diff --git a/.gitignore b/.gitignore
index 36f7f5b..272a817 100644
--- a/.gitignore
+++ b/.gitignore
@@ -29,3 +29,9 @@ logs/
 # Runtime files
 *.sock
 *.pid
+
+# Local hygiene notes (not for commit)
+CLAUDE.md
+
+# graphify knowledge-graph output (local tool cache, not for commit)
+graphify-out/