diff --git a/mcp-server/N8N-EXAMPLES.md b/mcp-server/N8N-EXAMPLES.md
index 4cb78f9..4d29a88 100644
--- a/mcp-server/N8N-EXAMPLES.md
+++ b/mcp-server/N8N-EXAMPLES.md
@@ -409,6 +409,29 @@ All examples assume an MCP Client node configured with Streamable HTTP and `x-ap
 }
 ```
 
+### Create a sub-notebook (hierarchical)
+
+```json
+{
+  "tool": "create_notebook",
+  "arguments": {
+    "name": "Project Alpha",
+    "icon": "🚀",
+    "color": "#10B981",
+    "parentId": "{{ $json.parentNotebookId }}"
+  }
+}
+```
+
+### Get notebook hierarchy (tree view)
+
+```json
+{
+  "tool": "get_notebook_hierarchy",
+  "arguments": {}
+}
+```
+
 ### Delete a notebook (notes go to Inbox)
 
 ```json
@@ -422,6 +445,33 @@ All examples assume an MCP Client node configured with Streamable HTTP and `x-ap
 
 ---
 
+## Batch Operations
+
+### Batch move notes to a notebook
+
+```json
+{
+  "tool": "batch_move_notes",
+  "arguments": {
+    "ids": ["{{ $json.noteId1 }}", "{{ $json.noteId2 }}", "{{ $json.noteId3 }}"],
+    "notebookId": "{{ $json.targetNotebookId }}"
+  }
+}
+```
+
+### Batch delete notes
+
+```json
+{
+  "tool": "batch_delete_notes",
+  "arguments": {
+    "ids": ["{{ $json.noteId1 }}", "{{ $json.noteId2 }}"]
+  }
+}
+```
+
+---
+
 ## Labels
 
 ### Create a label inside a notebook
diff --git a/mcp-server/README.md b/mcp-server/README.md
index 229e323..1e9b38b 100644
--- a/mcp-server/README.md
+++ b/mcp-server/README.md
@@ -48,7 +48,7 @@ Generate API keys from the Memento web UI: **Settings > MCP**.
 curl -H "x-api-key: mcp_sk_xxx" http://localhost:3001/
 ```
 
-## Available Tools (22)
+## Available Tools (25)
 
 ### Notes (11)
 
@@ -65,6 +65,8 @@ curl -H "x-api-key: mcp_sk_xxx" http://localhost:3001/
 | `toggle_archive` | Archive/unarchive a note |
 | `export_notes` | Export notes as JSON |
 | `import_notes` | Import notes from JSON |
+| `batch_move_notes` | Move multiple notes at once |
+| `batch_delete_notes` | Delete multiple notes at once |
 
 ### Notebooks (6)
 
@@ -76,6 +78,7 @@ curl -H "x-api-key: mcp_sk_xxx" http://localhost:3001/
 | `update_notebook` | Update a notebook |
 | `delete_notebook` | Delete a notebook |
 | `reorder_notebooks` | Reorder notebooks |
+| `get_notebook_hierarchy` | Get tree structure of notebooks |
 
 ### Labels (4)
 
diff --git a/mcp-server/n8n-workflow-notebook-management.json b/mcp-server/n8n-workflow-notebook-management.json
index a0ce815..6ebde7e 100644
--- a/mcp-server/n8n-workflow-notebook-management.json
+++ b/mcp-server/n8n-workflow-notebook-management.json
@@ -96,6 +96,10 @@
             {
               "name": "color",
               "value": "={{ $json.color || '#3B82F6' }}"
+            },
+            {
+              "name": "parentId",
+              "value": "={{ $json.parentId }}"
             }
           ]
         }
@@ -155,6 +159,10 @@
             {
               "name": "color",
               "value": "={{ $json.color }}"
+            },
+            {
+              "name": "parentId",
+              "value": "={{ $json.parentId }}"
             }
           ]
         }
diff --git a/mcp-server/tools.js b/mcp-server/tools.js
index 6ec20b0..fb05f45 100644
--- a/mcp-server/tools.js
+++ b/mcp-server/tools.js
@@ -204,6 +204,29 @@ const toolDefinitions = [
       required: ['id'],
     },
   },
+  {
+    name: 'batch_move_notes',
+    description: 'Move multiple notes to a notebook simultaneously.',
+    inputSchema: {
+      type: 'object',
+      properties: {
+        ids: { type: 'array', items: { type: 'string' }, description: 'Array of Note IDs' },
+        notebookId: { type: 'string', description: 'Target notebook ID, or null for Inbox' },
+      },
+      required: ['ids'],
+    },
+  },
+  {
+    name: 'batch_delete_notes',
+    description: 'Permanently delete multiple notes.',
+    inputSchema: {
+      type: 'object',
+      properties: {
+        ids: { type: 'array', items: { type: 'string' }, description: 'Array of Note IDs' },
+      },
+      required: ['ids'],
+    },
+  },
   {
     name: 'toggle_pin',
     description: 'Toggle the pin status of a note.',
@@ -264,6 +287,7 @@ const toolDefinitions = [
         icon: { type: 'string', description: 'Icon (emoji)', default: '📁' },
         color: { type: 'string', description: 'Hex color', default: '#3B82F6' },
         order: { type: 'number', description: 'Sort position (auto if omitted)' },
+        parentId: { type: 'string', description: 'Parent notebook ID for sub-notebooks' },
       },
       required: ['name'],
     },
@@ -293,6 +317,7 @@ const toolDefinitions = [
         icon: { type: 'string' },
         color: { type: 'string' },
         order: { type: 'number' },
+        parentId: { type: 'string', description: 'Parent notebook ID (set to null to move to root)' },
       },
       required: ['id'],
     },
@@ -321,6 +346,11 @@ const toolDefinitions = [
       required: ['notebookIds'],
     },
   },
+  {
+    name: 'get_notebook_hierarchy',
+    description: 'Get a nested tree structure of all notebooks (parents and children).',
+    inputSchema: { type: 'object', properties: {} },
+  },
 
   // ═══ LABELS ═══
   {
@@ -546,6 +576,26 @@ export function registerTools(server, prisma) {
           });
         }
 
+        case 'batch_move_notes': {
+          const targetId = args.notebookId || null;
+          const ids = args.ids || [];
+
+          await prisma.note.updateMany({
+            where: { id: { in: ids }, ...(uid ? { userId: uid } : {}), trashedAt: null },
+            data: { notebookId: targetId, updatedAt: new Date() },
+          });
+
+          return textResult({ success: true, count: ids.length, notebookId: targetId });
+        }
+
+        case 'batch_delete_notes': {
+          const ids = args.ids || [];
+          await prisma.note.deleteMany({
+            where: { id: { in: ids }, ...(uid ? { userId: uid } : {}), trashedAt: null },
+          });
+          return textResult({ success: true, count: ids.length });
+        }
+
         case 'toggle_pin': {
           const note = await prisma.note.findUnique({
             where: { id: args.id, ...(uid ? { userId: uid } : {}), trashedAt: null },
@@ -711,6 +761,7 @@ export function registerTools(server, prisma) {
               icon: args.icon || '📁',
               color: args.color || '#3B82F6',
               order: nextOrder,
+              parentId: args.parentId || null,
               userId: uid || await ensureUserId(),
             },
             include: { labels: true, _count: { select: { notes: true } } },
@@ -754,6 +805,7 @@ export function registerTools(server, prisma) {
           if ('icon' in args) d.icon = args.icon;
           if ('color' in args) d.color = args.color;
           if ('order' in args) d.order = args.order;
+          if ('parentId' in args) d.parentId = args.parentId;
 
           const where = { id: args.id, ...(uid ? { userId: uid } : {}) };
           const notebook = await prisma.notebook.update({
@@ -799,6 +851,32 @@ export function registerTools(server, prisma) {
           return textResult({ success: true });
         }
 
+        case 'get_notebook_hierarchy': {
+          const where = uid ? { userId: uid } : {};
+          const notebooks = await prisma.notebook.findMany({
+            where,
+            include: {
+              _count: { select: { notes: true } },
+            },
+            orderBy: { order: 'asc' },
+          });
+
+          // Build tree
+          const nbMap = new Map();
+          notebooks.forEach(nb => nbMap.set(nb.id, { ...nb, notesCount: nb._count.notes, children: [] }));
+          
+          const root = [];
+          nbMap.forEach(nb => {
+            if (nb.parentId && nbMap.has(nb.parentId)) {
+              nbMap.get(nb.parentId).children.push(nb);
+            } else {
+              root.push(nb);
+            }
+          });
+
+          return textResult(root);
+        }
+
         // ═══ LABELS ═══
         case 'create_label': {
           const existing = await prisma.label.findFirst({