diff --git a/packages/element-web-module-api/element-web-module-api.api.md b/packages/element-web-module-api/element-web-module-api.api.md
index 2d341fd..ac8ce74 100644
--- a/packages/element-web-module-api/element-web-module-api.api.md
+++ b/packages/element-web-module-api/element-web-module-api.api.md
@@ -24,6 +24,18 @@ export interface AccountAuthInfo {
     userId: string;
 }
 
+// @public
+export interface AccountDataApi {
+    delete(eventType: string): Promise<void>;
+    get(eventType: string): unknown;
+    set(eventType: string, content: unknown): Promise<void>;
+}
+
+// @public
+export interface ActionsApi {
+    openRoom: (roomId: string) => void;
+}
+
 // @alpha @deprecated (undocumented)
 export interface AliasCustomisations {
     // (undocumented)
@@ -35,8 +47,10 @@ export interface AliasCustomisations {
 //
 // @public
 export interface Api extends LegacyModuleApiExtension, LegacyCustomisationsApiExtension, DialogApiExtension, AccountAuthApiExtension, ProfileApiExtension {
+    readonly actions: ActionsApi;
     // @alpha
     readonly builtins: BuiltinsApi;
+    readonly client: ClientApi;
     readonly config: ConfigApi;
     createRoot(element: Element): Root;
     // @alpha
@@ -46,11 +60,13 @@ export interface Api extends LegacyModuleApiExtension, LegacyCustomisationsApiEx
     readonly i18n: I18nApi;
     readonly navigation: NavigationApi;
     readonly rootNode: HTMLElement;
+    readonly stores: StoresApi;
 }
 
 // @alpha
 export interface BuiltinsApi {
-    getRoomViewComponent(): React.ComponentType<RoomViewProps>;
+    renderRoomAvatar(roomId: string, size?: string): React.ReactNode;
+    renderRoomView(roomId: string): React.ReactNode;
 }
 
 // @alpha @deprecated (undocumented)
@@ -64,6 +80,12 @@ export interface ChatExportCustomisations<ExportFormat, ExportType> {
     };
 }
 
+// @public
+export interface ClientApi {
+    getAccountDataApi: () => AccountDataApi;
+    getRoom: (id: string) => Room | null;
+}
+
 // @alpha @deprecated (undocumented)
 export interface ComponentVisibilityCustomisations {
     shouldShowComponent?(component: "UIComponent.sendInvites" | "UIComponent.roomCreation" | "UIComponent.spaceCreation" | "UIComponent.exploreRooms" | "UIComponent.addIntegrations" | "UIComponent.filterContainer" | "UIComponent.roomOptionsMenu"): boolean;
@@ -311,11 +333,24 @@ export interface ProfileApiExtension {
     readonly profile: Watchable<Profile>;
 }
 
+// @public
+export interface Room {
+    getLastActiveTimestamp: () => number;
+    id: string;
+    name: Watchable<string>;
+}
+
 // @alpha @deprecated (undocumented)
 export interface RoomListCustomisations<Room> {
     isRoomVisible?(room: Room): boolean;
 }
 
+// @public
+export interface RoomListStoreApi {
+    getRooms(): Room[];
+    waitForReady(): Promise<void>;
+}
+
 // @alpha
 export interface RoomViewProps {
     roomId?: string;
@@ -334,6 +369,11 @@ export interface SpacePanelItemProps {
     tooltip?: string;
 }
 
+// @public
+export interface StoresApi {
+    getRoomListStore(): RoomListStoreApi;
+}
+
 // @public
 export type Translations = Record<string, {
     [ietfLanguageTag: string]: string;
@@ -359,6 +399,10 @@ export type Variables = {
 // @public
 export class Watchable<T> {
     constructor(currentValue: T);
+    // Warning: (ae-forgotten-export) The symbol "WatchFn" needs to be exported by the entry point index.d.ts
+    //
+    // (undocumented)
+    protected readonly listeners: Set<WatchFn<T>>;
     // (undocumented)
     unwatch(listener: (value: T) => void): void;
     // (undocumented)
diff --git a/packages/element-web-module-api/src/api/actions.ts b/packages/element-web-module-api/src/api/actions.ts
new file mode 100644
index 0000000..5019f74
--- /dev/null
+++ b/packages/element-web-module-api/src/api/actions.ts
@@ -0,0 +1,18 @@
+/*
+Copyright 2025 New Vector Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+*/
+
+/**
+ * Exposes certain action that can be performed on element-web.
+ * @public
+ */
+export interface ActionsApi {
+    /**
+     * Open a room in element-web.
+     * @param roomId - id of the room to open
+     */
+    openRoom: (roomId: string) => void;
+}
diff --git a/packages/element-web-module-api/src/api/builtins.ts b/packages/element-web-module-api/src/api/builtins.ts
index 99d60e0..cf43795 100644
--- a/packages/element-web-module-api/src/api/builtins.ts
+++ b/packages/element-web-module-api/src/api/builtins.ts
@@ -25,11 +25,19 @@ export interface RoomViewProps {
  */
 export interface BuiltinsApi {
     /**
-     * Returns the RoomView component used by Element Web to render a room such that
-     * modules can render it as part of their own custom room views.
+     * Render room avatar component from element-web.
      *
      * @alpha
-     * @returns The RoomView component.
+     * @param roomId - Id of the room
+     * @param size - Size of the avatar to render
      */
-    getRoomViewComponent(): React.ComponentType<RoomViewProps>;
+    renderRoomAvatar(roomId: string, size?: string): React.ReactNode;
+
+    /**
+     * Render room view component from element-web.
+     *
+     * @alpha
+     * @param roomId - Id of the room
+     */
+    renderRoomView(roomId: string): React.ReactNode;
 }
diff --git a/packages/element-web-module-api/src/api/client.ts b/packages/element-web-module-api/src/api/client.ts
new file mode 100644
index 0000000..1b9bed9
--- /dev/null
+++ b/packages/element-web-module-api/src/api/client.ts
@@ -0,0 +1,45 @@
+/*
+Copyright 2025 New Vector Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+*/
+
+import type { Room } from "../models/Room";
+
+/**
+ * Modify account data stored on the homeserver.
+ * @public
+ */
+export interface AccountDataApi {
+    /**
+     * Fetch account data stored from homeserver.
+     */
+    get(eventType: string): unknown;
+    /**
+     * Sett account data on the homeserver.
+     */
+    set(eventType: string, content: unknown): Promise<void>;
+    /**
+     * Delete account data from homeserver.
+     */
+    delete(eventType: string): Promise<void>;
+}
+
+/**
+ * Access some limited functionality from the SDK.
+ * @public
+ */
+export interface ClientApi {
+    /**
+     * Use this to modify account data on the homeserver.
+     */
+    getAccountDataApi: () => AccountDataApi;
+
+    /**
+     * Fetch room by id from SDK.
+     * @param id - Id of the room to get
+     * @returns Room object from SDK
+     */
+    getRoom: (id: string) => Room | null;
+}
diff --git a/packages/element-web-module-api/src/api/index.ts b/packages/element-web-module-api/src/api/index.ts
index dacc750..b9a5a32 100644
--- a/packages/element-web-module-api/src/api/index.ts
+++ b/packages/element-web-module-api/src/api/index.ts
@@ -17,6 +17,9 @@ import { AccountAuthApiExtension } from "./auth.ts";
 import { ProfileApiExtension } from "./profile.ts";
 import { ExtrasApi } from "./extras.ts";
 import { BuiltinsApi } from "./builtins.ts";
+import { StoresApi } from "./stores.ts";
+import { ClientApi } from "./client.ts";
+import { ActionsApi } from "./actions.ts";
 
 /**
  * Module interface for modules to implement.
@@ -123,6 +126,21 @@ export interface Api
      */
     readonly extras: ExtrasApi;
 
+    /**
+     * Allows modules to access a limited functionality of certain stores from Element Web.
+     */
+    readonly stores: StoresApi;
+
+    /**
+     * Access some very specific functionality from MatrixClient.
+     */
+    readonly client: ClientApi;
+
+    /**
+     * Exposes certain predefined actions that can be performed on Element Web.
+     */
+    readonly actions: ActionsApi;
+
     /**
      * Create a ReactDOM root for rendering React components.
      * Exposed to allow modules to avoid needing to bundle their own ReactDOM.
diff --git a/packages/element-web-module-api/src/api/stores.ts b/packages/element-web-module-api/src/api/stores.ts
new file mode 100644
index 0000000..469a52b
--- /dev/null
+++ b/packages/element-web-module-api/src/api/stores.ts
@@ -0,0 +1,35 @@
+/*
+Copyright 2025 New Vector Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+*/
+
+import type { Room } from "../models/Room";
+
+/**
+ * Provides some basic functionality of the Room List Store from element-web.
+ * @public
+ */
+export interface RoomListStoreApi {
+    /**
+     * Get a flat list of sorted room from the RLS.
+     */
+    getRooms(): Room[];
+
+    /**
+     * Returns a promise that resolves when RLS is ready.
+     */
+    waitForReady(): Promise<void>;
+}
+
+/**
+ * Provides access to certain stores from element-web.
+ * @public
+ */
+export interface StoresApi {
+    /**
+     * Use this to access limited functionality of the RLS from element-web.
+     */
+    getRoomListStore(): RoomListStoreApi;
+}
diff --git a/packages/element-web-module-api/src/api/watchable.ts b/packages/element-web-module-api/src/api/watchable.ts
index 2f82a9b..3fda595 100644
--- a/packages/element-web-module-api/src/api/watchable.ts
+++ b/packages/element-web-module-api/src/api/watchable.ts
@@ -26,7 +26,7 @@ function isObject(value: unknown): value is object {
  * @public
  */
 export class Watchable<T> {
-    private readonly listeners = new Set<WatchFn<T>>();
+    protected readonly listeners = new Set<WatchFn<T>>();
 
     public constructor(private currentValue: T) {}
 
diff --git a/packages/element-web-module-api/src/index.ts b/packages/element-web-module-api/src/index.ts
index e89adc4..15f1734 100644
--- a/packages/element-web-module-api/src/index.ts
+++ b/packages/element-web-module-api/src/index.ts
@@ -10,6 +10,7 @@ export type { Api, Module, ModuleFactory } from "./api";
 export type { Config, ConfigApi } from "./api/config";
 export type { I18nApi, Variables, Translations } from "./api/i18n";
 export type * from "./models/event";
+export type * from "./models/Room";
 export type * from "./api/custom-components";
 export type * from "./api/extras";
 export type * from "./api/legacy-modules";
@@ -19,4 +20,7 @@ export type * from "./api/dialog";
 export type * from "./api/profile";
 export type * from "./api/navigation";
 export type * from "./api/builtins";
+export type * from "./api/stores";
+export type * from "./api/client";
+export type * from "./api/actions";
 export * from "./api/watchable";
diff --git a/packages/element-web-module-api/src/models/Room.ts b/packages/element-web-module-api/src/models/Room.ts
new file mode 100644
index 0000000..df2f1c8
--- /dev/null
+++ b/packages/element-web-module-api/src/models/Room.ts
@@ -0,0 +1,28 @@
+/*
+Copyright 2025 New Vector Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+*/
+
+import { Watchable } from "../api/watchable";
+
+/**
+ * Represents a room from element-web.
+ * @public
+ */
+export interface Room {
+    /**
+     * Id of this room.
+     */
+    id: string;
+    /**
+     * {@link Watchable} holding the name for this room.
+     */
+    name: Watchable<string>;
+    /**
+     * Get the timestamp of the last message in this room.
+     * @returns last active timestamp
+     */
+    getLastActiveTimestamp: () => number;
+}