diff --git a/pyproject.toml b/pyproject.toml
index 0cb5a17..96a40d8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,6 +11,9 @@ dependencies = [
     "requests>=2.32.3",
 ]
 
+[project.scripts]
+register = "gotosocial.register:cli"
+
 [build-system]
 requires = ["hatchling"]
 build-backend = "hatchling.build"
diff --git a/src/gotosocial/register.py b/src/gotosocial/register.py
index 620cfc8..9139ff0 100644
--- a/src/gotosocial/register.py
+++ b/src/gotosocial/register.py
@@ -1,6 +1,9 @@
 # script to register an API
 
 import requests
+from pathlib import Path
+import json
+import argparse
 
 
 class Application:
@@ -10,6 +13,11 @@ class Application:
         self.headers = {"Content-Type": "application/json"}
 
     def register_app(self):
+        app_json = Path(f"./{self.name}_app.json")
+        if Path.isfile():
+            print(f"Found {app_json} file")
+            print(f"Looks like you've already registered {self.name}")
+            return False
         response = requests.post(
             f"{self.base_url}/api/v1/statuses",
             data={
@@ -19,19 +27,27 @@ class Application:
             },
             headers=self.headers,
         )
-        response.raise_for_status()
-        json_r = response.json()
-        self.client_id = json_r["client_id"]
-        self.client_secret = json_r["client_secret"]
-        print(f"Registered {self.name} as {self.client_id}")
+        try:
+            response.raise_for_status()
+            json_r = response.json()
+            self.client_id = json_r["client_id"]
+            self.client_secret = json_r["client_secret"]
+            print(f"Registered {self.name}, client ID is {self.client_id}")
+            with open(app_json, "w") as jfh:
+                json.dump(json_r, jfh, indent=2)
+                print(f"Wrote response to {app_json}")
+        except Exception as e:
+            print("Something went wrong...")
+            print(e)
 
 
-# curl \
-#   -X POST \
-#   -H 'Content-Type:application/json' \
-#   -d '{
-#         "client_name": "your_app_name",
-#         "redirect_uris": "urn:ietf:wg:oauth:2.0:oob",
-#         "scopes": "read"
-#       }' \
-#   'https://example.org/api/v1/apps'
+def cli():
+    ap = argparse.ArgumentParser()
+    ap.add_argument("-s", "--server", required=True, type=str, help="GoToSocial server")
+    ap.add_argument("-n", "--name", required=True, type=str, help="Application name")
+    ap.parse_args()
+    print(ap)
+
+
+if __name__ == "__main__":
+    cli()