diff --git a/package-lock.json b/package-lock.json
index e502ec2..6f939de 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,12 +9,13 @@
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       "license": "Apache-2.0",
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+        "@modelcontextprotocol/sdk": "1.25.2",
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         "express": "5.1.0",
         "lodash": "4.17.21",
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+      "resolved": "https://registry.npmjs.org/@hono/node-server/-/node-server-1.19.7.tgz",
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@@ -723,12 +709,14 @@
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+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.25.2.tgz",
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@@ -736,24 +724,51 @@
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         "express-rate-limit": "^7.5.0",
+        "jose": "^6.1.1",
+        "json-schema-typed": "^8.0.2",
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         "raw-body": "^3.0.0",
-        "zod": "^3.23.8",
-        "zod-to-json-schema": "^3.24.1"
+        "zod": "^3.25 || ^4.0",
+        "zod-to-json-schema": "^3.25.0"
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+      },
+      "peerDependencies": {
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+        "zod": "^3.25 || ^4.0"
+      },
+      "peerDependenciesMeta": {
+        "@cfworker/json-schema": {
+          "optional": true
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+        "zod": {
+          "optional": false
+        }
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-      "license": "ISC",
-      "peerDependencies": {
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+    "node_modules/@modelcontextprotocol/sdk/node_modules/ajv": {
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+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.17.1.tgz",
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+      "license": "MIT",
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+        "fast-uri": "^3.0.1",
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+        "url": "https://github.com/sponsors/epoberezkin"
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+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz",
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@@ -1298,6 +1314,45 @@
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+    "node_modules/ajv-formats": {
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+      "resolved": "https://registry.npmjs.org/ajv-formats/-/ajv-formats-3.0.1.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "ajv": "^8.0.0"
+      },
+      "peerDependencies": {
+        "ajv": "^8.0.0"
+      },
+      "peerDependenciesMeta": {
+        "ajv": {
+          "optional": true
+        }
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+    },
+    "node_modules/ajv-formats/node_modules/ajv": {
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+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.17.1.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "fast-deep-equal": "^3.1.3",
+        "fast-uri": "^3.0.1",
+        "json-schema-traverse": "^1.0.0",
+        "require-from-string": "^2.0.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
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+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz",
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+      "dev": true,
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@@ -2262,6 +2317,22 @@
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+      "resolved": "https://registry.npmjs.org/fast-uri/-/fast-uri-3.1.0.tgz",
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+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/fastify"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/fastify"
+        }
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+      "license": "BSD-3-Clause"
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@@ -2596,6 +2665,16 @@
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+      "resolved": "https://registry.npmjs.org/hono/-/hono-4.11.3.tgz",
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+      "license": "MIT",
+      "peer": true,
+      "engines": {
+        "node": ">=16.9.0"
+      }
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       "license": "ISC"
     },
+    "node_modules/jose": {
+      "version": "6.1.3",
+      "resolved": "https://registry.npmjs.org/jose/-/jose-6.1.3.tgz",
+      "integrity": "sha512-0TpaTfihd4QMNwrz/ob2Bp7X04yuxJkjRGi4aKmOqwhov54i6u79oCv7T+C7lo70MKH6BesI3vscD1yb/yzKXQ==",
+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/panva"
+      }
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+      "dev": true,
       "license": "MIT"
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+    "node_modules/json-schema-typed": {
+      "version": "8.0.2",
+      "resolved": "https://registry.npmjs.org/json-schema-typed/-/json-schema-typed-8.0.2.tgz",
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+      "license": "BSD-2-Clause"
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+      "dev": true,
       "license": "MIT",
       "engines": {
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@@ -3355,6 +3451,15 @@
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+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-2.0.2.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
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       "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
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@@ -3758,7 +3862,6 @@
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+      "dev": true,
       "license": "BSD-2-Clause",
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@@ -3925,6 +4029,15 @@
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }
+    },
+    "node_modules/zod-to-json-schema": {
+      "version": "3.25.1",
+      "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.25.1.tgz",
+      "integrity": "sha512-pM/SU9d3YAggzi6MtR4h7ruuQlqKtad8e9S0fmxcMi+ueAK5Korys/aWcV9LIIHTVbj01NdzxcnXSN+O74ZIVA==",
+      "license": "ISC",
+      "peerDependencies": {
+        "zod": "^3.25 || ^4"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 5f116fb..7b6a695 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
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   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "1.17.2",
+    "@modelcontextprotocol/sdk": "1.25.2",
     "axios": "^1.11.0",
     "dotenv": "17.2.1",
     "express": "5.1.0",