diff --git a/.gitignore b/.gitignore
index 37a962f..ec10cb0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,3 +21,7 @@ Thumbs.db
 .claude/
 
 # Local hygiene notes (not for commit)
+CLAUDE.md
+
+# graphify knowledge-graph output (local tool cache, not for commit)
+graphify-out/