diff --git a/app/(app)/projects/[id]/uptime/add-monitor-form.tsx b/app/(app)/projects/[id]/uptime/add-monitor-form.tsx
index 3afb1c5a..bbacce9c 100644
--- a/app/(app)/projects/[id]/uptime/add-monitor-form.tsx
+++ b/app/(app)/projects/[id]/uptime/add-monitor-form.tsx
@@ -13,7 +13,17 @@ const TYPE_HINT: Record<MonitorType, string> = {
   tcp: "host:port — up when the port accepts a connection.",
 };
 
-export function AddMonitorForm({ projectId }: { projectId: string }) {
+export function AddMonitorForm({
+  projectId,
+  defaultName = "",
+  defaultTarget = "",
+  defaultEmail = "",
+}: {
+  projectId: string;
+  defaultName?: string;
+  defaultTarget?: string;
+  defaultEmail?: string;
+}) {
   const router = useRouter();
   const [open, setOpen] = useState(false);
   const [type, setType] = useState<MonitorType>("http");
@@ -78,6 +88,7 @@ export function AddMonitorForm({ projectId }: { projectId: string }) {
           <input
             name="name"
             required
+            defaultValue={defaultName}
             placeholder="My site"
             className="rounded border border-[var(--color-border)] bg-[var(--color-bg)] px-2 py-1.5 text-sm"
           />
@@ -89,6 +100,7 @@ export function AddMonitorForm({ projectId }: { projectId: string }) {
         <input
           name="target"
           required
+          defaultValue={defaultTarget}
           placeholder={type === "tcp" ? "db.example.com:5432" : type === "ssl" ? "example.com" : "https://example.com"}
           className="rounded border border-[var(--color-border)] bg-[var(--color-bg)] px-2 py-1.5 text-sm font-mono"
         />
@@ -134,6 +146,7 @@ export function AddMonitorForm({ projectId }: { projectId: string }) {
           <input
             name="alertEmail"
             type="email"
+            defaultValue={defaultEmail}
             placeholder="you@example.com"
             className="rounded border border-[var(--color-border)] bg-[var(--color-bg)] px-2 py-1.5 text-sm"
           />
diff --git a/app/(app)/projects/[id]/uptime/page.tsx b/app/(app)/projects/[id]/uptime/page.tsx
index 2e293d53..38fce4c3 100644
--- a/app/(app)/projects/[id]/uptime/page.tsx
+++ b/app/(app)/projects/[id]/uptime/page.tsx
@@ -59,11 +59,22 @@ export default async function ProjectUptimePage({
 
   const { data: project } = await supabase
     .from("projects")
-    .select("id")
+    .select("id, url")
     .eq("id", id)
     .maybeSingle();
   if (!project) notFound();
 
+  // Prefill the add-monitor form with what we already know about the project.
+  const {
+    data: { user },
+  } = await supabase.auth.getUser();
+  let domain = project.url as string;
+  try {
+    domain = new URL(project.url).host;
+  } catch {
+    /* keep raw url as the label */
+  }
+
   const { data: monitorsData } = await supabase
     .from("monitors")
     .select(
@@ -92,7 +103,12 @@ export default async function ProjectUptimePage({
             down — and again when it recovers. HTTP, keyword, SSL-expiry, and TCP.
           </p>
         </div>
-        <AddMonitorForm projectId={id} />
+        <AddMonitorForm
+          projectId={id}
+          defaultName={domain}
+          defaultTarget={project.url}
+          defaultEmail={user?.email ?? ""}
+        />
       </div>
 
       {/* Monitors */}