diff --git a/centralUserBackend/src/databaseTables.ts b/centralUserBackend/src/databaseTables.ts
index ce71f55..3b787e7 100644
--- a/centralUserBackend/src/databaseTables.ts
+++ b/centralUserBackend/src/databaseTables.ts
@@ -2,8 +2,7 @@ import sql from "./database.ts";
 
 await sql`CREATE TABLE IF NOT EXISTS cub_user_sessions (
   did TEXT,
-  intermediate_frontend_access_token TEXT NULL,
-  session_tokens TEXT[] DEFAULT '{}',
+  session_token TEXT,
   login_ips TEXT[] DEFAULT '{}',
-  login_timestamps TIMESTAMP[] DEFAULT '{}' 
+  login_timestamps TIMESTAMP[] DEFAULT '{}'
 )`;
diff --git a/frontend/src/routes/app/community.tsx b/frontend/src/routes/app/community.tsx
index c9fa609..d21a886 100644
--- a/frontend/src/routes/app/community.tsx
+++ b/frontend/src/routes/app/community.tsx
@@ -1,36 +1,60 @@
 import UKButton from "@ewsgit/uikit-solid/src/components/button/UKButton.jsx";
 import { SocketMessageType } from "@harmonychat/generalcommunicationinstance/src/socket/types/socketMessageType";
-import { type Component, onMount, type ParentProps } from "solid-js";
+import { type Component, createSignal, For, onMount, type ParentProps, Show } from "solid-js";
 
 const Community: Component<ParentProps> = (props) => {
-  let socket: WebSocket;
+  const [socket, setSocket] = createSignal<WebSocket | undefined>(undefined);
+  const [cids, setCids] = createSignal<string[]>([]);
 
   onMount(() => {
     const gciWebsocket = new WebSocket("wss://127.0.0.1/gci/websocket");
-    socket = gciWebsocket;
 
     gciWebsocket.addEventListener("open", () => {
+      setSocket(gciWebsocket);
       gciWebsocket.send(JSON.stringify({ type: SocketMessageType.ConnectionPing }));
+      gciWebsocket.send(JSON.stringify({ type: SocketMessageType.ListParticipatingCommunities }));
     });
 
     // Listen for messages
     gciWebsocket.addEventListener("message", (event) => {
-      console.log("Message from server", JSON.parse(event.data));
+      const parsedMessage = JSON.parse(event.data);
+      console.log("Message from server", parsedMessage);
+
+      const messageType = parsedMessage.type as SocketMessageType;
+      const messageContent = parsedMessage.content;
+
+      switch (messageType) {
+        case SocketMessageType.ListParticipatingCommunities: {
+          setCids(messageContent);
+          break;
+        }
+        case SocketMessageType.CreateCommunity: {
+          gciWebsocket.send(JSON.stringify({ type: SocketMessageType.ListParticipatingCommunities }));
+          break;
+        }
+      }
     });
   });
 
   return (
-    <div>
-      Test CommunityLayout
-      {props.children}
-      <UKButton
-        onClick={() => {
-          socket.send(JSON.stringify({ type: SocketMessageType.CreateCommunity, content: { displayName: "Sample Community Name" } }));
-        }}
-      >
-        Create Community
-      </UKButton>
-    </div>
+    <Show when={!!socket()}>
+      <div>
+        Test CommunityLayout
+        {props.children}
+        <UKButton
+          onClick={() => {
+            socket()!.send(JSON.stringify({ type: SocketMessageType.CreateCommunity, content: { displayName: "Sample Community Name" } }));
+          }}
+        >
+          Create Community
+        </UKButton>
+        <For each={cids()}>
+          {(cid) => {
+            return <div>{cid}</div>;
+          }}
+        </For>
+      </div>
+    </Show>
   );
 };
 
diff --git a/frontend/uikit-solid b/frontend/uikit-solid
deleted file mode 160000
index e7e5041..0000000
--- a/frontend/uikit-solid
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit e7e5041e376c737e386f86c8cc585f8e3ff805d0
diff --git a/generalCommunicationInstance/src/options.ts b/generalCommunicationInstance/src/options.ts
new file mode 100644
index 0000000..4d05444
--- /dev/null
+++ b/generalCommunicationInstance/src/options.ts
@@ -0,0 +1 @@
+export const MAXIMUM_COMMUNITIES_PER_USER = 200;
diff --git a/generalCommunicationInstance/src/socket/messages/create_community.ts b/generalCommunicationInstance/src/socket/messages/create_community.ts
index 36b4e0e..3c4888b 100644
--- a/generalCommunicationInstance/src/socket/messages/create_community.ts
+++ b/generalCommunicationInstance/src/socket/messages/create_community.ts
@@ -1,5 +1,6 @@
 import { z } from "zod";
 import sql from "../../database.ts";
+import { MAXIMUM_COMMUNITIES_PER_USER } from "../../options.ts";
 import RolePermissions from "../../types/rolePermissions.ts";
 import createUniqueId from "../../uid.ts";
 import createMessageHandler from "../createSocketMessageHandler.ts";
@@ -11,18 +12,23 @@ export default createMessageHandler({
   async onMessage(content, socket) {
     console.log(content);
 
+    if ((await sql`SELECT cid FROM gci_community_members WHERE uid = ${socket.user.uid}`).length >= MAXIMUM_COMMUNITIES_PER_USER) {
+      socket.reply(SocketMessageType.Error, { message: "You are in too many communities (200)" });
+      return;
+    }
+
     const cid = createUniqueId();
 
     const transactionSuccess = await sql.begin(async (s) => {
       await s`INSERT INTO gci_communities (cid, members, display_name, owner) VALUES (${cid}, ${[socket.user.uid]}, ${content.displayName}, ${socket.user.uid})`;
+      await s`UPDATE gci_users SET member_of_communities = array_append(member_of_communities, ${cid}) WHERE uid = ${socket.user.uid}`;
       const OWNER_ROLE_ID = 0;
       await s`INSERT INTO gci_community_members (cid, uid, roles) VALUES (${cid}, ${socket.user.uid}, ${[OWNER_ROLE_ID]})`;
       await s`INSERT INTO gci_community_roles (cid, role_id, display_name, apply_permissions, name_color) VALUES (${cid}, ${OWNER_ROLE_ID}, ${"Owner"}, ${[RolePermissions.ADMINISTRATOR]}, ${"#998844"})`;
-      await s`UPDATE gci_users SET member_of_communities = array_append(member_of_communities, ${cid}) WHERE uid = ${socket.user.uid}`;
 
       return true;
     });
 
-    if (transactionSuccess) socket.reply(SocketMessageType.ConfirmCommunityCreated, { cid });
+    if (transactionSuccess) socket.reply(SocketMessageType.CreateCommunity, { cid });
   },
 });
diff --git a/generalCommunicationInstance/src/socket/messages/list_participating_communities.ts b/generalCommunicationInstance/src/socket/messages/list_participating_communities.ts
new file mode 100644
index 0000000..d14928b
--- /dev/null
+++ b/generalCommunicationInstance/src/socket/messages/list_participating_communities.ts
@@ -0,0 +1,14 @@
+import { z } from "zod";
+import sql from "../../database.ts";
+import createMessageHandler from "../createSocketMessageHandler.ts";
+import { SocketMessageType } from "../types/socketMessageType.ts";
+
+export default createMessageHandler({
+  type: SocketMessageType.ListParticipatingCommunities,
+  schema: z.undefined(),
+  async onMessage(_, socket) {
+    const cids = (await sql`SELECT cid FROM gci_community_members WHERE uid = ${socket.user.uid}`).map((output) => output.cid);
+
+    socket.reply(SocketMessageType.ListParticipatingCommunities, cids ?? []);
+  },
+});
diff --git a/generalCommunicationInstance/src/socket/types/socketMessageType.ts b/generalCommunicationInstance/src/socket/types/socketMessageType.ts
index 52ae9fc..7573c17 100644
--- a/generalCommunicationInstance/src/socket/types/socketMessageType.ts
+++ b/generalCommunicationInstance/src/socket/types/socketMessageType.ts
@@ -4,6 +4,7 @@ export enum SocketMessageType {
   ConnectionPong = "connection_pong",
   JoinCommunity = "join_community",
   CreateCommunity = "create_community",
-  ConfirmCommunityCreated = "confirm_community_created",
+  ListParticipatingCommunities = "list_participating_communities",
   LeaveCommunity = "leave_community",
+  Error = "error",
 }
diff --git a/generalCommunicationInstance/src/uid.ts b/generalCommunicationInstance/src/uid.ts
index 72669e5..15a4339 100644
--- a/generalCommunicationInstance/src/uid.ts
+++ b/generalCommunicationInstance/src/uid.ts
@@ -3,5 +3,7 @@ let lastGeneratedIdSuffix = 0;
 export default function createUniqueId() {
   if (lastGeneratedIdSuffix > 9999) lastGeneratedIdSuffix = 0;
 
-  return Date.now().toString().padStart(16, "0") + lastGeneratedIdSuffix.toString().padStart(8, "0");
+  return (
+    Date.now().toString().padStart(16, "0") + (process.env.HARMONY_GCI_NODE_ID || "0").padStart(4, "0") + lastGeneratedIdSuffix.toString().padStart(8, "0")
+  );
 }