diff --git a/.npm/postinstall.js b/.npm/postinstall.js
new file mode 100644
index 0000000..812eb36
--- /dev/null
+++ b/.npm/postinstall.js
@@ -0,0 +1,61 @@
+#!/usr/bin/env node
+
+const { spawn } = require("child_process");
+const { existsSync } = require("fs");
+const path = require("path");
+
+const pkgRoot = path.join(__dirname, "..");
+const rootPkg = require(path.join(pkgRoot, "package.json"));
+const optionalDependencies = rootPkg.optionalDependencies || {};
+const platforms = rootPkg.customerioCli?.platforms || [];
+const platform = platforms.find(
+  (candidate) => candidate.os === process.platform && candidate.cpu === process.arch
+);
+
+if (!platform) {
+  console.log("[cio postinstall] No matching platform found for", process.platform, process.arch);
+  process.exit(0);
+}
+
+const platformPackage = Object.keys(optionalDependencies).find((packageName) =>
+  packageName.endsWith(`-${platform.npm}`)
+);
+
+if (!platformPackage) {
+  console.log("[cio postinstall] No platform package found for", platform.npm);
+  process.exit(0);
+}
+
+let platformPackageRoot;
+try {
+  platformPackageRoot = path.dirname(
+    require.resolve(`${platformPackage}/package.json`, { paths: [pkgRoot] })
+  );
+} catch {
+  console.log("[cio postinstall] Could not resolve", platformPackage);
+  process.exit(0);
+}
+
+const binPath = path.join(platformPackageRoot, "bin", `cio${platform.ext || ""}`);
+
+if (!existsSync(binPath)) {
+  console.log("[cio postinstall] Binary not found at", binPath);
+  process.exit(0);
+}
+
+console.log("[cio postinstall] Running: cio skills install");
+const child = spawn(binPath, ["skills", "install"], {
+  stdio: "inherit",
+});
+
+child.on("error", (err) => {
+  console.log("[cio postinstall] Failed to run cio skills install:", err.message);
+  process.exit(0);
+});
+
+child.on("close", (code) => {
+  if (code !== 0) {
+    console.log("[cio postinstall] cio skills install exited with code", code);
+  }
+  process.exit(0);
+});
diff --git a/package.json b/package.json
index f8b1f56..bec2768 100644
--- a/package.json
+++ b/package.json
@@ -5,8 +5,12 @@
   "bin": {
     "cio": ".npm/run.js"
   },
+  "scripts": {
+    "postinstall": "node .npm/postinstall.js"
+  },
   "files": [
     ".npm/run.js",
+    ".npm/postinstall.js",
     "LICENSE",
     "README.md"
   ],