diff --git a/src/tools/properties.ts b/src/tools/properties.ts
index 426a9c2..a072697 100644
--- a/src/tools/properties.ts
+++ b/src/tools/properties.ts
@@ -43,19 +43,48 @@ export async function registerPropertyDiscoveryTools(server: ObsidianMCPServer):
   server.registerTool(
     'obsidian_list_properties',
     'List all properties used in the vault. Shows property keys and optionally their types and usage counts.',
-    { type: 'object', properties: {} },
+    {
+      type: 'object',
+      properties: {
+        file: { type: 'string', description: 'Show properties for file' },
+        path: { type: 'string', description: 'Show properties for path' },
+        name: { type: 'string', description: 'Get specific property count' },
+        total: { type: 'boolean', description: 'Return property count' },
+        sort: { type: 'string', enum: ['count'], description: 'Sort by count (default: name)' },
+        counts: { type: 'boolean', description: 'Include occurrence counts' },
+        format: { type: 'string', enum: ['yaml', 'json', 'tsv'], description: 'Output format (default: yaml)' },
+        active: { type: 'boolean', description: 'Show properties for active file' },
+      },
+    },
     createToolHandler(
       'List all properties in vault',
-      { type: 'object', properties: {} },
+      {
+        type: 'object',
+        properties: {
+          file: { type: 'string', description: 'Show properties for file' },
+          path: { type: 'string', description: 'Show properties for path' },
+          name: { type: 'string', description: 'Get specific property count' },
+          total: { type: 'boolean', description: 'Return property count' },
+          sort: { type: 'string', enum: ['count'], description: 'Sort by count' },
+          counts: { type: 'boolean', description: 'Include occurrence counts' },
+          format: { type: 'string', enum: ['yaml', 'json', 'tsv'], description: 'Output format' },
+          active: { type: 'boolean', description: 'Show properties for active file' },
+        },
+      },
       async (args) => {
         const sanitized = sanitizeParameters(args as any) as any;
 
-        const cmdArgs: string[] = ['list-properties'];
-        if (sanitized.counts) cmdArgs.push('--counts');
-        if (sanitized.types) cmdArgs.push('--types');
-        if (sanitized.format) cmdArgs.push('--format', sanitized.format as string);
+        const cmdArgs: string[] = [];
+        if (sanitized.file) cmdArgs.push(formatParam('file', sanitized.file));
+        if (sanitized.path) cmdArgs.push(formatParam('path', sanitized.path));
+        if (sanitized.name) cmdArgs.push(formatParam('name', sanitized.name));
+        if (sanitized.total) cmdArgs.push('total');
+        if (sanitized.sort) cmdArgs.push(formatParam('sort', sanitized.sort));
+        if (sanitized.counts) cmdArgs.push('counts');
+        if (sanitized.format) cmdArgs.push(formatParam('format', sanitized.format));
+        if (sanitized.active) cmdArgs.push('active');
 
-        const result = await executeObsidianCommand('property', cmdArgs);
+        const result = await executeObsidianCommand('properties', cmdArgs);
         handleCLIResult(result, { operation: 'list_properties' });
 
         const format = sanitized.format || 'text';
@@ -77,31 +106,39 @@ export async function registerPropertyDiscoveryTools(server: ObsidianMCPServer):
   server.registerTool(
     'obsidian_get_property_count',
     'Get the usage count for a specific property across the vault. Shows how many notes use this property.',
-    { type: 'object', properties: {} },
+    {
+      type: 'object',
+      required: ['name'],
+      properties: {
+        name: { type: 'string', description: 'Property name to count (required)' },
+      },
+    },
     createToolHandler(
       'Get property usage count',
-      { type: 'object', properties: {} },
+      {
+        type: 'object',
+        required: ['name'],
+        properties: {
+          name: { type: 'string', description: 'Property name (required)' },
+        },
+      },
       async (args) => {
         const sanitized = sanitizeParameters(args as any) as any;
 
-        if (!sanitized.property) {
-          throw new Error('Property parameter is required');
+        if (!sanitized.name) {
+          throw new Error('Property name parameter is required');
         }
 
-        const cmdArgs: string[] = ['property-count', sanitized.property as string];
-        if (sanitized.format) cmdArgs.push('--format', sanitized.format as string);
+        const cmdArgs: string[] = [formatParam('name', sanitized.name), 'total'];
 
-        const result = await executeObsidianCommand('property', cmdArgs);
-        handleCLIResult(result, { operation: 'property_count', property: sanitized.property });
-
-        const format = sanitized.format || 'text';
-        const parsedData = parseOutput(result.stdout, format);
+        const result = await executeObsidianCommand('properties', cmdArgs);
+        handleCLIResult(result, { operation: 'property_count', property: sanitized.name });
 
         return {
           content: [
             {
               type: 'text',
-              text: formatForMCP(parsedData, format),
+              text: result.stdout.trim(),
             },
           ],
         };