diff --git a/understand-anything-plugin/packages/dashboard/src/components/DomainClusterNode.tsx b/understand-anything-plugin/packages/dashboard/src/components/DomainClusterNode.tsx
new file mode 100644
index 0000000..317cbfc
--- /dev/null
+++ b/understand-anything-plugin/packages/dashboard/src/components/DomainClusterNode.tsx
@@ -0,0 +1,66 @@
+import { memo } from "react";
+import { Handle, Position } from "@xyflow/react";
+import type { Node, NodeProps } from "@xyflow/react";
+import { useDashboardStore } from "../store";
+
+export interface DomainClusterData extends Record<string, unknown> {
+  label: string;
+  summary: string;
+  entities?: string[];
+  flowCount: number;
+  businessRules?: string[];
+  domainId: string;
+}
+
+export type DomainClusterFlowNode = Node<DomainClusterData, "domain-cluster">;
+
+function DomainClusterNode({ data }: NodeProps<DomainClusterFlowNode>) {
+  const navigateToDomain = useDashboardStore((s) => s.navigateToDomain);
+  const selectedNodeId = useDashboardStore((s) => s.selectedNodeId);
+  const selectNode = useDashboardStore((s) => s.selectNode);
+  const isSelected = selectedNodeId === data.domainId;
+
+  return (
+    <div
+      className={`rounded-xl border-2 px-5 py-4 min-w-[280px] max-w-[360px] cursor-pointer transition-all ${
+        isSelected
+          ? "border-accent bg-accent/10 shadow-lg shadow-accent/10"
+          : "border-accent/40 bg-surface hover:border-accent/70"
+      }`}
+      onClick={() => selectNode(data.domainId)}
+      onDoubleClick={() => navigateToDomain(data.domainId)}
+    >
+      <Handle type="target" position={Position.Left} className="!bg-accent/60 !w-2 !h-2" />
+      <Handle type="source" position={Position.Right} className="!bg-accent/60 !w-2 !h-2" />
+
+      <div className="font-serif text-sm text-accent font-semibold mb-1 truncate">
+        {data.label}
+      </div>
+      <div className="text-[11px] text-text-secondary line-clamp-2 mb-2">
+        {data.summary}
+      </div>
+
+      {data.entities && data.entities.length > 0 && (
+        <div className="mb-2">
+          <div className="text-[9px] uppercase tracking-wider text-text-muted mb-1">Entities</div>
+          <div className="flex flex-wrap gap-1">
+            {data.entities.slice(0, 5).map((e) => (
+              <span key={e} className="text-[10px] px-1.5 py-0.5 rounded bg-elevated text-text-secondary">
+                {e}
+              </span>
+            ))}
+            {data.entities.length > 5 && (
+              <span className="text-[10px] text-text-muted">+{data.entities.length - 5}</span>
+            )}
+          </div>
+        </div>
+      )}
+
+      <div className="text-[10px] text-text-muted">
+        {data.flowCount} flow{data.flowCount !== 1 ? "s" : ""}
+      </div>
+    </div>
+  );
+}
+
+export default memo(DomainClusterNode);