diff --git a/src/filesystem/package.json b/src/filesystem/package.json
index c943ce24d3..d6f162a32f 100644
--- a/src/filesystem/package.json
+++ b/src/filesystem/package.json
@@ -28,7 +28,8 @@
     "@modelcontextprotocol/sdk": "^1.29.0",
     "diff": "^8.0.3",
     "glob": "^10.5.0",
-    "minimatch": "^10.0.1"
+    "minimatch": "^10.0.1",
+    "zod": "^3.25 || ^4.0"
   },
   "devDependencies": {
     "@types/diff": "^5.0.9",
@@ -39,4 +40,4 @@
     "typescript": "^5.8.2",
     "vitest": "^4.1.8"
   }
-}
+}
\ No newline at end of file
diff --git a/src/memory/package.json b/src/memory/package.json
index e32d25a3e2..305382b4eb 100644
--- a/src/memory/package.json
+++ b/src/memory/package.json
@@ -25,7 +25,8 @@
     "test": "vitest run --coverage"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.29.0"
+    "@modelcontextprotocol/sdk": "^1.29.0",
+    "zod": "^3.25 || ^4.0"
   },
   "devDependencies": {
     "@types/node": "^22",
diff --git a/src/sequentialthinking/package.json b/src/sequentialthinking/package.json
index a88de803b5..cb52a1ba49 100644
--- a/src/sequentialthinking/package.json
+++ b/src/sequentialthinking/package.json
@@ -27,7 +27,8 @@
   "dependencies": {
     "@modelcontextprotocol/sdk": "^1.29.0",
     "chalk": "^5.3.0",
-    "yargs": "^17.7.2"
+    "yargs": "^17.7.2",
+    "zod": "^3.25 || ^4.0"
   },
   "devDependencies": {
     "@types/node": "^22",