diff --git a/packages/cloud-agents/src/server/fast-agent/__tests__/fast-agent-tasks.test.ts b/packages/cloud-agents/src/server/fast-agent/__tests__/fast-agent-tasks.test.ts
index 9d17ee463..eac63f9b7 100644
--- a/packages/cloud-agents/src/server/fast-agent/__tests__/fast-agent-tasks.test.ts
+++ b/packages/cloud-agents/src/server/fast-agent/__tests__/fast-agent-tasks.test.ts
@@ -5,7 +5,7 @@ describe('fast-agent task operations', () => {
     vi.unstubAllGlobals();
   });
 
-  it('preserves a reverse-proxy pathname in the task API base URL', async () => {
+  it('steers messages to active tasks through a reverse-proxy pathname', async () => {
     const fetchMock = vi.fn().mockResolvedValue(
       new Response(JSON.stringify({ success: true }), {
         status: 200,
@@ -24,13 +24,14 @@ describe('fast-agent task operations', () => {
     );
 
     expect(fetchMock).toHaveBeenCalledWith(
-      'https://app.example.test/_roomote-api/api/mcp/tasks/task-42/send_message',
+      'https://app.example.test/_roomote-api/api/mcp/tasks/task-42/steer_message',
       expect.objectContaining({
         method: 'POST',
         headers: expect.objectContaining({
           Authorization: 'Bearer auth-token',
           'Content-Type': 'application/json',
         }),
+        body: JSON.stringify({ message: 'Also add a test.' }),
       }),
     );
   });
diff --git a/packages/cloud-agents/src/server/fast-agent/fast-agent-tasks.ts b/packages/cloud-agents/src/server/fast-agent/fast-agent-tasks.ts
index fe4a8027c..5e515500a 100644
--- a/packages/cloud-agents/src/server/fast-agent/fast-agent-tasks.ts
+++ b/packages/cloud-agents/src/server/fast-agent/fast-agent-tasks.ts
@@ -193,7 +193,7 @@ export async function sendFastAgentTaskMessage(
   return callFastAgentTaskApi({
     ...context,
     method: 'POST',
-    path: `${FAST_AGENT_TASKS_API_PATH}/${params.taskId}/send_message`,
+    path: `${FAST_AGENT_TASKS_API_PATH}/${params.taskId}/steer_message`,
     body: { message: params.message },
   });
 }