diff --git a/tools/run-song-snippet-trial-swarm.ps1 b/tools/run-song-snippet-trial-swarm.ps1
index 48dffbb..fa23100 100644
--- a/tools/run-song-snippet-trial-swarm.ps1
+++ b/tools/run-song-snippet-trial-swarm.ps1
@@ -156,6 +156,7 @@ function New-AgentWorktree {
         -ArgumentList @(
             "worktree",
             "add",
+            "--quiet",
             "--detach",
             $WorktreeRoot,
             "HEAD"