diff --git a/projects/packages/my-jetpack/_inc/components/product-cards-section/backup-card/index.jsx b/projects/packages/my-jetpack/_inc/components/product-cards-section/backup-card/index.jsx
index 5451feb38659..5e8a3009ee91 100644
--- a/projects/packages/my-jetpack/_inc/components/product-cards-section/backup-card/index.jsx
+++ b/projects/packages/my-jetpack/_inc/components/product-cards-section/backup-card/index.jsx
@@ -222,7 +222,23 @@ const WithBackupsValueSection = props => {
 			{ lastRewindableEvent ? (
 				<div className={ styles.activity }>
 					<Gridicon icon={ lastRewindableEvent.gridicon } size={ 24 } />
-					<p className={ styles.summary }>{ lastRewindableEvent.summary }</p>
+					<p className={ styles.summary }>
+						{ lastRewindableEvent.summary }
+						{ lastRewindableEvent.actor?.is_mcp_agent && (
+							<>
+								{ ' ' }
+								<span className={ styles.mcpBadge }>
+									{ sprintf(
+										/* translators: %s: The name of the MCP client application. */
+										__( 'via %s (MCP)', 'jetpack-my-jetpack' ),
+										lastRewindableEvent.actor?.mcp_client ||
+											lastRewindableEvent.actor?.mcp_client_name ||
+											__( 'MCP client', 'jetpack-my-jetpack' )
+									) }
+								</span>
+							</>
+						) }
+					</p>
 				</div>
 			) : null }
 		</ProductCard>
diff --git a/projects/packages/my-jetpack/_inc/components/product-cards-section/backup-card/style.module.scss b/projects/packages/my-jetpack/_inc/components/product-cards-section/backup-card/style.module.scss
index 656676977bbb..fa3d8bc08a0f 100644
--- a/projects/packages/my-jetpack/_inc/components/product-cards-section/backup-card/style.module.scss
+++ b/projects/packages/my-jetpack/_inc/components/product-cards-section/backup-card/style.module.scss
@@ -43,6 +43,12 @@
 		font-size: var(--font-body-small);
 		margin: 0;
 	}
+
+	.mcpBadge {
+		display: block;
+		font-size: var(--font-body-extra-small);
+		color: var(--jp-gray-50);
+	}
 }
 
 .description {
diff --git a/projects/packages/my-jetpack/changelog/mcp-activity-log b/projects/packages/my-jetpack/changelog/mcp-activity-log
new file mode 100644
index 000000000000..4065e38c2198
--- /dev/null
+++ b/projects/packages/my-jetpack/changelog/mcp-activity-log
@@ -0,0 +1,4 @@
+Significance: minor
+Type: added
+
+Display MCP client actor attribution in My Jetpack backup card
diff --git a/projects/plugins/jetpack/_inc/client/at-a-glance/backups.jsx b/projects/plugins/jetpack/_inc/client/at-a-glance/backups.jsx
index 667aba9248c4..0afec3ed8d46 100644
--- a/projects/plugins/jetpack/_inc/client/at-a-glance/backups.jsx
+++ b/projects/plugins/jetpack/_inc/client/at-a-glance/backups.jsx
@@ -418,6 +418,8 @@ class DashBackups extends Component {
 			actorName,
 			actorRole,
 			actorAvatarUrl,
+			isMcpAgent,
+			mcpClient,
 			undoBackupId,
 		} = backupUndoEvent;
 
@@ -440,7 +442,14 @@ class DashBackups extends Component {
 						</div>
 						<div className="dash-backup-undo__activity-log-user-meta-name">
 							{ actorName }
-							{ actorRole && ' - ' + actorRole }
+							{ isMcpAgent
+								? ' - ' +
+								  sprintf(
+										/* translators: %s: The name of the MCP client application. */
+										__( 'via %s (MCP)', 'jetpack' ),
+										mcpClient || __( 'MCP client', 'jetpack' )
+								  )
+								: actorRole && ' - ' + actorRole }
 						</div>
 					</div>
 				</div>
diff --git a/projects/plugins/jetpack/_inc/client/state/at-a-glance/reducer.js b/projects/plugins/jetpack/_inc/client/state/at-a-glance/reducer.js
index f2c77a19c857..ca66acd6079b 100644
--- a/projects/plugins/jetpack/_inc/client/state/at-a-glance/reducer.js
+++ b/projects/plugins/jetpack/_inc/client/state/at-a-glance/reducer.js
@@ -172,6 +172,8 @@ const backupUndoEvent = (
 				actorName: activity.actor?.name ?? '',
 				actorRole: activity.actor?.role ?? '',
 				actorType: activity.actor?.type ?? '',
+				isMcpAgent: activity.actor?.is_mcp_agent ?? false,
+				mcpClient: activity.actor?.mcp_client ?? activity.actor?.mcp_client_name ?? '',
 				activityDate: activity.published ?? '',
 				activityId: activity.activity_id,
 				activityName: activity.name,
diff --git a/projects/plugins/jetpack/changelog/mcp-activity-log b/projects/plugins/jetpack/changelog/mcp-activity-log
new file mode 100644
index 000000000000..4d8874f5fb76
--- /dev/null
+++ b/projects/plugins/jetpack/changelog/mcp-activity-log
@@ -0,0 +1,4 @@
+Significance: minor
+Type: enhancement
+
+Display MCP client actor on backup undo card and backup card attribution