diff --git a/.gitignore b/.gitignore
index 7de50364e7..a6fef79fcb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -53,3 +53,7 @@ src/cast/dev_const.ts
 
 # test coverage
 test/coverage/
+
+# AI tooling
+.claude
+