diff --git a/.gitignore b/.gitignore
index e720ff1..4a86fe7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -186,3 +186,9 @@ state-hub/dashboard/src/.observablehq/
 state-hub/dashboard/dist/
 state-hub/kubectl
 
+# Kaizen runtime artifacts (generated per agent run)
+.kaizen/metrics/
+
+# Local agent definition backups (migration artifacts)
+agents_backup_*/
+