diff --git a/libs/arcade-cli/arcade_cli/configure.py b/libs/arcade-cli/arcade_cli/configure.py
index 68ca07a4..9f503799 100644
--- a/libs/arcade-cli/arcade_cli/configure.py
+++ b/libs/arcade-cli/arcade_cli/configure.py
@@ -526,12 +526,18 @@ def configure_client(
         server_name = Path.cwd().name
 
     if transport == "stdio":
-        if not bool(re.match(r"^[a-zA-Z0-9_-]+\.py$", entrypoint_file)):
-            raise ValueError(f"Entrypoint file '{entrypoint_file}' is not a valid Python file name")
+        if "/" in entrypoint_file or "\\" in entrypoint_file:
+            raise ValueError(
+                f"Entrypoint file '{entrypoint_file}' must be a filename in the current "
+                f"directory, not a path"
+            )
 
         if not (Path.cwd() / entrypoint_file).exists():
             raise ValueError(f"Entrypoint file '{entrypoint_file}' is not in the current directory")
 
+        if not bool(re.match(r"^[a-zA-Z0-9_-]+\.py$", entrypoint_file)):
+            raise ValueError(f"Entrypoint file '{entrypoint_file}' is not a valid Python file name")
+
     client_lower = client.lower()
 
     if client_lower == "claude":
diff --git a/pyproject.toml b/pyproject.toml
index 87c7d0e6..906852ef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "arcade-mcp"
-version = "1.13.0"
+version = "1.13.1"
 description = "Arcade.dev - Tool Calling platform for Agents"
 readme = "README.md"
 license = { file = "LICENSE" }