diff --git a/packages/is/README.md b/packages/is/README.md
new file mode 100644
index 0000000..fa79136
--- /dev/null
+++ b/packages/is/README.md
@@ -0,0 +1,9 @@
+# is
+
+Usage:
+
+```js
+import { is } from '@advdominion/is';
+
+console.log(is('Hello, world!', 'String'));
+```
diff --git a/packages/is/index.js b/packages/is/index.js
new file mode 100644
index 0000000..6d8e456
--- /dev/null
+++ b/packages/is/index.js
@@ -0,0 +1,3 @@
+export const is = (obj, type) => {
+    return Object.prototype.toString.call(obj).slice(8, -1) === type && obj !== undefined && obj !== null;
+};
diff --git a/packages/is/package.json b/packages/is/package.json
new file mode 100644
index 0000000..8c17b31
--- /dev/null
+++ b/packages/is/package.json
@@ -0,0 +1,14 @@
+{
+    "name": "@advdominion/is",
+    "version": "1.0.0",
+    "type": "module",
+    "main": "index.js",
+    "repository": {
+        "type": "git",
+        "url": "https://gitea.optiweb.ru/public/helpers.git"
+    },
+    "license": "MIT",
+    "publishConfig": {
+        "access": "public"
+    }
+}
diff --git a/yarn.lock b/yarn.lock
index 4a1f12f..67bf6ca 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5,6 +5,12 @@ __metadata:
   version: 8
   cacheKey: 10c0
 
+"@advdominion/is@workspace:packages/is":
+  version: 0.0.0-use.local
+  resolution: "@advdominion/is@workspace:packages/is"
+  languageName: unknown
+  linkType: soft
+
 "@babel/code-frame@npm:^7.0.0":
   version: 7.24.2
   resolution: "@babel/code-frame@npm:7.24.2"