diff --git a/internal/agentkit/content/agents/background-worker.md b/internal/agentkit/content/agents/background-worker.md
index 6cf408d..c4454f3 100644
--- a/internal/agentkit/content/agents/background-worker.md
+++ b/internal/agentkit/content/agents/background-worker.md
@@ -1,6 +1,8 @@
 ---
 name: background-worker
 description: Runs background tasks without MCP tool access.
+mode: subagent
+hidden: true
 ---
 
 # Background Worker
diff --git a/internal/agentkit/content/agents/coordinator.md b/internal/agentkit/content/agents/coordinator.md
index b97e1ba..ba0b590 100644
--- a/internal/agentkit/content/agents/coordinator.md
+++ b/internal/agentkit/content/agents/coordinator.md
@@ -1,6 +1,7 @@
 ---
 name: coordinator
 description: Orchestrates forge coordination and supervises worker agents.
+mode: subagent
 ---
 
 # Forge Coordinator
diff --git a/internal/agentkit/content/agents/worker.md b/internal/agentkit/content/agents/worker.md
index 3a70500..d1d189f 100644
--- a/internal/agentkit/content/agents/worker.md
+++ b/internal/agentkit/content/agents/worker.md
@@ -1,6 +1,8 @@
 ---
 name: worker
 description: Executes a single subtask with file reservations and progress reporting.
+mode: subagent
+hidden: true
 ---
 
 # Forge Worker