diff --git a/tools/ui/src/lib/components/app/dialogs/DialogMcpResourcesBrowser.svelte b/tools/ui/src/lib/components/app/dialogs/DialogMcpResourcesBrowser.svelte
index 8804cb7ea7..6dfcdb856c 100644
--- a/tools/ui/src/lib/components/app/dialogs/DialogMcpResourcesBrowser.svelte
+++ b/tools/ui/src/lib/components/app/dialogs/DialogMcpResourcesBrowser.svelte
@@ -253,7 +253,7 @@
 </script>
 
 <Dialog.Root onOpenChange={handleOpenChange} {open}>
-	<Dialog.Content class="max-h-[80vh] !max-w-4xl overflow-hidden p-0">
+	<Dialog.Content class="max-h-[80vh] md:max-w-4xl! w-full! overflow-hidden p-0">
 		<Dialog.Header class="border-b border-border/30 px-6 py-4">
 			<Dialog.Title class="flex items-center gap-2">
 				<FolderOpen class="h-5 w-5" />
diff --git a/tools/ui/src/lib/components/app/dialogs/DialogMcpServerAddNew.svelte b/tools/ui/src/lib/components/app/dialogs/DialogMcpServerAddNew.svelte
index ae8b24cb2d..fab45aa970 100644
--- a/tools/ui/src/lib/components/app/dialogs/DialogMcpServerAddNew.svelte
+++ b/tools/ui/src/lib/components/app/dialogs/DialogMcpServerAddNew.svelte
@@ -246,7 +246,7 @@
 </script>
 
 <Dialog.Root onOpenChange={handleOpenChange} {open}>
-	<Dialog.Content class="sm:max-w-2xl">
+	<Dialog.Content class="max-w-2xl!">
 		<Dialog.Header>
 			<Dialog.Title class="select-none">Add New MCP Server</Dialog.Title>
 		</Dialog.Header>
diff --git a/tools/ui/src/lib/components/app/dialogs/DialogMcpServers.svelte b/tools/ui/src/lib/components/app/dialogs/DialogMcpServers.svelte
index 685eab1df5..8729ed972b 100644
--- a/tools/ui/src/lib/components/app/dialogs/DialogMcpServers.svelte
+++ b/tools/ui/src/lib/components/app/dialogs/DialogMcpServers.svelte
@@ -17,7 +17,7 @@
 </script>
 
 <Dialog.Root {open} onOpenChange={handleOpenChange}>
-	<Dialog.Content class="h-[calc(100vh-4rem)]! max-h-240! w-[calc(100vw-4rem)]! max-w-360! flex flex-col">
+	<Dialog.Content class="md:h-[calc(100vh-4rem)]! md:max-h-240! md:w-[calc(100vw-4rem)]! md:max-w-360! flex flex-col">
 		<Dialog.Header >
 			<Dialog.Title class="flex items-center gap-2">
 				<McpLogo class="h-5 w-5" />