diff --git a/src/lib/components/AssistantSettings.svelte b/src/lib/components/AssistantSettings.svelte
index e0f22d98fb5..4e86bc45bfc 100644
--- a/src/lib/components/AssistantSettings.svelte
+++ b/src/lib/components/AssistantSettings.svelte
@@ -74,12 +74,14 @@
 
 	let loading = false;
 
-	let ragMode: false | "links" | "domains" | "all" = assistant?.rag?.allowAllDomains
+	let ragMode: false | "links" | "domains" | "all" | "preprompt" = assistant?.rag?.allowAllDomains
 		? "all"
 		: assistant?.rag?.allowedLinks?.length ?? 0 > 0
 		? "links"
 		: (assistant?.rag?.allowedDomains?.length ?? 0) > 0
 		? "domains"
+		: (assistant?.rag?.prepromptUrl ?? "").length > 0
+		? "preprompt"
 		: false;
 </script>
 
@@ -119,18 +121,29 @@
 			formData.set("ragAllowAll", "false");
 			formData.set("ragLinkList", "");
 			formData.set("ragDomainList", "");
+			formData.set("ragPrepromptUrl", "");
 		} else if (ragMode === "all") {
 			formData.set("ragAllowAll", "true");
 			formData.set("ragLinkList", "");
 			formData.set("ragDomainList", "");
+			formData.set("ragPrepromptUrl", "");
 		} else if (ragMode === "links") {
 			formData.set("ragAllowAll", "false");
 			formData.set("ragDomainList", "");
+			formData.set("ragPrepromptUrl", "");
 		} else if (ragMode === "domains") {
 			formData.set("ragAllowAll", "false");
 			formData.set("ragLinkList", "");
+			formData.set("ragPrepromptUrl", "");
+		} else if (ragMode === "preprompt") {
+			formData.set("ragAllowAll", "false");
+			formData.set("ragLinkList", "");
+			formData.set("ragDomainList", "");
+			formData.set(
+				"preprompt",
+				"The system prompt input is disabled when using a system prompt URL."
+			);
 		}
-
 		return async ({ result }) => {
 			loading = false;
 			await applyAction(result);
@@ -384,17 +397,50 @@
 						/>
 						<p class="text-xs text-red-500">{getError("ragLinkList", form)}</p>
 					{/if}
+					<label class="mt-1">
+						<input
+							checked={ragMode === "preprompt"}
+							on:change={() => (ragMode = "preprompt")}
+							type="radio"
+							name="ragMode"
+							value={false}
+						/>
+						<span class="my-2 text-sm" class:font-semibold={ragMode === "links"}>
+							System Prompt URL
+						</span>
+					</label>
+					{#if ragMode === "preprompt"}
+						<span class="mb-2 text-xs text-gray-500">
+							Specify a single URL which returns a plain-text response that will be passed directly
+							as the system prompt.
+						</span>
+						<input
+							name="ragPrepromptUrl"
+							class="w-full rounded-lg border-2 border-gray-200 bg-gray-100 p-2"
+							placeholder="https://raw.githubusercontent.com/huggingface/chat-ui/main/README.md"
+							value={assistant?.rag?.prepromptUrl ?? ""}
+						/>
+						<p class="text-xs text-red-500">{getError("ragPrepromptUrl", form)}</p>
+					{/if}
 				</div>
 			{/if}
 		</div>
 
 		<div class="col-span-1 flex h-full flex-col">
 			<span class="mb-1 text-sm font-semibold"> Instructions (system prompt) </span>
+			<textarea
+				name="preprompt"
+				class="mb-20 min-h-[8lh] flex-1 rounded-lg border-2 border-gray-200 bg-gray-200 p-2 text-sm text-gray-600"
+				value="The system prompt input is disabled when using a system prompt URL."
+				disabled
+				class:hidden={ragMode !== "preprompt"}
+			/>
 			<textarea
 				name="preprompt"
 				class="mb-20 min-h-[8lh] flex-1 rounded-lg border-2 border-gray-200 bg-gray-100 p-2 text-sm"
 				placeholder="You'll act as..."
 				value={assistant?.preprompt ?? ""}
+				class:hidden={ragMode === "preprompt"}
 			/>
 			<p class="text-xs text-red-500">{getError("preprompt", form)}</p>
 		</div>
diff --git a/src/lib/components/chat/AssistantIntroduction.svelte b/src/lib/components/chat/AssistantIntroduction.svelte
index 8ba999a6c7c..398cb827c17 100644
--- a/src/lib/components/chat/AssistantIntroduction.svelte
+++ b/src/lib/components/chat/AssistantIntroduction.svelte
@@ -19,10 +19,9 @@
 
 	const dispatch = createEventDispatcher<{ message: string }>();
 
-	$: hasRag =
-		assistant?.rag?.allowAllDomains ||
-		(assistant?.rag?.allowedDomains?.length ?? 0) > 0 ||
-		(assistant?.rag?.allowedLinks?.length ?? 0) > 0;
+	$: hasRag = Object.values(assistant?.rag ?? {}).some((value) =>
+		Array.isArray(value) ? value.length > 0 : !!value
+	);
 </script>
 
 <div class="flex h-full w-full flex-col content-center items-center justify-center pb-52">
diff --git a/src/lib/types/Assistant.ts b/src/lib/types/Assistant.ts
index 1eb95673e96..c41c447a645 100644
--- a/src/lib/types/Assistant.ts
+++ b/src/lib/types/Assistant.ts
@@ -18,6 +18,7 @@ export interface Assistant extends Timestamps {
 		allowAllDomains: boolean;
 		allowedDomains: string[];
 		allowedLinks: string[];
+		prepromptUrl?: string;
 	};
 	searchTokens: string[];
 }
diff --git a/src/routes/assistants/+page.svelte b/src/routes/assistants/+page.svelte
index 0575568cbb8..c8d660c0f07 100644
--- a/src/routes/assistants/+page.svelte
+++ b/src/routes/assistants/+page.svelte
@@ -202,10 +202,9 @@
 
 		<div class="mt-8 grid grid-cols-2 gap-3 sm:gap-5 md:grid-cols-3 lg:grid-cols-4">
 			{#each data.assistants as assistant (assistant._id)}
-				{@const hasRag =
-					assistant?.rag?.allowAllDomains ||
-					!!assistant?.rag?.allowedDomains?.length ||
-					!!assistant?.rag?.allowedLinks?.length}
+				{@const hasRag = Object.values(assistant?.rag ?? {}).some((value) =>
+					Array.isArray(value) ? value.length > 0 : !!value
+				)}
 
 				<button
 					class="relative flex flex-col items-center justify-center overflow-hidden text-balance rounded-xl border bg-gray-50/50 px-4 py-6 text-center shadow hover:bg-gray-50 hover:shadow-inner max-sm:px-4 sm:h-64 sm:pb-4 xl:pt-8 dark:border-gray-800/70 dark:bg-gray-950/20 dark:hover:bg-gray-950/40"
diff --git a/src/routes/conversation/+server.ts b/src/routes/conversation/+server.ts
index 9af18114191..9bc17f1107c 100644
--- a/src/routes/conversation/+server.ts
+++ b/src/routes/conversation/+server.ts
@@ -10,6 +10,8 @@ import { defaultEmbeddingModel } from "$lib/server/embeddingModels";
 import { v4 } from "uuid";
 import { authCondition } from "$lib/server/auth";
 import { usageLimits } from "$lib/server/usageLimits";
+import { isURLLocal } from "$lib/server/isURLLocal";
+import { parseWeb } from "$lib/server/websearch/parseWeb";
 
 export const POST: RequestHandler = async ({ locals, request }) => {
 	const body = await request.text();
@@ -51,11 +53,22 @@ export const POST: RequestHandler = async ({ locals, request }) => {
 	});
 
 	if (assistant) {
-		values.preprompt = assistant.preprompt;
-	} else {
-		values.preprompt ??= model?.preprompt ?? "";
+		// if the assistant has a preprompt Url and it's not local, try to fetch it
+		if (assistant.rag?.prepromptUrl && !(await isURLLocal(new URL(assistant.rag.prepromptUrl)))) {
+			try {
+				const content = await parseWeb(assistant.rag.prepromptUrl);
+				values.preprompt = content;
+			} catch (e) {
+				values.preprompt = assistant.preprompt;
+			}
+		} else {
+			values.preprompt = assistant.preprompt;
+		}
 	}
 
+	// if no prompt was set try the model preprompt
+	values.preprompt ??= model?.preprompt ?? "";
+
 	let messages: Message[] = [
 		{
 			id: v4(),
diff --git a/src/routes/conversation/[id]/+server.ts b/src/routes/conversation/[id]/+server.ts
index c98d1ead182..b61609c5331 100644
--- a/src/routes/conversation/[id]/+server.ts
+++ b/src/routes/conversation/[id]/+server.ts
@@ -346,10 +346,13 @@ export async function POST({ request, locals, params, getClientAddress }) {
 			const assistantHasRAG =
 				ENABLE_ASSISTANTS_RAG === "true" &&
 				rag &&
-				(rag.allowedLinks.length > 0 || rag.allowedDomains.length > 0 || rag.allowAllDomains);
+				Object.values(rag).some((value) => (Array.isArray(value) ? value.length > 0 : !!value));
 
 			// perform websearch if needed
-			if (!isContinue && ((webSearch && !conv.assistantId) || assistantHasRAG)) {
+			if (
+				!isContinue &&
+				((webSearch && !conv.assistantId) || (assistantHasRAG && !rag.prepromptUrl))
+			) {
 				messageToWriteTo.webSearch = await runWebSearch(conv, messagesForPrompt, update, rag);
 			}
 
diff --git a/src/routes/settings/(nav)/assistants/[assistantId]/+page.svelte b/src/routes/settings/(nav)/assistants/[assistantId]/+page.svelte
index 415778de06c..1dc4d3b94f7 100644
--- a/src/routes/settings/(nav)/assistants/[assistantId]/+page.svelte
+++ b/src/routes/settings/(nav)/assistants/[assistantId]/+page.svelte
@@ -29,10 +29,9 @@
 
 	let displayReportModal = false;
 
-	$: hasRag =
-		assistant?.rag?.allowAllDomains ||
-		!!assistant?.rag?.allowedDomains?.length ||
-		!!assistant?.rag?.allowedLinks?.length;
+	$: hasRag = Object.values(assistant?.rag ?? {}).some((value) =>
+		Array.isArray(value) ? value.length > 0 : !!value
+	);
 </script>
 
 {#if displayReportModal}
@@ -164,14 +163,35 @@
 
 	<!-- two columns for big screen, single column for small screen -->
 	<div class="mb-12 mt-3">
-		<h2 class="mb-2 font-semibold">System Instructions</h2>
-		<textarea
-			disabled
-			class="box-border h-full min-h-[8lh] w-full rounded-lg border-2 border-gray-200 bg-gray-100 p-2 disabled:cursor-not-allowed"
-			>{assistant?.preprompt}</textarea
-		>
+		<h2 class="mb-2 font-semibold">
+			System Instructions
+			{#if assistant?.rag?.prepromptUrl}
+				<span
+					class="inline-grid size-5 place-items-center rounded-full bg-blue-500/10"
+					title="This assistant gets its instructions from the internet.."
+				>
+					<IconInternet classNames="text-sm text-blue-600" />
+				</span>
+			{/if}
+		</h2>
+		{#if assistant?.rag?.prepromptUrl}
+			<p class="pb-3 text-sm text-gray-500">
+				This assistant loads system instructions from the following URL:
+			</p>
+			<a
+				target="_blank"
+				class="break-all rounded-lg border border-gray-200 bg-gray-100 px-2 py-1.5 leading-tight underline decoration-gray-400"
+				href={assistant?.rag?.prepromptUrl}>{assistant?.rag?.prepromptUrl}</a
+			>
+		{:else}
+			<textarea
+				disabled
+				class="box-border h-full min-h-[8lh] w-full rounded-lg border-2 border-gray-200 bg-gray-100 p-2 disabled:cursor-not-allowed"
+				>{assistant?.preprompt}</textarea
+			>
+		{/if}
 
-		{#if hasRag}
+		{#if hasRag && !assistant?.rag?.prepromptUrl}
 			<div class="mt-4">
 				<h2 class=" font-semibold">Internet Access</h2>
 				{#if assistant?.rag?.allowAllDomains}
diff --git a/src/routes/settings/(nav)/assistants/[assistantId]/edit/+page.server.ts b/src/routes/settings/(nav)/assistants/[assistantId]/edit/+page.server.ts
index 1fc21deebb8..72cb68a1fe7 100644
--- a/src/routes/settings/(nav)/assistants/[assistantId]/edit/+page.server.ts
+++ b/src/routes/settings/(nav)/assistants/[assistantId]/edit/+page.server.ts
@@ -24,6 +24,7 @@ const newAsssistantSchema = z.object({
 	ragLinkList: z.preprocess(parseStringToList, z.string().url().array().max(10)),
 	ragDomainList: z.preprocess(parseStringToList, z.string().array()),
 	ragAllowAll: z.preprocess((v) => v === "true", z.boolean()),
+	ragPrepromptUrl: z.union([z.literal(""), z.string().trim().url()]),
 });
 
 const uploadAvatar = async (avatar: File, assistantId: ObjectId): Promise<string> => {
@@ -139,6 +140,7 @@ export const actions: Actions = {
 						allowedLinks: parse.data.ragLinkList,
 						allowedDomains: parse.data.ragDomainList,
 						allowAllDomains: parse.data.ragAllowAll,
+						prepromptUrl: parse.data.ragPrepromptUrl,
 					},
 					searchTokens: generateSearchTokens(parse.data.name),
 				},
diff --git a/src/routes/settings/(nav)/assistants/new/+page.server.ts b/src/routes/settings/(nav)/assistants/new/+page.server.ts
index 21427ec4277..dd8a95c893c 100644
--- a/src/routes/settings/(nav)/assistants/new/+page.server.ts
+++ b/src/routes/settings/(nav)/assistants/new/+page.server.ts
@@ -24,6 +24,7 @@ const newAsssistantSchema = z.object({
 	ragLinkList: z.preprocess(parseStringToList, z.string().url().array().max(10)),
 	ragDomainList: z.preprocess(parseStringToList, z.string().array()),
 	ragAllowAll: z.preprocess((v) => v === "true", z.boolean()),
+	ragPrepromptUrl: z.union([z.literal(""), z.string().trim().url()]),
 });
 
 const uploadAvatar = async (avatar: File, assistantId: ObjectId): Promise<string> => {
@@ -121,6 +122,7 @@ export const actions: Actions = {
 				allowedLinks: parse.data.ragLinkList,
 				allowedDomains: parse.data.ragDomainList,
 				allowAllDomains: parse.data.ragAllowAll,
+				prepromptUrl: parse.data.ragPrepromptUrl,
 			},
 			searchTokens: generateSearchTokens(parse.data.name),
 		});