diff --git a/lib/hooks/user-identities-hooks.js b/lib/hooks/user-identities-hooks.js
--- a/lib/hooks/user-identities-hooks.js
+++ b/lib/hooks/user-identities-hooks.js
@@ -6,6 +6,7 @@
 import { useFindUserIdentities } from '../actions/find-user-identities-actions.js';
 import { IdentityClientContext } from '../shared/identity-client-context.js';
 import type { FarcasterUser } from '../types/identity-service-types.js';
+import type { AccountUserInfo } from '../types/user-types.js';
 import { useSelector } from '../utils/redux-utils.js';
 
 function useUsersSupportThickThreads(): (
@@ -88,6 +89,51 @@
   );
 }
 
+function useUsersSupportingProtocols(users: $ReadOnlyArray<AccountUserInfo>): {
+  +allUsersSupportThickThreads: boolean,
+  +allUsersSupportFarcasterThreads: boolean,
+} {
+  const checkUsersThickThreadSupport = useUsersSupportThickThreads();
+  const [allUsersSupportThickThreads, setAllUsersSupportThickThreads] =
+    React.useState(false);
+  React.useEffect(() => {
+    void (async () => {
+      if (users.length === 0) {
+        return;
+      }
+      const usersSupportingThickThreads = await checkUsersThickThreadSupport(
+        users.map(user => user.id),
+      );
+      setAllUsersSupportThickThreads(
+        users.every(userInfo => usersSupportingThickThreads.get(userInfo.id)),
+      );
+    })();
+  }, [checkUsersThickThreadSupport, users]);
+
+  const checkUsersFarcasterDCsSupport = useUsersSupportFarcasterDCs();
+  const [allUsersSupportFarcasterThreads, setAllUsersSupportFarcasterThreads] =
+    React.useState(false);
+
+  React.useEffect(() => {
+    void (async () => {
+      if (users.length === 0) {
+        return;
+      }
+      const usersSupportingThickThreads = await checkUsersFarcasterDCsSupport(
+        users.map(user => user.id),
+      );
+      setAllUsersSupportFarcasterThreads(
+        users.every(userInfo => usersSupportingThickThreads.get(userInfo.id)),
+      );
+    })();
+  }, [checkUsersFarcasterDCsSupport, checkUsersThickThreadSupport, users]);
+
+  return React.useMemo(
+    () => ({ allUsersSupportThickThreads, allUsersSupportFarcasterThreads }),
+    [allUsersSupportFarcasterThreads, allUsersSupportThickThreads],
+  );
+}
+
 export type FCUserInfos = $ReadOnlyMap<string, FarcasterUser | void>;
 export type GetCommFCUsersForFIDs = (
   farcasterIDs: $ReadOnlyArray<string | number>,
@@ -142,4 +188,5 @@
   useUsersSupportThickThreads,
   useUsersSupportFarcasterDCs,
   useGetCommFCUsersForFIDs,
+  useUsersSupportingProtocols,
 };
diff --git a/native/chat/message-list-container.react.js b/native/chat/message-list-container.react.js
--- a/native/chat/message-list-container.react.js
+++ b/native/chat/message-list-container.react.js
@@ -7,7 +7,10 @@
 import { Text, View } from 'react-native';
 
 import genesis from 'lib/facts/genesis.js';
-import { useUsersSupportThickThreads } from 'lib/hooks/user-identities-hooks.js';
+import {
+  useUsersSupportingProtocols,
+  useUsersSupportThickThreads,
+} from 'lib/hooks/user-identities-hooks.js';
 import { threadInfoSelector } from 'lib/selectors/thread-selectors.js';
 import { userInfoSelectorForPotentialMembers } from 'lib/selectors/user-selectors.js';
 import { useRefreshFarcasterConversation } from 'lib/shared/farcaster/farcaster-hooks.js';
@@ -284,20 +287,8 @@
       useExistingThreadInfoFinder(baseThreadInfo);
 
     const checkUsersThickThreadSupport = useUsersSupportThickThreads();
-    const [allUsersSupportThickThreads, setAllUsersSupportThickThreads] =
-      React.useState(false);
-    React.useEffect(() => {
-      void (async () => {
-        const usersSupportingThickThreads = await checkUsersThickThreadSupport(
-          userInfoInputArray.map(user => user.id),
-        );
-        setAllUsersSupportThickThreads(
-          userInfoInputArray.every(userInfo =>
-            usersSupportingThickThreads.get(userInfo.id),
-          ),
-        );
-      })();
-    }, [checkUsersThickThreadSupport, userInfoInputArray]);
+    const { allUsersSupportThickThreads } =
+      useUsersSupportingProtocols(userInfoInputArray);
 
     const isSearching = !!props.route.params.searching;
     const threadInfo = React.useMemo(
diff --git a/web/utils/thread-utils.js b/web/utils/thread-utils.js
--- a/web/utils/thread-utils.js
+++ b/web/utils/thread-utils.js
@@ -4,7 +4,7 @@
 import * as React from 'react';
 
 import { useLoggedInUserInfo } from 'lib/hooks/account-hooks.js';
-import { useUsersSupportThickThreads } from 'lib/hooks/user-identities-hooks.js';
+import { useUsersSupportingProtocols } from 'lib/hooks/user-identities-hooks.js';
 import { threadInfoSelector } from 'lib/selectors/thread-selectors.js';
 import {
   createPendingThread,
@@ -77,22 +77,9 @@
     return state.navInfo.pendingThread;
   });
   const existingThreadInfoFinder = useExistingThreadInfoFinder(baseThreadInfo);
-  const checkUsersThickThreadSupport = useUsersSupportThickThreads();
-
-  const [allUsersSupportThickThreads, setAllUsersSupportThickThreads] =
-    React.useState(false);
-  React.useEffect(() => {
-    void (async () => {
-      const usersSupportingThickThreads = await checkUsersThickThreadSupport(
-        selectedUserInfos.map(user => user.id),
-      );
-      setAllUsersSupportThickThreads(
-        selectedUserInfos.every(userInfo =>
-          usersSupportingThickThreads.get(userInfo.id),
-        ),
-      );
-    })();
-  }, [checkUsersThickThreadSupport, selectedUserInfos]);
+
+  const { allUsersSupportThickThreads } =
+    useUsersSupportingProtocols(selectedUserInfos);
 
   const threadInfo = React.useMemo(() => {
     if (isChatCreation) {