCollectiveId',
diff --git a/src/composables/useEditor.js b/src/composables/useEditor.js
index 2488d07a1..511e80dab 100644
--- a/src/composables/useEditor.js
+++ b/src/composables/useEditor.js
@@ -5,6 +5,7 @@
 
 import debounce from 'debounce'
 import { computed, markRaw, nextTick, onBeforeUnmount, ref, watch } from 'vue'
+import { useCirclesStore } from '../stores/circles.js'
 import { useCollectivesStore } from '../stores/collectives.js'
 import { usePagesStore } from '../stores/pages.js'
 import { useRootStore } from '../stores/root.js'
@@ -23,6 +24,7 @@ export function useEditor(davContent) {
 	let editorPromise = null
 	const updateCounter = ref(0)
 	const rootStore = useRootStore()
+	const circlesStore = useCirclesStore()
 	const searchStore = useSearchStore()
 	const collectivesStore = useCollectivesStore()
 	const pagesStore = usePagesStore()
@@ -102,6 +104,12 @@ export function useEditor(davContent) {
 			onAttachmentsUpdated({ attachmentSrcs }) {
 				pagesStore.setEditorEmbeddedAttachmentSrcs(attachmentSrcs)
 			},
+			onMentionSearch(query) {
+				const users = circlesStore.currentCircleUserMembersSorted
+				const lowerQuery = query.toLowerCase().trim()
+				console.debug('members for mention search', users)
+				return Object.fromEntries(Object.entries(users).filter(([key, value]) => key.toLowerCase().includes(lowerQuery) || value.toLowerCase().includes(lowerQuery)))
+			},
 			onOutlineToggle: pagesStore.setOutlineForCurrentPage,
 		})
 
diff --git a/src/constants.js b/src/constants.js
index 0cfc52193..b77556067 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -8,7 +8,7 @@ export const TEMPLATE_PAGE = 'Template'
 export const PAGE_SUFFIX = '.md'
 export const TEMPLATE_PATH = '.templates'
 
-// Circle lember levels
+// Circle member levels
 export const memberLevels = {
 	LEVEL_MEMBER: 1,
 	LEVEL_MODERATOR: 4,
diff --git a/src/stores/circles.js b/src/stores/circles.js
index feebb5100..0e275dcf6 100644
--- a/src/stores/circles.js
+++ b/src/stores/circles.js
@@ -8,6 +8,7 @@ import { generateOcsUrl } from '@nextcloud/router'
 import { useLocalStorage } from '@vueuse/core'
 import { defineStore } from 'pinia'
 import { circlesMemberTypes } from '../constants.js'
+import { sortMembersByLevelAndType } from '../util/circles.ts'
 import { useCollectivesStore } from './collectives.js'
 import { useRootStore } from './root.js'
 
@@ -34,48 +35,31 @@ export const useCirclesStore = defineStore('circles', {
 				})
 		},
 
-		circleMembers: (state) => (circleId) => state.circlesMembers[circleId] || [],
-
-		circleMemberType: () => (member) => {
-			// If the user type is a circle, this could originate from multiple sources
-			// Copied from Contacts app src/models/member.ts get userType()
-			return member.userType !== circlesMemberTypes.TYPE_CIRCLE
-				? member.userType
-				: member.basedOn.source
+		currentCircleMembers: (state) => {
+			const collectivesStore = useCollectivesStore()
+			const currentCircleId = collectivesStore.currentCollective?.circleId
+			return state.circlesMembers[currentCircleId]
 		},
 
-		circleMembersSorted: (state) => (circleId) => {
-			/**
-			 * @param {object} m1 First member
-			 * @param {string} m1.userId First member user ID
-			 * @param {string} m1.displayName First member display name
-			 * @param {number} m1.level First member level
-			 * @param {number} m1.userType First member user type
-			 * @param {object} m2 Second member
-			 * @param {string} m2.userId Second member user ID
-			 * @param {string} m2.displayName Second member display name
-			 * @param {number} m2.level Second member level
-			 * @param {number} m2.userType Second member user type
-			 */
-			function sortMembersByLevelAndType(m1, m2) {
-				// Sort by level (admin > moderator > member)
-				if (m1.level !== m2.level) {
-					return m1.level < m2.level
-				}
-
-				// Sort by user type (user > group > circle)
-				if (state.circleMemberType(m1) !== state.circleMemberType(m2)) {
-					return state.circleMemberType(m1) > state.circleMemberType(m2)
-				}
+		circleMembers: (state) => (circleId) => state.circlesMembers[circleId] || [],
 
-				// Sort by display name
-				return m1.displayName.localeCompare(m2.displayName)
-			}
+		currentCircleMembersSorted: (state) => state.currentCircleMembers.slice().sort(sortMembersByLevelAndType),
 
+		circleMembersSorted: (state) => (circleId) => {
 			return state.circleMembers(circleId)
 				.slice()
 				.sort(sortMembersByLevelAndType)
 		},
+
+		currentCircleUserMembersSorted: (state) => {
+			const users = {}
+			for (const member of state.currentCircleMembersSorted) {
+				if (member.userType === circlesMemberTypes.TYPE_USER) {
+					users[member.userId] = member.displayName
+				}
+			}
+			return users
+		},
 	},
 
 	actions: {
diff --git a/src/util/circles.ts b/src/util/circles.ts
new file mode 100644
index 000000000..c76bbde22
--- /dev/null
+++ b/src/util/circles.ts
@@ -0,0 +1,62 @@
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import { circlesMemberTypes } from '../constants.js'
+
+type Circle = {
+	id: string
+	name: string
+	displayName: string
+	source: number
+}
+
+type CircleMember = {
+	id: string
+	circleId: string
+	singleId: string
+	userId: string
+	userType: number
+	displayName: string
+	level: number
+	basedOn?: Circle
+}
+
+/**
+ * @param member Member
+ */
+export function circleMemberType(member: CircleMember): number {
+	// If the user type is a circle, this could originate from multiple sources
+	// Copied from Contacts app src/models/member.ts get userType()
+	return member.userType !== circlesMemberTypes.TYPE_CIRCLE
+		? member.userType
+		: member.basedOn.source
+}
+
+/**
+ * @param m1 First member
+ * @param m1.userId First member user ID
+ * @param m1.displayName First member display name
+ * @param m1.level First member level
+ * @param m1.userType First member user type
+ * @param m2 Second member
+ * @param m2.userId Second member user ID
+ * @param m2.displayName Second member display name
+ * @param m2.level Second member level
+ * @param m2.userType Second member user type
+ */
+export function sortMembersByLevelAndType(m1: CircleMember, m2: CircleMember): number {
+	// Sort by level (admin > moderator > member)
+	if (m1.level !== m2.level) {
+		return m2.level - m1.level
+	}
+
+	// Sort by user type (user > group > circle)
+	if (circleMemberType(m1) !== circleMemberType(m2)) {
+		return circleMemberType(m1) - circleMemberType(m2)
+	}
+
+	// Sort by display name
+	return m1.displayName.localeCompare(m2.displayName)
+}
diff --git a/src/views/CollectiveView.vue b/src/views/CollectiveView.vue
index 3f4f75fdf..b167fa033 100644
--- a/src/views/CollectiveView.vue
+++ b/src/views/CollectiveView.vue
@@ -34,6 +34,7 @@ import CollectiveNotFound from '../components/CollectiveNotFound.vue'
 import PageList from '../components/PageList.vue'
 import { useNetworkState } from '../composables/useNetworkState.ts'
 import { sessionUpdateInterval } from '../constants.js'
+import { useCirclesStore } from '../stores/circles.js'
 import { useCollectivesStore } from '../stores/collectives.js'
 import { usePagesStore } from '../stores/pages.js'
 import { useRootStore } from '../stores/root.js'
@@ -123,6 +124,7 @@ export default {
 
 	methods: {
 		...mapActions(useRootStore, ['hide']),
+		...mapActions(useCirclesStore, ['getCircleMembers']),
 		...mapActions(useSessionsStore, ['createSession', 'updateSession', 'closeSession']),
 		...mapActions(useTagsStore, ['getTags']),
 		...mapActions(useTemplatesStore, ['getTemplates']),
@@ -218,6 +220,7 @@ export default {
 				if (!this.currentCollectiveIsPageShare) {
 					promises.push(this.getTemplates(setLoading))
 				}
+				promises.push(this.getCircleMembers(this.currentCollective.circleId))
 			}
 
 			try {