diff --git a/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/BillingProcessService.java b/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/BillingProcessService.java
index 8a63755..06b1257 100644
--- a/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/BillingProcessService.java
+++ b/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/BillingProcessService.java
@@ -12,7 +12,7 @@ import io.shinhanlife.axhub.biz.mcp.tool.dto.BillingProcessReq;
 @McpTool(
     name = "billing_process_tool", 
     description = "청구 심사 및 처리 상태 툴", 
-    group = "group_2", 
+    group = "biz_channel", 
     routingType = "MCI"
 )
 @lombok.extern.slf4j.Slf4j
diff --git a/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/BondIssueService.java b/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/BondIssueService.java
index c6858c2..279111f 100644
--- a/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/BondIssueService.java
+++ b/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/BondIssueService.java
@@ -8,7 +8,7 @@ import io.shinhanlife.axhub.biz.mcp.tool.dto.BondIssueReq;
 @McpTool(
     name = "bond_issue_tool", 
     description = "디지털 증권 발행 가능 여부 조회 툴", 
-    group = "group_3", 
+    group = "biz_support", 
     routingType = "EAI"
 )
 public class BondIssueService extends AbstractMcpToolService {
diff --git a/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/ContractInquiryService.java b/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/ContractInquiryService.java
index 13c4a8b..3173189 100644
--- a/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/ContractInquiryService.java
+++ b/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/ContractInquiryService.java
@@ -8,7 +8,7 @@ import io.shinhanlife.axhub.biz.mcp.tool.dto.ContractDetailReq;
 @McpTool(
     name = "contract_inquiry_tool", 
     description = "계약 상태 및 상세 정보 조회 툴", 
-    group = "group_2", 
+    group = "biz_channel", 
     routingType = "HTTP"
 )
 public class ContractInquiryService extends AbstractMcpToolService {
diff --git a/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/CustomerInfoService.java b/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/CustomerInfoService.java
index 533be55..413b3a0 100644
--- a/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/CustomerInfoService.java
+++ b/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/service/CustomerInfoService.java
@@ -8,7 +8,7 @@ import io.shinhanlife.axhub.biz.mcp.tool.dto.CustomerDetailReq;
 @McpTool(
     name = "customer_info_tool", 
     description = "고객 등급 및 상세 정보 조회 툴", 
-    group = "group_3", 
+    group = "biz_support", 
     routingType = "TCP"
 )
 public class CustomerInfoService extends AbstractMcpToolService {
diff --git a/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/util/ToolScaffolder.java b/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/util/ToolScaffolder.java
index f2f9e35..8fc2d76 100644
--- a/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/util/ToolScaffolder.java
+++ b/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/util/ToolScaffolder.java
@@ -35,7 +35,8 @@ public class ToolScaffolder {
         String baseName = getOrAsk(args, 0, scanner, "1. 생성할 Tool의 기본 이름 (예: ExchangeRate) [영문 PascalCase]: ");
         String interfaceId = getOrAsk(args, 1, scanner, "2. 레거시 API 인터페이스 ID (예: EXCH_001): ");
         String description = getOrAsk(args, 2, scanner, "3. Tool 기능 설명 (예: 환율 조회): ");
-        String group = getOrAsk(args, 3, scanner, "4. Tool 소속 그룹 (예: group_1): ");
+        String group = getOrAsk(args, 3, scanner, "4. Tool 소속 그룹 (기본: biz_core): ");
+        if (group.isEmpty()) group = "biz_core";
         String routingType = getOrAsk(args, 4, scanner, "5. 통신 프로토콜 (예: HTTP, TCP, MCI): ");
         if (routingType.trim().isEmpty()) {
             routingType = "HTTP";
diff --git a/src/main/resources/static/index.html b/src/main/resources/static/index.html
index 9e39a59..5298e80 100644
--- a/src/main/resources/static/index.html
+++ b/src/main/resources/static/index.html
@@ -341,7 +341,13 @@
                 Object.keys(groupedTools).sort().forEach(group => {
                     const optgroup = document.createElement('optgroup');
                     let label = group;
-                    if (group.toLowerCase().startsWith('group_')) {
+                    if (group === 'biz_core') {
+                        label = '핵심 업무 (Biz Core)';
+                    } else if (group === 'biz_channel') {
+                        label = '채널/고객 (Biz Channel)';
+                    } else if (group === 'biz_support') {
+                        label = '지원/인사 (Biz Support)';
+                    } else if (group.toLowerCase().startsWith('group_')) {
                         label = 'Group ' + group.split('_')[1];
                     }
                     optgroup.label = label;