diff --git a/.gitignore b/.gitignore
index 241c633..02db113 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,9 @@
 __pycache__/
 *.py[cod]
 *$py.class
+
+# Development Claude Notes files
+.claude/
 overview.txt
 # C extensions
 *.so