diff --git a/.gitignore b/.gitignore
index 3308c88..387532f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,3 +37,9 @@ desktop.ini
 
 # Claude Code local state
 .claude/
+
+# Local hygiene notes (not for commit)
+CLAUDE.md
+
+# graphify knowledge-graph output (local tool cache, not for commit)
+graphify-out/