diff --git a/keyserver/src/fetchers/community-fetchers.js b/keyserver/src/fetchers/community-fetchers.js
--- a/keyserver/src/fetchers/community-fetchers.js
+++ b/keyserver/src/fetchers/community-fetchers.js
@@ -6,6 +6,7 @@
 } from 'lib/types/community-types.js';
 
 import { fetchPrivilegedThreadInfos } from './thread-fetchers.js';
+import { viewerIsMemberOfThreads } from './thread-permission-fetchers.js';
 import { dbQuery, SQL, mergeAndConditions } from '../database/database.js';
 import { Viewer } from '../session/viewer.js';
 
@@ -93,13 +94,23 @@
 
   const [result] = await dbQuery(query);
 
-  const threadIDs = new Set(result.map(row => row.id.toString()));
+  const threadIDs = result.map(row => row.id.toString());
+
+  const membershipMap = await viewerIsMemberOfThreads(viewer, threadIDs);
+
+  const filteredResult = result.filter(
+    row => !!row.farcasterChannelID && !membershipMap.get(row.id.toString()),
+  );
+
+  const filteredThreadIDs = new Set(
+    filteredResult.map(row => row.id.toString()),
+  );
 
   const threadInfosResult = await fetchPrivilegedThreadInfos(viewer, {
-    threadIDs,
+    threadIDs: filteredThreadIDs,
   });
 
-  const communityInfos = result.map(
+  const communityInfos = filteredResult.map(
     (row): ServerCommunityInfoWithCommunityName => ({
       id: row.id.toString(),
       farcasterChannelID: row.farcasterChannelID,
diff --git a/keyserver/src/fetchers/thread-permission-fetchers.js b/keyserver/src/fetchers/thread-permission-fetchers.js
--- a/keyserver/src/fetchers/thread-permission-fetchers.js
+++ b/keyserver/src/fetchers/thread-permission-fetchers.js
@@ -71,6 +71,19 @@
   return checkThread(viewer, threadID, [{ check: 'is_member' }]);
 }
 
+async function viewerIsMemberOfThreads(
+  viewer: Viewer,
+  threadIDs: $ReadOnlyArray<string>,
+): Promise<Map<string, boolean>> {
+  const validThreadIDs = await checkThreads(viewer, threadIDs, [
+    { check: 'is_member' },
+  ]);
+
+  return new Map(
+    threadIDs.map(threadID => [threadID, validThreadIDs.has(threadID)]),
+  );
+}
+
 async function viewerHasPositiveRole(
   viewer: Viewer,
   threadID: string,
@@ -448,6 +461,7 @@
   fetchThreadPermissionsBlob,
   checkThreadPermission,
   viewerIsMember,
+  viewerIsMemberOfThreads,
   checkThreads,
   getValidThreads,
   checkThread,