diff --git a/x-pack/plugins/uptime/server/lib/adapters/telemetry/kibana_telemetry_adapter.ts b/x-pack/plugins/uptime/server/lib/adapters/telemetry/kibana_telemetry_adapter.ts
index 3f6c3da2d6af0..8922661ec0504 100644
--- a/x-pack/plugins/uptime/server/lib/adapters/telemetry/kibana_telemetry_adapter.ts
+++ b/x-pack/plugins/uptime/server/lib/adapters/telemetry/kibana_telemetry_adapter.ts
@@ -5,29 +5,21 @@
  */
 
 import moment from 'moment';
-import {
-  ISavedObjectsRepository,
-  ILegacyScopedClusterClient,
-  SavedObjectsClientContract,
-  ElasticsearchClient,
-} from 'kibana/server';
+import { ISavedObjectsRepository, SavedObjectsClientContract } from 'kibana/server';
 import { CollectorFetchContext, UsageCollectionSetup } from 'src/plugins/usage_collection/server';
 import { PageViewParams, UptimeTelemetry, Usage } from './types';
 import { savedObjectsAdapter } from '../../saved_objects';
-import { UptimeESClient } from '../../lib';
+import { UptimeESClient, createUptimeESClient } from '../../lib';
 
 interface UptimeTelemetryCollector {
   [key: number]: UptimeTelemetry;
 }
-
 // seconds in an hour
 const BUCKET_SIZE = 3600;
 // take buckets in the last day
 const BUCKET_NUMBER = 24;
 
 export class KibanaTelemetryAdapter {
-  public static callCluster: ILegacyScopedClusterClient['callAsCurrentUser'] | ElasticsearchClient;
-
   public static registerUsageCollector = (
     usageCollector: UsageCollectionSetup,
     getSavedObjectsClient: () => ISavedObjectsRepository | undefined
@@ -76,10 +68,11 @@ export class KibanaTelemetryAdapter {
           },
         },
       },
-      fetch: async ({ callCluster }: CollectorFetchContext) => {
+      fetch: async ({ esClient }: CollectorFetchContext) => {
         const savedObjectsClient = getSavedObjectsClient()!;
         if (savedObjectsClient) {
-          await this.countNoOfUniqueMonitorAndLocations(callCluster, savedObjectsClient);
+          const uptimeEsClient = createUptimeESClient({ esClient, savedObjectsClient });
+          await this.countNoOfUniqueMonitorAndLocations(uptimeEsClient, savedObjectsClient);
         }
         const report = this.getReport();
         return { last_24_hours: { hits: { ...report } } };
@@ -132,7 +125,7 @@ export class KibanaTelemetryAdapter {
   }
 
   public static async countNoOfUniqueMonitorAndLocations(
-    callCluster: ILegacyScopedClusterClient['callAsCurrentUser'] | UptimeESClient,
+    callCluster: UptimeESClient,
     savedObjectsClient: ISavedObjectsRepository | SavedObjectsClientContract
   ) {
     const dynamicSettings = await savedObjectsAdapter.getUptimeDynamicSettings(savedObjectsClient);
@@ -194,15 +187,12 @@ export class KibanaTelemetryAdapter {
       },
     };
 
-    const { body: result } =
-      typeof callCluster === 'function'
-        ? await callCluster('search', params)
-        : await callCluster.search(params);
+    const { body: result } = await callCluster.search(params);
 
     const numberOfUniqueMonitors: number = result?.aggregations?.unique_monitors?.value ?? 0;
     const numberOfUniqueLocations: number = result?.aggregations?.unique_locations?.value ?? 0;
-    const monitorNameStats: any = result?.aggregations?.monitor_name;
-    const locationNameStats: any = result?.aggregations?.observer_loc_name;
+    const monitorNameStats = result?.aggregations?.monitor_name;
+    const locationNameStats = result?.aggregations?.observer_loc_name;
     const uniqueMonitors: any = result?.aggregations?.monitors.buckets;
 
     const bucketId = this.getBucketToIncrement();
diff --git a/x-pack/plugins/uptime/server/lib/lib.ts b/x-pack/plugins/uptime/server/lib/lib.ts
index ee84cf4463ceb..6515bdce31c69 100644
--- a/x-pack/plugins/uptime/server/lib/lib.ts
+++ b/x-pack/plugins/uptime/server/lib/lib.ts
@@ -3,7 +3,12 @@
  * or more contributor license agreements. Licensed under the Elastic License;
  * you may not use this file except in compliance with the Elastic License.
  */
-import { ElasticsearchClient, SavedObjectsClientContract, KibanaRequest } from 'kibana/server';
+import {
+  ElasticsearchClient,
+  SavedObjectsClientContract,
+  KibanaRequest,
+  ISavedObjectsRepository,
+} from 'kibana/server';
 import chalk from 'chalk';
 import { UMBackendFrameworkAdapter } from './adapters';
 import { UMLicenseCheck } from './domains';
@@ -41,7 +46,7 @@ export function createUptimeESClient({
 }: {
   esClient: ElasticsearchClient;
   request?: KibanaRequest;
-  savedObjectsClient: SavedObjectsClientContract;
+  savedObjectsClient: SavedObjectsClientContract | ISavedObjectsRepository;
 }) {
   const { _debug = false } = (request?.query as { _debug: boolean }) ?? {};
 
diff --git a/x-pack/typings/elasticsearch/aggregations.d.ts b/x-pack/typings/elasticsearch/aggregations.d.ts
index 12542363fa8e8..9f25920353b2f 100644
--- a/x-pack/typings/elasticsearch/aggregations.d.ts
+++ b/x-pack/typings/elasticsearch/aggregations.d.ts
@@ -99,6 +99,7 @@ export interface AggregationOptionsByType {
   extended_stats: {
     field: string;
   };
+  string_stats: { field: string };
   top_hits: {
     from?: number;
     size?: number;
@@ -274,6 +275,13 @@ interface AggregationResponsePart<TAggregationOptionsMap extends AggregationOpti
       lower: number | null;
     };
   };
+  string_stats: {
+    count: number;
+    min_length: number;
+    max_length: number;
+    avg_length: number;
+    entropy: number;
+  };
   top_hits: {
     hits: {
       total: {