diff --git a/package-lock.json b/package-lock.json
index 7b4f868..71b3ec9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -31,6 +31,9 @@
         "typescript": "^5.5.4",
         "typescript-eslint": "^8.0.0",
         "ws": "^8.18.0"
+      },
+      "engines": {
+        "node": ">=18"
       }
     },
     "node_modules/@ampproject/remapping": {
diff --git a/package.json b/package.json
index 790b5e1..1a111e4 100644
--- a/package.json
+++ b/package.json
@@ -7,8 +7,17 @@
   "homepage": "https://modelcontextprotocol.io",
   "bugs": "https://github.com/modelcontextprotocol/typescript-sdk/issues",
   "type": "module",
-  "main": "./dist/index.js",
-  "types": "./dist/index.d.ts",
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/modelcontextprotocol/typescript-sdk.git"
+  },
+  "engines": {
+    "node": ">=18"
+  },
+  "keywords": [
+    "modelcontextprotocol",
+    "mcp"
+  ],
   "exports": {
     "./*": "./dist/*"
   },
@@ -23,8 +32,8 @@
     "dist"
   ],
   "scripts": {
-    "build": "tsc",
-    "prepack": "tsc",
+    "build": "tsc -p tsconfig.prod.json",
+    "prepack": "tsc -p tsconfig.prod.json",
     "lint": "eslint src/",
     "test": "jest",
     "start": "npm run server",
diff --git a/tsconfig.prod.json b/tsconfig.prod.json
new file mode 100644
index 0000000..e7fd55c
--- /dev/null
+++ b/tsconfig.prod.json
@@ -0,0 +1,6 @@
+{
+  "extends": "./tsconfig.json",
+  "exclude": [
+    "**/*.test.ts",
+  ]
+}