diff --git a/apps/my-pi-mcp/package.json b/apps/my-pi-mcp/package.json
index abf1204..f4c34f7 100644
--- a/apps/my-pi-mcp/package.json
+++ b/apps/my-pi-mcp/package.json
@@ -47,7 +47,7 @@
   ],
   "dependencies": {
     "@modelcontextprotocol/core": "2.1.0",
-    "@modelcontextprotocol/server": "2.0.0",
+    "@modelcontextprotocol/server": "2.4.0",
     "tree-sitter-wasms": "0.1.13",
     "web-tree-sitter": "0.22.6",
     "zod": "4.6.5"
diff --git a/package.json b/package.json
index 7bc2b1d..1f28d40 100644
--- a/package.json
+++ b/package.json
@@ -70,7 +70,7 @@
   },
   "devDependencies": {
     "@modelcontextprotocol/client": "2.0.0",
-    "@modelcontextprotocol/server": "2.0.0",
+    "@modelcontextprotocol/server": "2.4.0",
     "@my-pi/host-profiles": "workspace:*",
     "@types/node": "^24.10.1",
     "@types/three": "^0.186.0",
diff --git a/packages/mcp-adapter/package.json b/packages/mcp-adapter/package.json
index 1374fbe..1cddbaf 100644
--- a/packages/mcp-adapter/package.json
+++ b/packages/mcp-adapter/package.json
@@ -26,7 +26,7 @@
     "@my-pi/workspace-runtime": "workspace:*",
     "@modelcontextprotocol/core": "2.1.0",
     "@modelcontextprotocol/ext-apps": "2.0.3",
-    "@modelcontextprotocol/server": "2.0.0",
+    "@modelcontextprotocol/server": "2.4.0",
     "zod": "^4.6.5"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 843427b..7484568 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -12,8 +12,8 @@ importers:
         specifier: 2.0.0
         version: 2.0.0
       '@modelcontextprotocol/server':
-        specifier: 2.0.0
-        version: 2.0.0
+        specifier: 2.4.0
+        version: 2.4.0
       '@my-pi/host-profiles':
         specifier: workspace:*
         version: link:packages/host-profiles
@@ -87,8 +87,8 @@ importers:
         specifier: 2.1.0
         version: 2.1.0
       '@modelcontextprotocol/server':
-        specifier: 2.0.0
-        version: 2.0.0
+        specifier: 2.4.0
+        version: 2.4.0
       tree-sitter-wasms:
         specifier: 0.1.13
         version: 0.1.13
@@ -307,10 +307,10 @@ importers:
         version: 2.1.0
       '@modelcontextprotocol/ext-apps':
         specifier: 2.0.3
-        version: 2.0.3(@modelcontextprotocol/client@2.0.0)(@modelcontextprotocol/core@2.1.0)(@modelcontextprotocol/server@2.0.0)(zod@4.6.5)
+        version: 2.0.3(@modelcontextprotocol/client@2.0.0)(@modelcontextprotocol/core@2.1.0)(@modelcontextprotocol/server@2.4.0)(zod@4.6.5)
       '@modelcontextprotocol/server':
-        specifier: 2.0.0
-        version: 2.0.0
+        specifier: 2.4.0
+        version: 2.4.0
       '@my-pi/artifact-store':
         specifier: workspace:*
         version: link:../artifact-store
@@ -608,6 +608,10 @@ packages:
     resolution: {integrity: sha512-YdFj5gMRHr0gYNAhTbQDgjLHiEJdIAUYxomhKseUNye7ZGlISQmUoLh2sveFFCiQ7j2YMffT1kgSND0FSfIFjQ==}
     engines: {node: '>=20'}
 
+  '@modelcontextprotocol/core@2.4.0':
+    resolution: {integrity: sha512-z8QBKqdfXLPzkLQuG4xp8hrVEMm1PZ1IgxMN2sMbJiFiAKOWXnAzogXn2W4aqIBlP1ea6U5yiqVquvUNM1Cj6Q==}
+    engines: {node: '>=20'}
+
   '@modelcontextprotocol/ext-apps@2.0.3':
     resolution: {integrity: sha512-Tn+4+cyhO4f4cQSDxNyLiIfEE+qlTTuIbWBJB8JTinEXOhDYgCT4wDTQplxD9MBYZH5pCYGC59GaxiwIT4bu8w==}
     engines: {node: '>=20'}
@@ -626,8 +630,8 @@ packages:
       react-dom:
         optional: true
 
-  '@modelcontextprotocol/server@2.0.0':
-    resolution: {integrity: sha512-YhHWdHfpFMQfd0prsEnxKeS3Qz3ytIGmsS0sth4KDjnacIT7hxk6hXHkJ9KysxlkvTM+WZAtQbbcUhdoP4Hvtw==}
+  '@modelcontextprotocol/server@2.4.0':
+    resolution: {integrity: sha512-rgR9yxSaAJ+bcsi/XroT/S2AfPiIWloXAnrdfYSCms9ivVju0ishu/wW0J21Ho6+ZOR1r7RyeRbjiRuF87ix5Q==}
     engines: {node: '>=20'}
 
   '@standard-schema/spec@1.1.0':
@@ -855,19 +859,23 @@ snapshots:
     dependencies:
       zod: 4.6.5
 
-  '@modelcontextprotocol/ext-apps@2.0.3(@modelcontextprotocol/client@2.0.0)(@modelcontextprotocol/core@2.1.0)(@modelcontextprotocol/server@2.0.0)(zod@4.6.5)':
+  '@modelcontextprotocol/core@2.4.0':
+    dependencies:
+      zod: 4.6.5
+
+  '@modelcontextprotocol/ext-apps@2.0.3(@modelcontextprotocol/client@2.0.0)(@modelcontextprotocol/core@2.1.0)(@modelcontextprotocol/server@2.4.0)(zod@4.6.5)':
     dependencies:
       '@modelcontextprotocol/client': 2.0.0
       '@modelcontextprotocol/core': 2.1.0
       '@standard-schema/spec': 1.1.0
       zod: 4.6.5
     optionalDependencies:
-      '@modelcontextprotocol/server': 2.0.0
+      '@modelcontextprotocol/server': 2.4.0
 
-  '@modelcontextprotocol/server@2.0.0':
+  '@modelcontextprotocol/server@2.4.0':
     dependencies:
-      '@modelcontextprotocol/core': 2.0.0
-      zod: 4.5.4
+      '@modelcontextprotocol/core': 2.4.0
+      zod: 4.6.5
 
   '@standard-schema/spec@1.1.0': {}