diff --git a/.idea/runConfigurations/Start_Caddy.xml b/.idea/runConfigurations/Start_Caddy.xml
index 02d0b47..f1b7dfe 100644
--- a/.idea/runConfigurations/Start_Caddy.xml
+++ b/.idea/runConfigurations/Start_Caddy.xml
@@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Start Caddy" type="ShConfigurationType">
+  <configuration default="false" name="Start Caddy" type="ShConfigurationType" focusToolWindowBeforeRun="true">
     <option name="SCRIPT_TEXT" value="sudo caddy run --config ./Caddyfile" />
     <option name="INDEPENDENT_SCRIPT_PATH" value="true" />
     <option name="SCRIPT_PATH" value="" />
diff --git a/Caddyfile b/Caddyfile
index 723ccf3..12fec59 100644
--- a/Caddyfile
+++ b/Caddyfile
@@ -10,15 +10,19 @@ localhost {
         tls internal
 
         handle_path /cub* {
-                reverse_proxy http://127.0.0.1:3000
+                reverse_proxy 127.0.0.1:3000
         }
 
         handle_path /oauth-client-metadata.json {
                 rewrite * /oauth-client-metadata.json
-                reverse_proxy http://127.0.0.1:3000
+                reverse_proxy 127.0.0.1:3000
+        }
+
+        handle_path /gci* {
+                reverse_proxy 127.0.0.1:3001
         }
 
         handle {
-                reverse_proxy http://127.0.0.1:5173
+                reverse_proxy 127.0.0.1:5173
         }
 }
diff --git a/centralUserBackend/package.json b/centralUserBackend/package.json
index ed80dd9..f388a27 100644
--- a/centralUserBackend/package.json
+++ b/centralUserBackend/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "centraluserbackend",
+  "name": "@harmonychat/centraluserbackend",
   "module": "./src/index.ts",
   "main": "./src/index.ts",
   "type": "module",
diff --git a/frontend/package.json b/frontend/package.json
index e4d38c2..93fe4b0 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "harmonychat-frontend",
+  "name": "@harmonychat/frontend",
   "type": "module",
   "scripts": {
     "dev": "vite dev --host",
@@ -26,7 +26,8 @@
     "postgres": "^3.4.9",
     "solid-js": "^1.9.5",
     "vite": "^7.0.0",
-    "typescript": "^6.0.3"
+    "typescript": "^6.0.3",
+    "@harmonychat/generalcommunicationinstance": "workspace:*"
   },
   "engines": {
     "node": ">=22"
diff --git a/frontend/src/routes/app/community.tsx b/frontend/src/routes/app/community.tsx
index 7b86a4f..f2bbad7 100644
--- a/frontend/src/routes/app/community.tsx
+++ b/frontend/src/routes/app/community.tsx
@@ -1,6 +1,20 @@
-import type { Component, ParentProps } from "solid-js";
+import { SocketMessageType } from "@harmonychat/generalcommunicationinstance/src/socket/types/socketMessageType";
+import { type Component, onMount, type ParentProps } from "solid-js";
 
 const Community: Component<ParentProps> = (props) => {
+  onMount(() => {
+    const gciWebsocket = new WebSocket("wss://127.0.0.1/gci/websocket");
+
+    gciWebsocket.addEventListener("open", (event) => {
+      gciWebsocket.send(JSON.stringify({ type: SocketMessageType.ConnectionPing }));
+    });
+
+    // Listen for messages
+    gciWebsocket.addEventListener("message", (event) => {
+      console.log("Message from server", JSON.parse(event.data));
+    });
+  });
+
   return (
     <div>
       Test CommunityLayout
diff --git a/generalCommunicationInstance/package.json b/generalCommunicationInstance/package.json
index a470010..d0aab1c 100644
--- a/generalCommunicationInstance/package.json
+++ b/generalCommunicationInstance/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "generalcommunicationinstance",
+  "name": "@harmonychat/generalcommunicationinstance",
   "module": "./src/index.ts",
   "main": "./src/index.ts",
   "type": "module",
diff --git a/generalCommunicationInstance/src/databaseTables.ts b/generalCommunicationInstance/src/databaseTables.ts
index 7b21eb8..913f824 100644
--- a/generalCommunicationInstance/src/databaseTables.ts
+++ b/generalCommunicationInstance/src/databaseTables.ts
@@ -1,47 +1,151 @@
 import sql from "./database.ts";
 
+// GCI User Sessions
+// - did                   TEXT
+// - session_token        TEXT[]
+
 await sql`CREATE TABLE IF NOT EXISTS gci_user_sessions (
   did TEXT,
-  session_tokens TEXT[] DEFAULT '{}'
+  session_token TEXT
 )`;
 
-// GCI User
+// GCI Users
 // - did                    TEXT
 // - member_of_communities  TEXT[]
 // - uid                    TEXT
 // - display_name           TEXT
 // - avatar                 TEXT
+// - avatar_shape           INT
 // - bio                    TEXT
 // - links                  TEXT[]
 // - link_to_did            BOOLEAN
 // - display_aliases        TEXT[]
 // - friends                TEXT[]
 // - badges                 TEXT[]
+// - presence               INT
 // - status                 TEXT
 // - status_duration        DATE
+// - pronouns               TEXT
+// - reviews                TEXT[]
+
+await sql`CREATE TABLE IF NOT EXISTS gci_users (
+  did                    TEXT,
+  member_of_communities  TEXT[],
+  uid                    TEXT,
+  display_name           TEXT,
+  avatar                 TEXT,
+  avatar_shape           INT,
+  bio                    TEXT,
+  links                  TEXT[],
+  link_to_did            BOOLEAN,
+  display_aliases        TEXT[],
+  friends                TEXT[],
+  badges                 TEXT[],
+  presence               INT,
+  status                 TEXT,
+  status_duration        DATE,
+  pronouns               TEXT,
+  reviews                TEXT[]
+)`;
 
-// Community
+// GCI Communities
 // - cid                    TEXT
 // - members                TEXT[]
 // - display_name           TEXT
 // - owner                  TEXT
 // - join_links             TEXT[]
 
-// Community Role
+await sql`CREATE TABLE IF NOT EXISTS gci_communities (
+  cid                    TEXT,
+  members                TEXT[],
+  display_name           TEXT,
+  owner                  TEXT,
+  join_links             TEXT[]
+)`;
+
+// GCI Community Invites
+// - cid                    TEXT
+// - invite_code            TEXT
+// - created_by             TEXT
+
+await sql`CREATE TABLE IF NOT EXISTS gci_community_invites (
+  cid                    TEXT,
+  invite_code            TEXT,
+  created_by             TEXT
+)`;
+
+// GCI Community Roles
 // - role_id                TEXT
 // - display_name           TEXT
 // - revoke_permissions     INT[]
 // - apply_permissions      INT[]
 // - requires_two_factor    BOOL
+// - force_badges           INT[]
+// - name_color             TEXT
 
-// Community Audit
+await sql`CREATE TABLE IF NOT EXISTS gci_community_roles (
+  role_id                TEXT,
+  display_name           TEXT,
+  revoke_permissions     INT[],
+  apply_permissions      INT[],
+  requires_two_factor    BOOL,
+  force_badges           INT[],
+  name_color             TEXT
+)`;
+
+// GCI Community Badges
+// - badge_id               INT
+// - texture                TEXT
+// - texture_tint_color     TEXT
+// - required_roles         INT[]
+
+await sql`CREATE TABLE IF NOT EXISTS gci_community_badges (
+  badge_id               INT,
+  texture                TEXT,
+  texture_tint_color     TEXT,
+  required_roles         INT[]
+)`;
+
+// GCI Community Audits
 // - cid                    TEXT
 // - time                   DATE
 // - action_name            TEXT
 // - invoked_by             TEXT
+// - target_member          TEXT
+// - target_channel         INT
+// - target_role            INT
+// - target_badge           INT
+// - target_message         INT
+// - target_interaction     INT
 
-// Community Member
+await sql`CREATE TABLE IF NOT EXISTS gci_community_badges (
+  cid                TEXT,
+  time               DATE,
+  action_name        TEXT,
+  invoked_by         TEXT,
+  target_member      TEXT,
+  target_channel     INT,
+  target_role        INT,
+  target_badge       INT,
+  target_message     INT,
+  target_interaction INT
+)`;
+
+// Community Members
 // - uid                    TEXT
 // - nickname               TEXT
 // - roles                  INT[]
 // - channels_shown         INT[]
+// - badges                 INT[]
+// - messages_sent          INT
+// - members_invited        INT
+
+await sql`CREATE TABLE IF NOT EXISTS gci_community_badges (
+  uid                    TEXT,
+  nickname               TEXT,
+  roles                  INT[],
+  channels_shown         INT[],
+  badges                 INT[],
+  messages_sent          INT,
+  members_invited        INT
+)`;
diff --git a/generalCommunicationInstance/src/index.ts b/generalCommunicationInstance/src/index.ts
index 51b01cb..6406e8a 100644
--- a/generalCommunicationInstance/src/index.ts
+++ b/generalCommunicationInstance/src/index.ts
@@ -18,7 +18,7 @@ app.register(fastifyCookie);
 app.register(fastifyUrlData);
 app.register(fastifyWebsocket);
 
-loadRoutes();
+app.register(loadRoutes);
 
 await app.listen({ port: 3001, host: "127.0.0.1" });
 console.log(`HarmonyChat General Communication Instance Backend listening at ${app.listeningOrigin}`);
diff --git a/generalCommunicationInstance/src/routes.ts b/generalCommunicationInstance/src/routes.ts
index 4c96692..861c688 100644
--- a/generalCommunicationInstance/src/routes.ts
+++ b/generalCommunicationInstance/src/routes.ts
@@ -1,14 +1,28 @@
-import { app } from "./index.ts";
+import type { FastifyInstance } from "fastify";
+import handleSocketMessage from "./socket/handleSocketMessage.ts";
+import { SocketMessageType } from "./socket/types/socketMessageType.ts";
 
-export default function main() {
+export default function main(app: FastifyInstance) {
   app.get("/", () => {
     return "Hello from the HarmonyChat General Communication Instance Backend!";
   });
 
-  app.get("/websocket", { websocket: true }, (socket, req) => {
-    socket.on("message", (message) => {
-      // message.toString() === 'hi from client'
-      socket.send("hi from wildcard route");
-    });
+  app.route({
+    method: "GET",
+    url: "/websocket",
+    handler() {
+      /* Leave empty */
+    },
+    wsHandler(socket, req) {
+      socket.on("open", () => {
+        socket.send(JSON.stringify({ message: SocketMessageType.ConnectionEstablished }));
+      });
+
+      socket.on("message", (message) => {
+        const parsedMessage = JSON.parse(message.toString());
+
+        handleSocketMessage(parsedMessage, socket);
+      });
+    },
   });
 }
diff --git a/generalCommunicationInstance/src/socket/createSocketMessageHandler.ts b/generalCommunicationInstance/src/socket/createSocketMessageHandler.ts
new file mode 100644
index 0000000..d6f6eb0
--- /dev/null
+++ b/generalCommunicationInstance/src/socket/createSocketMessageHandler.ts
@@ -0,0 +1,6 @@
+import type { z } from "zod";
+import type { SocketMessageHandler } from "./types/socketMessageHandler.ts";
+
+const createMessageHandler = <T extends z.ZodTypeAny>(handler: SocketMessageHandler<T>) => handler;
+
+export default createMessageHandler;
diff --git a/generalCommunicationInstance/src/socket/handleSocketMessage.ts b/generalCommunicationInstance/src/socket/handleSocketMessage.ts
new file mode 100644
index 0000000..8b8e299
--- /dev/null
+++ b/generalCommunicationInstance/src/socket/handleSocketMessage.ts
@@ -0,0 +1,37 @@
+import * as fs from "node:fs";
+import * as path from "node:path";
+import type { WebSocket } from "ws";
+import createHarmonySocket from "./socket.ts";
+import type { SocketMessageHandler } from "./types/socketMessageHandler.ts";
+import type { SocketMessageType } from "./types/socketMessageType.ts";
+
+const messageHandlerFiles = await fs.promises.readdir(path.join(import.meta.dirname, "messages"));
+
+// @ts-ignore
+const messageHandlers: { [messageType in SocketMessageType]: SocketMessageHandler } = {};
+
+for (const messageHandlerFileName of messageHandlerFiles) {
+  const importedMessageType = (await import(path.join(import.meta.dirname, `./messages/${messageHandlerFileName}`))).default;
+
+  messageHandlers[importedMessageType.type as SocketMessageType] = importedMessageType;
+}
+
+// biome-ignore lint/suspicious/noExplicitAny: the type of content is not yet known at this stage
+export default function handleSocketMessage(message: { type: SocketMessageType; content: any }, socket: WebSocket) {
+  const resolvedHandler = messageHandlers[message.type];
+
+  if (resolvedHandler) {
+    console.log(`Client -> Server: ${message.type}`, message.content ?? "");
+
+    const parseResult = resolvedHandler.schema.safeParse(message.content);
+
+    if (!parseResult.success) {
+      console.error({ parseError: parseResult.error });
+      return;
+    }
+
+    resolvedHandler.onMessage(parseResult.data, createHarmonySocket(socket));
+  } else {
+    console.warn(`Unknown socket message type`, message.type);
+  }
+}
diff --git a/generalCommunicationInstance/src/socket/messages/connection_ping.ts b/generalCommunicationInstance/src/socket/messages/connection_ping.ts
new file mode 100644
index 0000000..5877e30
--- /dev/null
+++ b/generalCommunicationInstance/src/socket/messages/connection_ping.ts
@@ -0,0 +1,11 @@
+import { z } from "zod";
+import createMessageHandler from "../createSocketMessageHandler.ts";
+import { SocketMessageType } from "../types/socketMessageType.ts";
+
+export default createMessageHandler({
+  type: SocketMessageType.ConnectionPing,
+  schema: z.undefined(),
+  onMessage(_, socket) {
+    socket.reply(SocketMessageType.ConnectionPong, undefined);
+  },
+});
diff --git a/generalCommunicationInstance/src/socket/messages/connection_pong.ts b/generalCommunicationInstance/src/socket/messages/connection_pong.ts
new file mode 100644
index 0000000..f0067e9
--- /dev/null
+++ b/generalCommunicationInstance/src/socket/messages/connection_pong.ts
@@ -0,0 +1,11 @@
+import { z } from "zod";
+import createMessageHandler from "../createSocketMessageHandler.ts";
+import { SocketMessageType } from "../types/socketMessageType.ts";
+
+export default createMessageHandler({
+  type: SocketMessageType.ConnectionPong,
+  schema: z.undefined(),
+  onMessage(_, socket) {
+    socket.reply(SocketMessageType.ConnectionPing, undefined);
+  },
+});
diff --git a/generalCommunicationInstance/src/socket/socket.ts b/generalCommunicationInstance/src/socket/socket.ts
new file mode 100644
index 0000000..179421f
--- /dev/null
+++ b/generalCommunicationInstance/src/socket/socket.ts
@@ -0,0 +1,16 @@
+import type { WebSocket } from "ws";
+import type { SocketMessageType } from "./types/socketMessageType.ts";
+
+export default function createHarmonySocket(socket: WebSocket) {
+  return {
+    reply<ContentType>(messageType: SocketMessageType, content: ContentType) {
+      console.log(`Client <- Server: ${messageType}`, content ?? "");
+
+      socket.send(JSON.stringify({ type: messageType, content: content }));
+      return;
+    },
+    rawWebSocket: socket,
+  };
+}
+
+export type HarmonySocket = ReturnType<typeof createHarmonySocket>;
diff --git a/generalCommunicationInstance/src/socket/types/socketMessageHandler.ts b/generalCommunicationInstance/src/socket/types/socketMessageHandler.ts
new file mode 100644
index 0000000..8f57dad
--- /dev/null
+++ b/generalCommunicationInstance/src/socket/types/socketMessageHandler.ts
@@ -0,0 +1,9 @@
+import type { z } from "zod";
+import type { HarmonySocket } from "../socket.ts";
+import type { SocketMessageType } from "./socketMessageType.ts";
+
+export interface SocketMessageHandler<MessageContent extends z.ZodTypeAny> {
+  type: SocketMessageType;
+  schema: MessageContent;
+  onMessage(content: z.infer<MessageContent>, socket: HarmonySocket): void;
+}
diff --git a/generalCommunicationInstance/src/socket/types/socketMessageType.ts b/generalCommunicationInstance/src/socket/types/socketMessageType.ts
new file mode 100644
index 0000000..1d5b137
--- /dev/null
+++ b/generalCommunicationInstance/src/socket/types/socketMessageType.ts
@@ -0,0 +1,8 @@
+export enum SocketMessageType {
+  ConnectionEstablished = "connection_established",
+  ConnectionPing = "connection_ping",
+  ConnectionPong = "connection_pong",
+  JoinCommunity = "join_community",
+  CreateCommunity = "create_community",
+  LeaveCommunity = "leave_community",
+}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index f565a35..1b6266b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -268,6 +268,9 @@ importers:
       '@ewsgit/uikit-solid':
         specifier: file:./uikit-solid
         version: file:frontend/uikit-solid(@types/node@25.9.1)(esbuild@0.28.0)(jiti@2.7.0)(postcss@8.5.15)(sass@1.100.0)(terser@5.48.0)(tsx@4.22.3)(typescript@6.0.3)(yaml@2.9.0)
+      '@harmonychat/generalcommunicationinstance':
+        specifier: workspace:*
+        version: link:../generalCommunicationInstance
       '@material-symbols/svg-700':
         specifier: ^0.44.6
         version: 0.44.9