diff --git a/src/mobx/State.ts b/src/mobx/State.ts
index ca112b37..5023062a 100644
--- a/src/mobx/State.ts
+++ b/src/mobx/State.ts
@@ -6,6 +6,14 @@ import { useContext } from "preact/hooks";
 import Auth from "./stores/Auth";
 import Draft from "./stores/Draft";
 
+interface StoreDefinition {
+    id: string;
+    instance: Record<string, unknown>;
+    persistent: boolean;
+    synced: boolean;
+    global: boolean;
+}
+
 /**
  * Handles global application state.
  */
diff --git a/src/mobx/stores/MessageQueue.ts b/src/mobx/stores/MessageQueue.ts
new file mode 100644
index 00000000..e69de29b
diff --git a/src/mobx/stores/NotificationOptions.ts b/src/mobx/stores/NotificationOptions.ts
new file mode 100644
index 00000000..c79e7a79
--- /dev/null
+++ b/src/mobx/stores/NotificationOptions.ts
@@ -0,0 +1,71 @@
+import { action, computed, makeAutoObservable, ObservableMap } from "mobx";
+import { Channel } from "revolt-api/types/Channels";
+
+import Persistent from "../Persistent";
+
+/**
+ * Possible notification states.
+ * TODO: make "muted" gray out the channel
+ * TODO: add server defaults
+ */
+export type NotificationState = "all" | "mention" | "none" | "muted";
+
+/**
+ * Default notification states for various types of channels.
+ */
+export const DEFAULT_STATES: {
+    [key in Channel["channel_type"]]: NotificationState;
+} = {
+    SavedMessages: "all",
+    DirectMessage: "all",
+    Group: "all",
+    TextChannel: "mention",
+    VoiceChannel: "mention",
+};
+
+interface Data {
+    server?: Record<string, string>;
+    channel?: Record<string, string>;
+}
+
+/**
+ * Manages the user's notification preferences.
+ */
+export default class NotificationOptions implements Persistent<Data> {
+    private server: ObservableMap<string, string>;
+    private channel: ObservableMap<string, string>;
+
+    /**
+     * Construct new Experiments store.
+     */
+    constructor() {
+        this.server = new ObservableMap();
+        this.channel = new ObservableMap();
+        makeAutoObservable(this);
+    }
+
+    // eslint-disable-next-line require-jsdoc
+    toJSON() {
+        return {
+            server: this.server,
+            channel: this.channel,
+        };
+    }
+
+    // eslint-disable-next-line require-jsdoc
+    @action hydrate(data: Data) {
+        if (data.server) {
+            Object.keys(data.server).forEach((key) =>
+                this.server.set(key, data.server![key]),
+            );
+        }
+
+        if (data.channel) {
+            Object.keys(data.channel).forEach((key) =>
+                this.channel.set(key, data.channel![key]),
+            );
+        }
+    }
+
+    // TODO: implement
+}
diff --git a/src/mobx/stores/SectionToggle.ts b/src/mobx/stores/SectionToggle.ts
new file mode 100644
index 00000000..e69de29b
diff --git a/src/mobx/stores/ServerConfig.ts b/src/mobx/stores/ServerConfig.ts
new file mode 100644
index 00000000..e69de29b