diff --git a/rust/CLAUDE.md b/rust/CLAUDE.md
index 43931b455f..d65cfb2a6f 100644
--- a/rust/CLAUDE.md
+++ b/rust/CLAUDE.md
@@ -1,2 +1,3 @@
 - Must pass ../.github/workflows/rust-lint.yml
 - Commits: Keep the co-author line, remove the promotional link
+- Check `git status` before committing to avoid adding temporary/binary files