diff --git a/common/helper.py b/common/helper.py
index 17dcfff..94ca898 100644
--- a/common/helper.py
+++ b/common/helper.py
@@ -1,32 +1,112 @@
 import argparse
 
 
-def get_argparser():
-    parser = argparse.ArgumentParser(description='NVCCPlugin params')
-    parser.add_argument(
-        '-t', 
-        '--timeit',
-        action='store_true',
-        help='If set, returns the output of the "timeit" built-in ipython magic instead of stdout.',
+def get_parser_cuda() -> argparse.ArgumentParser:
+    parser = argparse.ArgumentParser(
+        description=(
+            "%%cuda magic that compiles and runs CUDA C++ code in this cell."
+        )
     )
     parser.add_argument(
-        '-p', 
-        '--profile', 
-        action='store_true',
-        help='If set, runs the nvidia nsight compute profiler. Has no effect if used with --timeit.',
+        "-t",
+        "--timeit",
+        action="store_true",
+        help=(
+            'If set, returns the output of the "timeit" built-in ipython magic'
+            " instead of stdout."
+        ),
     )
     parser.add_argument(
-        '-a',
-        '--profiler-args',
+        "-p",
+        "--profile",
+        action="store_true",
+        help=(
+            "If set, runs the nvidia nsight compute profiler. Has no effect if"
+            " used with --timeit."
+        ),
+    )
+    parser.add_argument(
+        "-a",
+        "--profiler-args",
         type=str,
-        nargs=argparse.REMAINDER,
-        default=[],
-        help='Extra options that can be passed to the nvidia nsight compute profiler. '
-             'Must be the last option given to the argument parser so you can pass arguments with dashes.',
+        default="",
+        help=(
+            "Extra options that can be passed to the nvidia nsight compute"
+            " profiler. Must be the last option given to the argument parser"
+            " so you can pass arguments with dashes."
+        ),
+    )
+    return parser
+
+
+def get_parser_cuda_group_run() -> argparse.ArgumentParser:
+    parser = get_parser_cuda()
+    parser.description = (
+        "%%cuda_group_run magic that compiles and runs source files in a"
+        " given group."
+    )
+    parser.add_argument(
+        "-g",
+        "--group",
+        type=str,
+        required=True,
+        help="The group whose files should be compiled and executed.",
+    )
+    return parser
+
+
+def get_parser_cuda_group_save() -> argparse.ArgumentParser:
+    parser = argparse.ArgumentParser(
+        description=(
+            "%%cuda_group_save magic that saves CUDA C++ code in this cell for"
+            " later compilation and execution with possibly more source files."
+        )
+    )
+    parser.add_argument(
+        "-n",
+        "--name",
+        type=str,
+        required=True,
+        help=(
+            'The name of the saved source file. Must have either the ".cu" or'
+            ' ".h" extension. In order to import a header file saved with this'
+            " magic you can simply add '#include \"<name>\"'."
+        ),
+    )
+    parser.add_argument(
+        "-g",
+        "--group",
+        type=str,
+        required=True,
+        help=(
+            "The group to which to add the saved source file. Groups are"
+            " source files that get compiled together and do not interact with"
+            " other groups. This allows you to have multiple unrelated CUDA"
+            " programs within the same jupyter notebook. Adding files to a"
+            ' group named "shared" will make them available to all other'
+            " source file groups. One use case for this is sharing error"
+            " handling code."
+        ),
+    )
+    return parser
+
+
+def get_parser_cuda_group_delete() -> argparse.ArgumentParser:
+    parser = argparse.ArgumentParser(
+        description=(
+            "%%cuda_group_reset magic that deletes all files in a group."
+        )
+    )
+    parser.add_argument(
+        "-g",
+        "--group",
+        type=str,
+        required=True,
+        help="The group whose files should be deleted.",
     )
     return parser
 
 
 def print_out(out: str):
-    for l in out.split('\n'):
+    for l in out.split("\n"):
         print(l)