diff --git a/.forgejo/workflows/daily_data_maintenance.yml b/.forgejo/workflows/daily_data_maintenance.yml
index adbcbd94ac..6e2b3922a0 100644
--- a/.forgejo/workflows/daily_data_maintenance.yml
+++ b/.forgejo/workflows/daily_data_maintenance.yml
@@ -22,11 +22,14 @@ jobs:
         run: npm ci
         shell: bash
 
-      - name: update community index files
+      - name: create community index files
+        shell: bash
+        run: npm run download:community-index -- -- community-index/
+
+      - name: upload community index
         shell: bash
         run: |
-          mkdir community-index
-          npm run download:community-index -- -- community-index/
           zip community-index.zip community-index/*
           scp community-index.zip hetzner:data/
+          ssh hetzner "cd data && rm -rf community-index/ && unzip community-index.zip && rm community-index.zip"
           
diff --git a/assets/layers/osm_community_index/osm_community_index.json b/assets/layers/osm_community_index/osm_community_index.json
index 0f50782567..df2bf5a5ba 100644
--- a/assets/layers/osm_community_index/osm_community_index.json
+++ b/assets/layers/osm_community_index/osm_community_index.json
@@ -19,7 +19,7 @@
     "es": "Una capa que muestra las comunidades de OpenStreetMap"
   },
   "source": {
-    "geoJson": "https://raw.githubusercontent.com/pietervdvn/MapComplete-data/main/community_index/tile_{z}_{x}_{y}.geojson",
+    "geoJson": "https://data.mapcomplete.org/community-index/tile_{z}_{x}_{y}.geojson",
     "geoJsonZoomLevel": 6,
     "osmTags": "resources~*"
   },
diff --git a/scripts/downloadCommunityIndex.ts b/scripts/downloadCommunityIndex.ts
index fe4d4dcc02..6643b23de5 100644
--- a/scripts/downloadCommunityIndex.ts
+++ b/scripts/downloadCommunityIndex.ts
@@ -2,7 +2,7 @@ import Script from "./Script"
 import { CommunityResource } from "../src/Logic/Web/CommunityIndex"
 import { Utils } from "../src/Utils"
 import { FeatureCollection, MultiPolygon, Polygon } from "geojson"
-import { writeFileSync } from "fs"
+import { existsSync, mkdirSync, writeFileSync } from "fs"
 import { GeoOperations } from "../src/Logic/GeoOperations"
 import { Tiles } from "../src/Models/TileRange"
 import ScriptUtils from "./ScriptUtils"
@@ -53,6 +53,9 @@ class DownloadCommunityIndex extends Script {
             id: string
         }>>(DownloadCommunityIndex.upstreamUrl + "completeFeatureCollection.json"
         )
+        if (!existsSync(targetDirectory)) {
+            mkdirSync(targetDirectory)
+        }
         const features = data.features
         const global = features.find(
             f => f.id === "Q2"
@@ -76,6 +79,7 @@ class DownloadCommunityIndex extends Script {
         const spread = GeoOperations.spreadIntoBboxes(local, DownloadCommunityIndex.targetZoomlevel)
         let written = 0
         let skipped = 0
+        const writtenTilesOverview: Record<number, number[]> = {}
         writeFileSync(targetDirectory + "local.geojson", JSON.stringify({ type: "FeatureCollection", features: local }))
         for (const tileIndex of spread.keys()) {
             const features = spread.get(tileIndex)
@@ -95,9 +99,16 @@ class DownloadCommunityIndex extends Script {
             })
             writeFileSync(path, JSON.stringify({ type: "FeatureCollection", features: clipped }), "utf8")
             written++
+            let yList = writtenTilesOverview[x]
+            if (!yList) {
+                yList = []
+                writtenTilesOverview[x] = yList
+            }
+            yList.push(y)
             console.log(`Written tile ${path}`)
         }
         console.log(`Created ${written} tiles, skipped ${skipped}`)
+        writeFileSync(targetDirectory + "/tiles_6_overview.json", JSON.stringify(writtenTilesOverview), "utf8")
     }
 
 
diff --git a/src/Logic/FeatureSource/TiledFeatureSource/DynamicGeoJsonTileSource.ts b/src/Logic/FeatureSource/TiledFeatureSource/DynamicGeoJsonTileSource.ts
index 7cb3428563..848d8734b0 100644
--- a/src/Logic/FeatureSource/TiledFeatureSource/DynamicGeoJsonTileSource.ts
+++ b/src/Logic/FeatureSource/TiledFeatureSource/DynamicGeoJsonTileSource.ts
@@ -6,7 +6,7 @@ import { BBox } from "../../BBox"
 import LayerConfig from "../../../Models/ThemeConfig/LayerConfig"
 
 export default class DynamicGeoJsonTileSource extends UpdatableDynamicTileSource {
-    private static whitelistCache = new Map<string, any>()
+    private static whitelistCache = new Map<string, Map<number, Set<number>>>()
 
     constructor(
         layer: LayerConfig,
@@ -27,7 +27,7 @@ export default class DynamicGeoJsonTileSource extends UpdatableDynamicTileSource
         }
         console.log("Creating a dynamic geojson source for", layer.source.geojsonSource)
 
-        let whitelist = undefined
+        let whitelist: Map<number, Set<number>> = undefined
         if (source.geojsonSource.indexOf("{x}_{y}.geojson") > 0) {
             const whitelistUrl = source.geojsonSource
                 .replace("{z}", "" + source.geojsonZoomLevel)
@@ -37,8 +37,8 @@ export default class DynamicGeoJsonTileSource extends UpdatableDynamicTileSource
             if (DynamicGeoJsonTileSource.whitelistCache.has(whitelistUrl)) {
                 whitelist = DynamicGeoJsonTileSource.whitelistCache.get(whitelistUrl)
             } else {
-                Utils.downloadJsonCached(whitelistUrl, 1000 * 60 * 60)
-                    .then((json) => {
+                Utils.downloadJsonCached<Record<string | number, number[]>>(whitelistUrl, 1000 * 60 * 60)
+                    .then(json => {
                         const data = new Map<number, Set<number>>()
                         for (const x in json) {
                             if (x === "zoom") {