diff --git a/corecoder/tools/glob_tool.py b/corecoder/tools/glob_tool.py
index 4f4713aa..4ec1e32a 100644
--- a/corecoder/tools/glob_tool.py
+++ b/corecoder/tools/glob_tool.py
@@ -28,6 +28,8 @@ class GlobTool(Tool):
     def execute(self, pattern: str, path: str = ".") -> str:
         try:
             base = Path(path).expanduser().resolve()
+            if not base.exists():
+                return f"Error: {path} not found"
             if not base.is_dir():
                 return f"Error: {path} is not a directory"
 
diff --git a/tests/test_tools.py b/tests/test_tools.py
index 2fc44548..4c74cabe 100644
--- a/tests/test_tools.py
+++ b/tests/test_tools.py
@@ -254,6 +254,18 @@ def test_glob_no_match():
     assert "No files" in r
 
 
+def test_glob_nonexistent_path():
+    glob_t = get_tool("glob")
+    r = glob_t.execute(pattern="*.py", path="/nonexistent_dir_abc")
+    assert "not found" in r.lower() or "Error" in r
+
+
+def test_glob_path_is_file():
+    glob_t = get_tool("glob")
+    r = glob_t.execute(pattern="*.py", path=__file__)
+    assert "not a directory" in r.lower()
+
+
 # --- grep ---
 
 def test_grep_finds_pattern():