diff --git a/mcp-wrapper/package-lock.json b/mcp-wrapper/package-lock.json
index e8ced1c..e2de61e 100644
--- a/mcp-wrapper/package-lock.json
+++ b/mcp-wrapper/package-lock.json
@@ -8,7 +8,8 @@
       "name": "iai-mcp-wrapper",
       "version": "0.1.0",
       "dependencies": {
-        "@modelcontextprotocol/sdk": "^1.0.0"
+        "@modelcontextprotocol/sdk": "^1.0.0",
+        "zod": "^4.0.0"
       },
       "bin": {
         "iai-mcp-wrapper": "dist/index.js"
diff --git a/mcp-wrapper/package.json b/mcp-wrapper/package.json
index 2a292b1..38b1ebe 100644
--- a/mcp-wrapper/package.json
+++ b/mcp-wrapper/package.json
@@ -15,7 +15,8 @@
     "test": "node --import tsx --test test/*.test.ts"
   },
   "dependencies": {
-    "@modelcontextprotocol/sdk": "^1.0.0"
+    "@modelcontextprotocol/sdk": "^1.0.0",
+    "zod": "^4.0.0"
   },
   "devDependencies": {
     "@types/node": "^22.0.0",
diff --git a/pyproject.toml b/pyproject.toml
index d568aed..d391046 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,6 +8,9 @@ dependencies = [
   "pyarrow>=16.0.0",
   "sentence-transformers>=3.0.0",
   "numpy>=2.4.6,<3.0.0",
+  "pydantic>=2.7.0",
+  "torch-hd>=5.7.0",    # imports as `torchhd`; PyPI name has a dash
+  "structlog>=24.0.0",
   "networkx>=3.3",
   "python-igraph>=0.11",
   "leidenalg>=0.10",