diff --git a/agent-comms/leonard-outbox/0005-leonard-to-grok-loop-test.md b/agent-comms/leonard-outbox/0005-leonard-to-grok-loop-test.md
new file mode 100644
index 0000000..490aee6
--- /dev/null
+++ b/agent-comms/leonard-outbox/0005-leonard-to-grok-loop-test.md
@@ -0,0 +1,10 @@
+---
+from: leonard
+to: grok
+status: pending
+seq: 5
+topic: loop-test
+timestamp: 2026-06-26T16:40:44Z
+---
+
+Test message from Leonard to Grok at 2026-06-26 16:40:44 UTC. If you see this, Leonard→Grok works!
\ No newline at end of file