diff --git a/poc4_active_source_20260714/apps/poc4/mcp_discovery_ui.py b/poc4_active_source_20260714/apps/poc4/mcp_discovery_ui.py
index 5fe0060..c1510ca 100644
--- a/poc4_active_source_20260714/apps/poc4/mcp_discovery_ui.py
+++ b/poc4_active_source_20260714/apps/poc4/mcp_discovery_ui.py
@@ -5349,6 +5349,8 @@ def _prepare_hmm_hr_tool_query(
         team=selected_user_team.strip(),
         scope=selected_user_scope.strip(),
     )
+    if tool.name == "search_carrier_performance":
+        return contextual_question
     try:
         profile = resolve_model_profile(model_profile_key)
         client = build_oci_genai_completion_client(
@@ -5363,7 +5365,9 @@ def _prepare_hmm_hr_tool_query(
                 "or expose/request tokens. Preserve employee codes exactly. "
                 "The HMM HR data tool can query organization, employees, leave balances, "
                 "leave requests, attendance, and standardized HR terms. The policy tool searches "
-                "HR policy PDF abstracts and chunks. A selected demo user only resolves pronouns "
+                "HR policy PDF abstracts and chunks. The carrier federation tool joins ADB "
+                "employee assignments with PostgreSQL carrier KPI data by CARRIER_CODE. "
+                "A selected demo user only resolves pronouns "
                 "such as 'my' or 'our team'; do not claim that it enforces database access control."
             ),
             user_prompt=json.dumps(
diff --git a/poc4_active_source_20260714/config/hmm_demo_scenarios.json b/poc4_active_source_20260714/config/hmm_demo_scenarios.json
index f50a9b4..4f032db 100644
--- a/poc4_active_source_20260714/config/hmm_demo_scenarios.json
+++ b/poc4_active_source_20260714/config/hmm_demo_scenarios.json
@@ -36,6 +36,27 @@
       "category": "근태 현황",
       "title": "휴가 현황 조회",
       "question": "이번 달 팀원별 휴가 사용 현황을 보여줘"
+    },
+    {
+      "id": "FED-01",
+      "enabled": true,
+      "category": "선사 실적 Federation",
+      "title": "팀원별 담당 선사 최신 실적",
+      "question": "E1001 팀장의 팀원별 담당 선사와 해당 선사의 최신 매출, 매출총이익, 정시 운항률, 위험 등급을 보여줘"
+    },
+    {
+      "id": "FED-02",
+      "enabled": true,
+      "category": "선사 실적 Federation",
+      "title": "위험 선사와 담당자",
+      "question": "E1001 팀에서 최신 위험 등급이 RED인 선사를 담당하는 직원, 선사명, 매출, 정시 운항률과 클레임 발생률을 보여줘"
+    },
+    {
+      "id": "FED-03",
+      "enabled": true,
+      "category": "선사 실적 Federation",
+      "title": "담당 선사 월별 추이",
+      "question": "E1006 직원이 담당하는 선사의 월별 매출, 운송 물동량, 매출총이익과 위험 등급을 기준월 순서로 보여줘"
     }
   ]
 }
diff --git a/poc4_active_source_20260714/config/mcp_servers.json b/poc4_active_source_20260714/config/mcp_servers.json
index 83c305c..8a6242c 100644
--- a/poc4_active_source_20260714/config/mcp_servers.json
+++ b/poc4_active_source_20260714/config/mcp_servers.json
@@ -14,9 +14,10 @@
       "tool_allowlist": [
         "search_hr_data",
         "resolve_hr_term",
-        "search_hr_policy"
+        "search_hr_policy",
+        "search_carrier_performance"
       ],
-      "description": "HMM HR knowledge and data MCP server"
+      "description": "HMM HR knowledge, ADB employee assignment, and RDS carrier performance MCP server"
     }
   ]
 }
diff --git a/poc4_active_source_20260714/tests/test_scenarios.py b/poc4_active_source_20260714/tests/test_scenarios.py
index b9f29eb..d819430 100644
--- a/poc4_active_source_20260714/tests/test_scenarios.py
+++ b/poc4_active_source_20260714/tests/test_scenarios.py
@@ -87,6 +87,28 @@ class DemoScenarioConfigTest(unittest.TestCase):
         self.assertGreaterEqual(len(scenarios), 3)
         self.assertEqual(len(scenarios), len({item.scenario_id for item in scenarios}))
         self.assertTrue(all(item.question.strip() for item in scenarios))
+        by_id = {item.scenario_id: item for item in scenarios}
+        self.assertEqual(
+            {"FED-01", "FED-02", "FED-03"},
+            {"FED-01", "FED-02", "FED-03"} & set(by_id),
+        )
+        self.assertTrue(
+            all("선사" in by_id[scenario_id].question for scenario_id in (
+                "FED-01", "FED-02", "FED-03"
+            ))
+        )
+
+    def test_hmm_mcp_allows_carrier_federation_tool(self) -> None:
+        path = Path(__file__).parents[1] / "config" / "mcp_servers.json"
+        payload = json.loads(path.read_text(encoding="utf-8"))
+        server = next(
+            item for item in payload["servers"] if item["id"] == "hmm_hr_mcp"
+        )
+
+        self.assertIn(
+            "search_carrier_performance",
+            server["tool_allowlist"],
+        )
 
     def test_hmm_demo_user_presets_reference_runtime_token_only(self) -> None:
         path = Path(__file__).parents[1] / "config" / "vpd_token_presets.json"