diff --git a/.gitignore b/.gitignore
index 8fdfeb2..31c3ed7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,9 @@ audio/
 
 # local tooling
 .claude/
+
+# SilverBullet internal index/plugs (source of truth = .md files)
+_plug/
+.silverbullet.db
+.silverbullet.db-*
+.sb-*