diff --git a/packages/core/package.json b/packages/core/package.json
index 15c88875..125e0912 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -176,7 +176,7 @@
   },
   "dependencies": {
     "@hono/swagger-ui": "^0.6.1",
-    "@modelcontextprotocol/sdk": "^1.30.0",
+    "@modelcontextprotocol/sdk": "^1.31.0",
     "@swc-node/register": "^1.12.1",
     "@swc/core": "^1.16.2",
     "@swc/helpers": "^0.5.23",
diff --git a/yarn.lock b/yarn.lock
index 4689e924..5224fede 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1533,9 +1533,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@modelcontextprotocol/sdk@npm:^1.30.0":
-  version: 1.30.0
-  resolution: "@modelcontextprotocol/sdk@npm:1.30.0"
+"@modelcontextprotocol/sdk@npm:^1.31.0":
+  version: 1.31.0
+  resolution: "@modelcontextprotocol/sdk@npm:1.31.0"
   dependencies:
     "@hono/node-server": "npm:^1.19.9 || ^2.0.5"
     ajv: "npm:^8.17.1"
@@ -1562,7 +1562,7 @@ __metadata:
       optional: true
     zod:
       optional: false
-  checksum: 10c0/6d12d5c88048b42b0d64906222f804eecbfc0aae02fc42a200d2438f037276cc7863510a8ce649e82c96d5972f62a58bfbdedf79624b0558a607738f5e58b97e
+  checksum: 10c0/2c4f011a765fb3346ec578455591d062008a842a0f6f8a763baa97b6a01e0f1febb97d1cc44024ee6d0761d43df56e9c71f72a37d47c7ea6aeb1c4f8be0f06d9
   languageName: node
   linkType: hard
 
@@ -7403,7 +7403,7 @@ __metadata:
     "@cloudflare/vitest-plugin": "npm:^1.1.13"
     "@cloudflare/workers-types": "npm:5.20260919.1"
     "@hono/swagger-ui": "npm:^0.6.1"
-    "@modelcontextprotocol/sdk": "npm:^1.30.0"
+    "@modelcontextprotocol/sdk": "npm:^1.31.0"
     "@react-email/render": "npm:^2.1.0"
     "@stratal/testing": "workspace:*"
     "@swc-node/register": "npm:^1.12.1"