diff --git a/package-lock.json b/package-lock.json
index 1f2971b..e952b34 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -38,7 +38,7 @@
         "typescript": "^5.3.2"
       },
       "engines": {
-        "node": ">=20.0.0"
+        "typescript": "^5.6.2"
       }
     },
     "node_modules/@babel/code-frame": {
@@ -119,24 +119,59 @@
       }
     },
     "node_modules/@modelcontextprotocol/sdk": {
-      "version": "1.10.1",
-      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.10.1.tgz",
-      "integrity": "sha512-xNYdFdkJqEfIaTVP1gPKoEvluACHZsHZegIoICX8DM1o6Qf3G5u2BQJHmgd0n4YgRPqqK/u1ujQvrgAxxSJT9w==",
+      "version": "1.24.0",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.24.0.tgz",
+      "integrity": "sha512-D8h5KXY2vHFW8zTuxn2vuZGN0HGrQ5No6LkHwlEA9trVgNdPL3TF1dSqKA7Dny6BbBYKSW/rOBDXdC8KJAjUCg==",
       "license": "MIT",
       "dependencies": {
+        "ajv": "^8.17.1",
+        "ajv-formats": "^3.0.1",
         "content-type": "^1.0.5",
         "cors": "^2.8.5",
-        "cross-spawn": "^7.0.3",
+        "cross-spawn": "^7.0.5",
         "eventsource": "^3.0.2",
+        "eventsource-parser": "^3.0.0",
         "express": "^5.0.1",
         "express-rate-limit": "^7.5.0",
+        "jose": "^6.1.1",
         "pkce-challenge": "^5.0.0",
         "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"
       },
       "engines": {
         "node": ">=18"
+      },
+      "peerDependencies": {
+        "@cfworker/json-schema": "^4.1.1",
+        "zod": "^3.25 || ^4.0"
+      },
+      "peerDependenciesMeta": {
+        "@cfworker/json-schema": {
+          "optional": true
+        },
+        "zod": {
+          "optional": false
+        }
+      }
+    },
+    "node_modules/@modelcontextprotocol/sdk/node_modules/zod": {
+      "version": "4.1.13",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.1.13.tgz",
+      "integrity": "sha512-AvvthqfqrAhNH9dnfmrfKzX5upOdjUVJYFqNSlkmGf64gRaTzlPwz99IHYnVs28qYAybvAlBV+H7pn0saFY4Ig==",
+      "license": "MIT",
+      "peer": true,
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
+    "node_modules/@modelcontextprotocol/sdk/node_modules/zod-to-json-schema": {
+      "version": "3.25.0",
+      "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.25.0.tgz",
+      "integrity": "sha512-HvWtU2UG41LALjajJrML6uQejQhNJx+JBO9IflpSja4R03iNWfKXrj6W2h7ljuLyc1nKS+9yDyL/9tD1U/yBnQ==",
+      "license": "ISC",
+      "peerDependencies": {
+        "zod": "^3.25 || ^4"
       }
     },
     "node_modules/@sinclair/typebox": {
@@ -280,6 +315,23 @@
         "url": "https://github.com/sponsors/epoberezkin"
       }
     },
+    "node_modules/ajv-formats": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/ajv-formats/-/ajv-formats-3.0.1.tgz",
+      "integrity": "sha512-8iUql50EUR+uUcdRQ3HDqa6EVyo3docL8g5WJ3FNcWmu62IbkGUue/pEyLBW8VGKKucTPgqeks4fIU1DA4yowQ==",
+      "license": "MIT",
+      "dependencies": {
+        "ajv": "^8.0.0"
+      },
+      "peerDependencies": {
+        "ajv": "^8.0.0"
+      },
+      "peerDependenciesMeta": {
+        "ajv": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/ansi-styles": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
@@ -792,6 +844,7 @@
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/express/-/express-5.0.1.tgz",
       "integrity": "sha512-ORF7g6qGnD+YtUG9yx4DFoqCShNMmUKiXuT5oWMHiOvt/4WFbHC6yCwQMTSBMno7AqntNCAzzcnnjowRkTL9eQ==",
+      "peer": true,
       "dependencies": {
         "accepts": "^2.0.0",
         "body-parser": "^2.0.1",
@@ -1034,6 +1087,7 @@
       "resolved": "https://registry.npmjs.org/graphql/-/graphql-16.10.0.tgz",
       "integrity": "sha512-AjqGKbDGUFRKIRCP9tCKiIGHyriz2oHEbPIbEtcSLSs4YjReZOIPQQWek4+6hjw62H9QShXHyaGivGiYVLeYFQ==",
       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": "^12.22.0 || ^14.16.0 || ^16.0.0 || >=17.0.0"
       }
@@ -1278,6 +1332,15 @@
         "node": "^14.15.0 || ^16.10.0 || >=18.0.0"
       }
     },
+    "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"
+      }
+    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
@@ -2233,14 +2296,6 @@
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }
-    },
-    "node_modules/zod-to-json-schema": {
-      "version": "3.24.4",
-      "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.24.4.tgz",
-      "integrity": "sha512-0uNlcvgabyrni9Ag8Vghj21drk7+7tp7VTwwR7KxxXXc/3pbXz2PHlDgj3cICahgF1kHm4dExBFj7BXrZJXzig==",
-      "peerDependencies": {
-        "zod": "^3.24.1"
-      }
     }
   }
 }