diff --git a/bin/omarchy-agent b/bin/omarchy-agent
index 426ea85a..80e0f182 100755
--- a/bin/omarchy-agent
+++ b/bin/omarchy-agent
@@ -87,10 +87,9 @@ codex)
   [[ -n ${prompt:-} ]] && command+=(-- "$prompt")
   ;;
 hermes)
-  # Hermes has no "start interactive, seeded with this prompt" mode. --oneshot
-  # answers the prompt and exits, which is the closest it offers.
   if [[ -n ${prompt:-} ]]; then
-    command=(hermes --yolo --oneshot "$prompt")
+    # Keep inherited flags after chat so older Hermes subparsers do not clear them.
+    command=(hermes chat --yolo --tui "--query=$prompt")
   else
     command=(hermes --yolo)
   fi
diff --git a/test/shell.d/default-agent-test.sh b/test/shell.d/default-agent-test.sh
index 5b4512f1..d46bbdb2 100644
--- a/test/shell.d/default-agent-test.sh
+++ b/test/shell.d/default-agent-test.sh
@@ -462,6 +462,7 @@ assert_launch claude claude --permission-mode auto -- "Review this project"
 assert_launch codex codex --approve-for-me -- "Review this project"
 assert_launch crush crush run "Review this project"
 assert_launch grok grok --permission-mode bypassPermissions -- "Review this project"
+assert_launch hermes hermes chat --yolo --tui "--query=Review this project"
 assert_launch agy agy --dangerously-skip-permissions --prompt-interactive "Review this project"
 assert_launch copilot copilot --allow-all --interactive "Review this project"
 pass "agent launcher adapts initial prompts for every supported agent"
@@ -474,6 +475,7 @@ assert_bypass claude claude --permission-mode auto
 assert_bypass codex codex --approve-for-me
 assert_bypass crush crush --yolo
 assert_bypass grok grok --permission-mode bypassPermissions
+assert_bypass hermes hermes --yolo
 assert_bypass agy agy --dangerously-skip-permissions
 assert_bypass copilot copilot --allow-all
 pass "agent launcher skips permission prompts for every supported agent"