diff --git a/apps/dashboard/src/lib/stores/websocket.ts b/apps/dashboard/src/lib/stores/websocket.ts
index 8ae8c65..f96d229 100644
--- a/apps/dashboard/src/lib/stores/websocket.ts
+++ b/apps/dashboard/src/lib/stores/websocket.ts
@@ -105,3 +105,24 @@ export const avgRetention = derived(websocket, $ws =>
 export const suppressedCount = derived(websocket, $ws =>
 	($ws.lastHeartbeat?.data?.suppressed_count as number) ?? 0
 );
+
+// v2.0.7: uptime of the MCP server in seconds, refreshed every heartbeat.
+// Exposed raw so callers can format as they like; the helper below is the
+// standard compact format ("3d 4h 22m", "18m", "47s") used in the sidebar.
+export const uptimeSeconds = derived(websocket, $ws =>
+	($ws.lastHeartbeat?.data?.uptime_secs as number) ?? 0
+);
+
+export function formatUptime(secs: number): string {
+	if (!Number.isFinite(secs) || secs < 0) return '—';
+	const d = Math.floor(secs / 86_400);
+	const h = Math.floor((secs % 86_400) / 3_600);
+	const m = Math.floor((secs % 3_600) / 60);
+	const s = Math.floor(secs % 60);
+	// Compact representation: show the two most significant units so the
+	// sidebar stays readable ("3d 4h" not "3d 4h 22m 17s", "18m 43s", etc).
+	if (d > 0) return h > 0 ? `${d}d ${h}h` : `${d}d`;
+	if (h > 0) return m > 0 ? `${h}h ${m}m` : `${h}h`;
+	if (m > 0) return s > 0 ? `${m}m ${s}s` : `${m}m`;
+	return `${s}s`;
+}
diff --git a/apps/dashboard/src/routes/+layout.svelte b/apps/dashboard/src/routes/+layout.svelte
index 5050f37..48eb79a 100644
--- a/apps/dashboard/src/routes/+layout.svelte
+++ b/apps/dashboard/src/routes/+layout.svelte
@@ -4,7 +4,15 @@
 	import { page } from '$app/stores';
 	import { goto } from '$app/navigation';
 	import { base } from '$app/paths';
-	import { websocket, isConnected, memoryCount, avgRetention, suppressedCount } from '$stores/websocket';
+	import {
+		websocket,
+		isConnected,
+		memoryCount,
+		avgRetention,
+		suppressedCount,
+		uptimeSeconds,
+		formatUptime,
+	} from '$stores/websocket';
 	import ForgettingIndicator from '$lib/components/ForgettingIndicator.svelte';
 
 	let { children } = $props();
@@ -141,9 +149,14 @@
 				<div class="w-2 h-2 rounded-full {$isConnected ? 'bg-recall animate-pulse-glow' : 'bg-decay'}"></div>
 				<span class="hidden lg:block text-dim">{$isConnected ? 'Connected' : 'Offline'}</span>
 			</div>
-			<div class="hidden lg:block text-xs text-muted">
+			<div class="hidden lg:block text-xs text-muted space-y-0.5">
 				<div>{$memoryCount} memories</div>
 				<div>{($avgRetention * 100).toFixed(0)}% retention</div>
+				<!-- v2.0.7: surface uptime_secs from the Heartbeat event. Fires
+					 every 30s so this self-refreshes. "up 3d 4h" format. -->
+				{#if $uptimeSeconds > 0}
+					<div title="MCP server uptime">up {formatUptime($uptimeSeconds)}</div>
+				{/if}
 			</div>
 			{#if $suppressedCount > 0}
 				<div class="hidden lg:block pt-1">