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
@@ -44,4 +44,45 @@
   );
 }
 
-export { useUsersSupportThickThreads };
+function useUsersSupportFarcasterDCs(): (
+  userIDs: $ReadOnlyArray<string>,
+) => Promise<$ReadOnlyMap<string, boolean | void>> {
+  const findUserIdentities = useFindUserIdentities();
+  const auxUserInfos = useSelector(state => state.auxUserStore.auxUserInfos);
+
+  return React.useCallback(
+    async (userIDs: $ReadOnlyArray<string>) => {
+      const usersSupportingFCDCs = new Map<string, boolean | void>();
+
+      const usersNeedingFetch = [];
+      for (const userID of userIDs) {
+        if (auxUserInfos[userID]?.supportsFarcasterDCs) {
+          usersSupportingFCDCs.set(userID, true);
+        } else {
+          usersNeedingFetch.push(userID);
+        }
+      }
+      if (usersNeedingFetch.length > 0) {
+        const { identities, reservedUserIdentifiers } =
+          await findUserIdentities(usersNeedingFetch);
+        for (const userID of usersNeedingFetch) {
+          // for reserved users, we set DCs support to false
+          const isReserved = !!reservedUserIdentifiers[userID];
+          const doesNotExist = identities[userID] === undefined && !isReserved;
+
+          if (identities[userID]?.hasFarcasterDCsToken) {
+            usersSupportingFCDCs.set(userID, true);
+          } else if (doesNotExist) {
+            usersSupportingFCDCs.set(userID, undefined);
+          } else {
+            usersSupportingFCDCs.set(userID, false);
+          }
+        }
+      }
+      return usersSupportingFCDCs;
+    },
+    [auxUserInfos, findUserIdentities],
+  );
+}
+
+export { useUsersSupportThickThreads, useUsersSupportFarcasterDCs };