diff --git a/.gitignore b/.gitignore
index 3b95817..e8aa7c1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -33,6 +33,10 @@ Thumbs.db
 # Agent-local learning logs
 .learnings/
 
+# Agent tool local state (security-scan ledger, session memory)
+/.mimosa/
+/.workbuddy/
+
 # Local tool artifacts
 /.playwright-cli/
 /output/