diff --git a/examples/pet-store-sse/package-lock.json b/examples/pet-store-sse/package-lock.json
index 7dcd70d..ae813e4 100644
--- a/examples/pet-store-sse/package-lock.json
+++ b/examples/pet-store-sse/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.26",
       "dependencies": {
         "@hono/node-server": "^1.14.1",
-        "@modelcontextprotocol/sdk": "^1.10.0",
+        "@modelcontextprotocol/sdk": "^1.17.4",
         "axios": "^1.9.0",
         "dotenv": "^16.4.5",
         "hono": "^4.7.7",
@@ -39,15 +39,16 @@
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-      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.10.2.tgz",
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-      "license": "MIT",
+      "version": "1.17.4",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.17.4.tgz",
+      "integrity": "sha512-zq24hfuAmmlNZvik0FLI58uE5sriN0WWsQzIlYnzSuKDAHFqJtBFrl/LfB1NLgJT5Y7dEBzaX4yAKqOPrcetaw==",
       "dependencies": {
+        "ajv": "^6.12.6",
         "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",
         "pkce-challenge": "^5.0.0",
@@ -89,6 +90,21 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/ajv": {
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
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+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
     "node_modules/asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -456,6 +472,16 @@
         "express": "^4.11 || 5 || ^5.0.0-beta.1"
       }
     },
+    "node_modules/fast-deep-equal": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q=="
+    },
+    "node_modules/fast-json-stable-stringify": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
+      "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw=="
+    },
     "node_modules/finalhandler": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/finalhandler/-/finalhandler-2.1.0.tgz",
@@ -717,6 +743,11 @@
         "json-schema-to-zod": "dist/cjs/cli.js"
       }
     },
+    "node_modules/json-schema-traverse": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg=="
+    },
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       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
@@ -880,6 +911,14 @@
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       "license": "MIT"
     },
+    "node_modules/punycode": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
+      "integrity": "sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.0.tgz",
@@ -1159,6 +1198,14 @@
         "node": ">= 0.8"
       }
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+    "node_modules/uri-js": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
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+      "dependencies": {
+        "punycode": "^2.1.0"
+      }
+    },
     "node_modules/uuid": {
       "version": "11.1.0",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-11.1.0.tgz",
diff --git a/examples/pet-store-sse/package.json b/examples/pet-store-sse/package.json
index d94f636..de9c201 100644
--- a/examples/pet-store-sse/package.json
+++ b/examples/pet-store-sse/package.json
@@ -20,7 +20,7 @@
     "node": ">=20.0.0"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.10.0",
+    "@modelcontextprotocol/sdk": "^1.17.4",
     "axios": "^1.9.0",
     "dotenv": "^16.4.5",
     "zod": "^3.24.3",
diff --git a/examples/pet-store-streamable-http/package-lock.json b/examples/pet-store-streamable-http/package-lock.json
index 14a6448..fd08f14 100644
--- a/examples/pet-store-streamable-http/package-lock.json
+++ b/examples/pet-store-streamable-http/package-lock.json
@@ -9,7 +9,7 @@
       "version": "1.0.26",
       "dependencies": {
         "@hono/node-server": "^1.14.1",
-        "@modelcontextprotocol/sdk": "^1.10.0",
+        "@modelcontextprotocol/sdk": "^1.17.4",
         "axios": "^1.9.0",
         "dotenv": "^16.4.5",
         "fetch-to-node": "^2.1.0",
@@ -40,15 +40,16 @@
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     "node_modules/@modelcontextprotocol/sdk": {
-      "version": "1.10.2",
-      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.10.2.tgz",
-      "integrity": "sha512-rb6AMp2DR4SN+kc6L1ta2NCpApyA9WYNx3CrTSZvGxq9wH71bRur+zRqPfg0vQ9mjywR7qZdX2RGHOPq3ss+tA==",
-      "license": "MIT",
+      "version": "1.17.4",
+      "resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.17.4.tgz",
+      "integrity": "sha512-zq24hfuAmmlNZvik0FLI58uE5sriN0WWsQzIlYnzSuKDAHFqJtBFrl/LfB1NLgJT5Y7dEBzaX4yAKqOPrcetaw==",
       "dependencies": {
+        "ajv": "^6.12.6",
         "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",
         "pkce-challenge": "^5.0.0",
@@ -90,6 +91,21 @@
         "node": ">= 0.6"
       }
     },
+    "node_modules/ajv": {
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
     "node_modules/asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -457,6 +473,16 @@
         "express": "^4.11 || 5 || ^5.0.0-beta.1"
       }
     },
+    "node_modules/fast-deep-equal": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+      "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q=="
+    },
+    "node_modules/fast-json-stable-stringify": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
+      "integrity": "sha512-lhd/wF+Lk98HZoTCtlVraHtfh5XYijIjalXck7saUtuanSDyLMxnHhSXEDJqHxD7msR8D0uCmqlkwjCV8xvwHw=="
+    },
     "node_modules/fetch-to-node": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/fetch-to-node/-/fetch-to-node-2.1.0.tgz",
@@ -724,6 +750,11 @@
         "json-schema-to-zod": "dist/cjs/cli.js"
       }
     },
+    "node_modules/json-schema-traverse": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg=="
+    },
     "node_modules/math-intrinsics": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
@@ -887,6 +918,14 @@
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       "license": "MIT"
     },
+    "node_modules/punycode": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
+      "integrity": "sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==",
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/qs": {
       "version": "6.14.0",
       "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.0.tgz",
@@ -1166,6 +1205,14 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/uri-js": {
+      "version": "4.4.1",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
+      "integrity": "sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==",
+      "dependencies": {
+        "punycode": "^2.1.0"
+      }
+    },
     "node_modules/uuid": {
       "version": "11.1.0",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-11.1.0.tgz",
diff --git a/examples/pet-store-streamable-http/package.json b/examples/pet-store-streamable-http/package.json
index efa8fa6..da110bf 100644
--- a/examples/pet-store-streamable-http/package.json
+++ b/examples/pet-store-streamable-http/package.json
@@ -22,7 +22,7 @@
     "node": ">=20.0.0"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.10.0",
+    "@modelcontextprotocol/sdk": "^1.17.4",
     "axios": "^1.9.0",
     "dotenv": "^16.4.5",
     "zod": "^3.24.3",
diff --git a/examples/petstore-mcp/package.json b/examples/petstore-mcp/package.json
index cbb49da..9c9edbf 100644
--- a/examples/petstore-mcp/package.json
+++ b/examples/petstore-mcp/package.json
@@ -19,7 +19,7 @@
     "node": ">=18.0.0"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.9.0",
+    "@modelcontextprotocol/sdk": "^1.17.4",
     "axios": "^1.8.4",
     "json-schema-to-zod": "^2.6.1",
     "zod": "^3.24.2"