diff --git a/.gitignore b/.gitignore
index 54632f88..7cacd726 100644
--- a/.gitignore
+++ b/.gitignore
@@ -169,6 +169,7 @@ cython_debug/
 
 # Vscode config files
 .vscode/
+!.vscode/launch.json # Exception: allow launch.json
 
 # PyCharm
 #  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 00000000..b52ce41d
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,26 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Debug examples/fastapi",
+      "type": "python",
+      "request": "launch",
+      "module": "uvicorn",
+      "args": ["main:app", "--app-dir", "${workspaceFolder}/examples/fastapi/arcade_example_fastapi"],
+      "jinja": true,
+      "justMyCode": true,
+      "cwd": "${workspaceFolder}/examples/fastapi/arcade_example_fastapi"
+    },
+    {
+      "name": "Debug arcade dev",
+      "type": "python",
+      "request": "launch",
+      "program": "${workspaceFolder}/arcade/run_cli.py",
+      "args": ["dev"],
+      "console": "integratedTerminal",
+      "jinja": true,
+      "justMyCode": true,
+      "cwd": "${workspaceFolder}"
+    }
+  ]
+}
diff --git a/arcade/arcade/cli/main.py b/arcade/arcade/cli/main.py
index f791fa25..e484b888 100644
--- a/arcade/arcade/cli/main.py
+++ b/arcade/arcade/cli/main.py
@@ -34,7 +34,7 @@ console = Console()
 @cli.command(help="Log in to Arcade Cloud")
 def login(
     host: str = typer.Option(
-        "https://cloud.arcade-ai.com",
+        "cloud.arcade-ai.com",
         "-h",
         "--host",
         help="The Arcade Cloud host to log in to.",
@@ -261,7 +261,7 @@ def dev(
         "127.0.0.1", help="Host for the app, from settings by default.", show_default=True
     ),
     port: int = typer.Option(
-        "8000", "-p", "--port", help="Port for the app, defaults to ", show_default=True
+        "8002", "-p", "--port", help="Port for the app, defaults to ", show_default=True
     ),
     disable_auth: bool = typer.Option(
         False,
diff --git a/arcade/run_cli.py b/arcade/run_cli.py
new file mode 100644
index 00000000..ccf215f3
--- /dev/null
+++ b/arcade/run_cli.py
@@ -0,0 +1,8 @@
+import sys
+
+from arcade.cli.main import cli
+
+if __name__ == "__main__":
+    # Support attaching debugger to cli
+    mode = sys.argv[1] if len(sys.argv) > 1 else "dev"
+    cli([mode])
diff --git a/toolkits/math/arcade_arithmetic/tools/arithmetic.py b/toolkits/math/arcade_arithmetic/tools/arithmetic.py
index 47ccb01f..d9cb792b 100644
--- a/toolkits/math/arcade_arithmetic/tools/arithmetic.py
+++ b/toolkits/math/arcade_arithmetic/tools/arithmetic.py
@@ -62,3 +62,14 @@ def sum_list(
     Sum all numbers in a list
     """
     return sum(numbers)
+
+
+@tool
+def sum_range(
+    start: Annotated[int, "The start of the range  to sum"],
+    end: Annotated[int, "The end of the range to sum"],
+) -> Annotated[int, "The sum of the numbers in the list"]:
+    """
+    Sum all numbers from start through end
+    """
+    return sum([i for i in range(start, end + 1)])