fix(mcp): explicitly include zod and zod-to-json-schema in package.json

Author: stainless-app[bot]

packages/mcp-server/package.json

@@ -30,7 +30,9 @@
     "isaacus": "file:../../dist/",
     "@modelcontextprotocol/sdk": "^1.6.1",
     "yargs": "^17.7.2",
-    "@cloudflare/cabidela": "^0.2.4"
+    "@cloudflare/cabidela": "^0.2.4",
+    "zod": "^3.24.4",
+    "zod-to-json-schema": "^3.24.5"
   },
   "bin": {
     "mcp-server": "dist/index.js"