diff --git a/.gitignore b/.gitignore
index 58cbc82..0707f18 100644
--- a/.gitignore
+++ b/.gitignore
@@ -70,3 +70,6 @@ crashlytics-build.properties
 # Temporary auto-generated Android Assets
 /[Aa]ssets/[Ss]treamingAssets/aa.meta
 /[Aa]ssets/[Ss]treamingAssets/aa/*
+
+*.meta
+!*.asmdef.meta
diff --git a/DragonECS-Threads.asmdef b/DragonECS-Threads.asmdef
new file mode 100644
index 0000000..55494b5
--- /dev/null
+++ b/DragonECS-Threads.asmdef
@@ -0,0 +1,16 @@
+{
+    "name": "DCFApixels.DragonECS.Threads",
+    "rootNamespace": "DCFApixels",
+    "references": [
+        "GUID:abb125fa67fff1e45914d0825236f608"
+    ],
+    "includePlatforms": [],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": false
+}
\ No newline at end of file
diff --git a/DragonECS-Threads.asmdef.meta b/DragonECS-Threads.asmdef.meta
new file mode 100644
index 0000000..7edd131
--- /dev/null
+++ b/DragonECS-Threads.asmdef.meta
@@ -0,0 +1,7 @@
+fileFormatVersion: 2
+guid: cf87a88ccbf017b418356109aff3ebee
+AssemblyDefinitionImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..16432ec
--- /dev/null
+++ b/package.json
@@ -0,0 +1,24 @@
+{
+    "name": "com.dcfa_pixels.dragonecs-threads",
+    "author": 
+    {
+        "name": "DCFApixels",
+        "url": "https://github.com/DCFApixels/DragonECS-Threads"
+    },
+    "displayName": "DragonECS-Threads",
+    "description": "Multithreading for DragonECS",
+    "unity": "2020.3",
+    "version": "0.1.0",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/DCFApixels/DragonECS-Threads.git"
+    },
+    "keywords":
+    [
+        "ecs",
+        "dragonecs",
+        "extension",
+        "add-on",
+        "multithreads"
+    ]
+}
\ No newline at end of file