diff --git a/README.md b/README.md
new file mode 100644
index 0000000..1269de7
--- /dev/null
+++ b/README.md
@@ -0,0 +1,9 @@
+# gpt4all-nix
+
+A Nix flake for gpt4all chat client: https://github.com/nomic-ai/gpt4all-chat
+
+## Running
+
+```
+nix run github:polygon/gpt4all-nix
+```
diff --git a/flake.nix b/flake.nix
index c2e6ec5..8bb0cf4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,5 +19,10 @@
       gpt4all-chat = pkgs.qt6Packages.callPackage ./gpt4all-chat.nix { src=gpt4all-chat; };
       default = self.packages.${system}.gpt4all-chat;
     };
+
+    apps.${system}.default = {
+      type = "app";
+      program = "${self.packages.${system}.gpt4all-chat}/bin/chat";
+    };
   };
 }