diff --git a/keyserver/src/creators/farcaster-channel-tag-creator.js b/keyserver/src/creators/farcaster-channel-tag-creator.js
--- a/keyserver/src/creators/farcaster-channel-tag-creator.js
+++ b/keyserver/src/creators/farcaster-channel-tag-creator.js
@@ -3,6 +3,10 @@
 import uuid from 'uuid';
 
 import { farcasterChannelTagBlobHash } from 'lib/shared/community-utils.js';
+import {
+  hasMinCodeVersion,
+  NEXT_CODE_VERSION,
+} from 'lib/shared/version-utils.js';
 import type {
   CreateOrUpdateFarcasterChannelTagRequest,
   CreateOrUpdateFarcasterChannelTagResponse,
@@ -17,6 +21,7 @@
   MYSQL_DUPLICATE_ENTRY_FOR_KEY_ERROR_CODE,
 } from '../database/database.js';
 import { fetchCommunityInfos } from '../fetchers/community-fetchers.js';
+import { fetchServerThreadInfos } from '../fetchers/thread-fetchers.js';
 import { checkThreadPermission } from '../fetchers/thread-permission-fetchers.js';
 import {
   uploadBlobKeyserverWrapper,
@@ -26,7 +31,9 @@
   type BlobDownloadResult,
 } from '../services/blob.js';
 import { Viewer } from '../session/viewer.js';
+import { updateThread } from '../updaters/thread-updaters.js';
 import { thisKeyserverID } from '../user/identity.js';
+import { neynarClient } from '../utils/fc-cache.js';
 import { getAndAssertKeyserverURLFacts } from '../utils/urls.js';
 
 async function createOrUpdateFarcasterChannelTag(
@@ -130,9 +137,65 @@
     throw new ServerError('invalid_parameters');
   }
 
+  const neynarChannelDescriptionPromise = (async () => {
+    if (!neynarClient) {
+      return '';
+    }
+    const channelInfo = await neynarClient?.fetchFarcasterChannelByID(
+      request.farcasterChannelID,
+    );
+    return channelInfo?.description ?? '';
+  })();
+
+  const [fcChannelDescription, serverThreadInfos] = await Promise.all([
+    neynarChannelDescriptionPromise,
+    fetchServerThreadInfos({ threadID: request.commCommunityID }),
+  ]);
+
+  const threadInfo = serverThreadInfos.threadInfos[request.commCommunityID];
+  if (!threadInfo) {
+    return {
+      commCommunityID: request.commCommunityID,
+      farcasterChannelID: request.farcasterChannelID,
+    };
+  }
+  const { avatar, description } = threadInfo;
+  if (avatar && description) {
+    return {
+      commCommunityID: request.commCommunityID,
+      farcasterChannelID: request.farcasterChannelID,
+    };
+  }
+
+  let changes = {};
+  if (!avatar) {
+    changes = { ...changes, avatar: { type: 'farcaster' } };
+  }
+  if (!description) {
+    changes = { ...changes, description: fcChannelDescription };
+  }
+
+  const changeThreadSettingsResult = await updateThread(viewer, {
+    threadID: request.commCommunityID,
+    changes,
+  });
+
+  if (
+    !hasMinCodeVersion(viewer.platformDetails, {
+      native: NEXT_CODE_VERSION,
+      web: NEXT_CODE_VERSION,
+    })
+  ) {
+    return {
+      commCommunityID: request.commCommunityID,
+      farcasterChannelID: request.farcasterChannelID,
+    };
+  }
+
   return {
     commCommunityID: request.commCommunityID,
     farcasterChannelID: request.farcasterChannelID,
+    ...changeThreadSettingsResult,
   };
 }
 
diff --git a/lib/actions/community-actions.js b/lib/actions/community-actions.js
--- a/lib/actions/community-actions.js
+++ b/lib/actions/community-actions.js
@@ -99,12 +99,7 @@
       requests,
     );
 
-    const response = responses[keyserverID];
-
-    return {
-      commCommunityID: response.commCommunityID,
-      farcasterChannelID: response.farcasterChannelID,
-    };
+    return responses[keyserverID];
   };
 
 function useCreateOrUpdateFarcasterChannelTag(): (
diff --git a/lib/types/community-types.js b/lib/types/community-types.js
--- a/lib/types/community-types.js
+++ b/lib/types/community-types.js
@@ -2,6 +2,8 @@
 
 import t, { type TInterface } from 'tcomb';
 
+import type { RawMessageInfo } from './message-types.js';
+import type { ServerUpdateInfo } from './update-types.js';
 import { tID, tShape } from '../utils/validation-utils.js';
 
 export type CommunityInfo = {
@@ -58,6 +60,10 @@
 export type CreateOrUpdateFarcasterChannelTagResponse = {
   +commCommunityID: string,
   +farcasterChannelID: string,
+  +updatesResult?: ?{
+    +newUpdates: $ReadOnlyArray<ServerUpdateInfo>,
+  },
+  +newMessageInfos?: ?$ReadOnlyArray<RawMessageInfo>,
 };
 
 export type DeleteFarcasterChannelTagRequest = {
diff --git a/lib/types/validators/farcaster-channel-tag-validators.js b/lib/types/validators/farcaster-channel-tag-validators.js
--- a/lib/types/validators/farcaster-channel-tag-validators.js
+++ b/lib/types/validators/farcaster-channel-tag-validators.js
@@ -4,9 +4,24 @@
 
 import { tShape, tID } from '../../utils/validation-utils.js';
 import type { CreateOrUpdateFarcasterChannelTagResponse } from '../community-types';
+import { rawMessageInfoValidator } from '../message-types.js';
+import {
+  serverUpdateInfoValidator,
+  type ServerUpdateInfo,
+} from '../update-types.js';
+
+const updatesResultValidator: TInterface<{
+  +newUpdates: $ReadOnlyArray<ServerUpdateInfo>,
+}> = tShape<{
+  +newUpdates: $ReadOnlyArray<ServerUpdateInfo>,
+}>({
+  newUpdates: t.list(serverUpdateInfoValidator),
+});
 
 export const createOrUpdateFarcasterChannelTagResponseValidator: TInterface<CreateOrUpdateFarcasterChannelTagResponse> =
   tShape<CreateOrUpdateFarcasterChannelTagResponse>({
     commCommunityID: tID,
     farcasterChannelID: t.String,
+    newMessageInfos: t.maybe(t.list(rawMessageInfoValidator)),
+    updatesResult: t.maybe(updatesResultValidator),
   });