diff --git a/.gitignore b/.gitignore
index 84209ca..31687e6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -84,3 +84,6 @@ instances.yml
 
 # Build artifact: copied from repo root into cli/ during build
 cli/instances.demo.yml
+
+# Claude Code agent worktrees (runtime artifacts)
+.claude/worktrees/