diff --git a/src/lib/stores/index.ts b/src/lib/stores/index.ts
index fc58db6bd..1d1826e3f 100644
--- a/src/lib/stores/index.ts
+++ b/src/lib/stores/index.ts
@@ -1,10 +1,10 @@
 import { APP_NAME } from '$lib/constants';
-import { writable } from 'svelte/store';
+import { type Writable, writable } from 'svelte/store';
 
 // Backend
 export const WEBUI_NAME = writable(APP_NAME);
-export const config = writable(undefined);
-export const user = writable(undefined);
+export const config: Writable<Config | undefined> = writable(undefined);
+export const user: Writable<SessionUser | undefined> = writable(undefined);
 
 // Frontend
 export const MODEL_DOWNLOAD_POOL = writable({});
@@ -14,10 +14,10 @@ export const chatId = writable('');
 
 export const chats = writable([]);
 export const tags = writable([]);
-export const models = writable([]);
+export const models: Writable<Model[]> = writable([]);
 
 export const modelfiles = writable([]);
-export const prompts = writable([]);
+export const prompts: Writable<Prompt[]> = writable([]);
 export const documents = writable([
 	{
 		collection_name: 'collection_name',
@@ -33,6 +33,109 @@ export const documents = writable([
 	}
 ]);
 
-export const settings = writable({});
+export const settings: Writable<Settings> = writable({});
 export const showSettings = writable(false);
 export const showChangelog = writable(false);
+
+type Model = OpenAIModel | OllamaModel;
+
+type OpenAIModel = {
+	id: string;
+	name: string;
+	external: boolean;
+	source?: string;
+};
+
+type OllamaModel = {
+	id: string;
+	name: string;
+
+	// Ollama specific fields
+	details: OllamaModelDetails;
+	size: number;
+	description: string;
+	model: string;
+	modified_at: string;
+	digest: string;
+};
+
+type OllamaModelDetails = {
+	parent_model: string;
+	format: string;
+	family: string;
+	families: string[] | null;
+	parameter_size: string;
+	quantization_level: string;
+};
+
+type Settings = {
+	models?: string[];
+	conversationMode?: boolean;
+	speechAutoSend?: boolean;
+	responseAutoPlayback?: boolean;
+	audio?: AudioSettings;
+	showUsername?: boolean;
+	saveChatHistory?: boolean;
+	notificationEnabled?: boolean;
+	title?: TitleSettings;
+
+	system?: string;
+	requestFormat?: string;
+	keepAlive?: string;
+	seed?: number;
+	temperature?: string;
+	repeat_penalty?: string;
+	top_k?: string;
+	top_p?: string;
+	num_ctx?: string;
+	options?: ModelOptions;
+};
+
+type ModelOptions = {
+	stop?: boolean;
+};
+
+type AudioSettings = {
+	STTEngine?: string;
+	TTSEngine?: string;
+	speaker?: string;
+};
+
+type TitleSettings = {
+	auto?: boolean;
+	model?: string;
+	modelExternal?: string;
+	prompt?: string;
+};
+
+type Prompt = {
+	command: string;
+	user_id: string;
+	title: string;
+	content: string;
+	timestamp: number;
+};
+
+type Config = {
+	status?: boolean;
+	name?: string;
+	version?: string;
+	default_locale?: string;
+	images?: boolean;
+	default_models?: string[];
+	default_prompt_suggestions?: PromptSuggestion[];
+	trusted_header_auth?: boolean;
+};
+
+type PromptSuggestion = {
+	content: string;
+	title: [string, string];
+};
+
+type SessionUser = {
+	id: string;
+	email: string;
+	name: string;
+	role: string;
+	profile_image_url: string;
+};