diff --git a/package.json b/package.json
index 904cc9d..40c2591 100644
--- a/package.json
+++ b/package.json
@@ -79,6 +79,7 @@
   },
   "scripts": {
     "build": "tsc -p tsconfig.json && tsc -p tsconfig.client.json && tsdown",
+    "prepare": "npm run build",
     "typecheck": "tsc -p tsconfig.json --noEmit && tsc -p tsconfig.client.json --noEmit",
     "sync:skill": "node scripts/sync-skill.mjs",
     "verify:skill": "node scripts/sync-skill.mjs --check",