diff --git a/axhub-common/src/main/java/io/shinhanlife/axhub/common/util/ToolScaffolder.java b/axhub-common/src/main/java/io/shinhanlife/axhub/common/util/ToolScaffolder.java
index 6af8d89..e360cae 100644
--- a/axhub-common/src/main/java/io/shinhanlife/axhub/common/util/ToolScaffolder.java
+++ b/axhub-common/src/main/java/io/shinhanlife/axhub/common/util/ToolScaffolder.java
@@ -169,6 +169,8 @@ public class ToolScaffolder {
             import %s.annotation.McpTool;
             import %s.dto.%sReq;
             import %s.dto.%sRes;
+            import %s.%s.converter.%sLegacyConverter;
+            import lombok.RequiredArgsConstructor;
             import org.springframework.stereotype.Service;
 
             /**
@@ -186,12 +188,15 @@ public class ToolScaffolder {
              * </pre>
              */
             @Service
+            @RequiredArgsConstructor
             @McpTool(
                 routingType = "%s",
                 categoryKey = "%s"
             )
             public class %sService extends AbstractMcpToolService {
 
+                private final %sLegacyConverter converter;
+
                 @McpFunction(
                     displayName = "%s 툴",
                     name = "%s",
@@ -202,19 +207,20 @@ public class ToolScaffolder {
                     requiresApproval = false
                 )
                 public Object execute(%sReq req) {
-                    return executeLegacy("%s", "%s", req);
+                    // %sLegacyReq legacyReq = converter.toLegacyReq(req);
+                    return executeLegacy("%s", "%s", req); // Or pass legacyReq
                 }
             }
             """.formatted(
-                BASE_PACKAGE,
-                BASE_PACKAGE,
                 BASE_PACKAGE,
                 BASE_PACKAGE, baseName,
                 BASE_PACKAGE, baseName,
+                BASE_PACKAGE, shortName, baseName,
+                BASE_PACKAGE, baseName,
                 BASE_PACKAGE, baseName, author, createDate, createDate, author,
-                routingType, group.toLowerCase(), baseName,
+                routingType, group.toLowerCase(), baseName, baseName,
                 baseName, toolName, description, description + " 해줘.", interfaceId, register,
-                baseName, routingType, interfaceId
+                baseName, baseName, routingType, interfaceId
             );
         
         Files.writeString(serviceDir.resolve(baseName + "Service.java"), serviceContent);
@@ -304,8 +310,6 @@ public class ToolScaffolder {
             @Mapper(componentModel = "spring")
             public interface %sLegacyConverter {
 
-                %sLegacyConverter INSTANCE = Mappers.getMapper(%sLegacyConverter.class);
-
                 // @Mapping(source = "sourceField", target = "targetField")
                 %sLegacyReq toLegacyReq(%sReq req);
                 
@@ -318,7 +322,7 @@ public class ToolScaffolder {
                 BASE_PACKAGE, shortName, baseName,
                 BASE_PACKAGE, shortName, baseName,
                 BASE_PACKAGE, shortName, baseName, author, createDate, createDate, author,
-                baseName, baseName, baseName, baseName, baseName, baseName, baseName
+                baseName, baseName, baseName, baseName, baseName, baseName
             );
         Files.writeString(converterDir.resolve(baseName + "LegacyConverter.java"), converterContent);
 
diff --git a/axhub-tool-sms/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/sms/converter/SmsLegacyConverter.java b/axhub-tool-sms/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/sms/converter/SmsLegacyConverter.java
index 88bea1e..bb7fac5 100644
--- a/axhub-tool-sms/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/sms/converter/SmsLegacyConverter.java
+++ b/axhub-tool-sms/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/sms/converter/SmsLegacyConverter.java
@@ -9,8 +9,6 @@ import org.mapstruct.factory.Mappers;
 @Mapper(componentModel = "spring")
 public interface SmsLegacyConverter {
 
-    SmsLegacyConverter INSTANCE = Mappers.getMapper(SmsLegacyConverter.class);
-
     @Mapping(source = "phoneNumber", target = "phone")
     @Mapping(source = "message", target = "content")
     SmsLegacyReqDto toLegacyReq(SmsSendReq req);
diff --git a/axhub-tool-sms/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/sms/service/SmsToolService.java b/axhub-tool-sms/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/sms/service/SmsToolService.java
index 4608676..df807ff 100644
--- a/axhub-tool-sms/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/sms/service/SmsToolService.java
+++ b/axhub-tool-sms/src/main/java/io/shinhanlife/axhub/biz/mcp/tool/sms/service/SmsToolService.java
@@ -6,6 +6,7 @@ import io.shinhanlife.axhub.biz.mcp.tool.dto.SmsSendReq;
 import io.shinhanlife.axhub.biz.mcp.tool.service.AbstractMcpToolService;
 import io.shinhanlife.axhub.biz.mcp.tool.sms.converter.SmsLegacyConverter;
 import io.shinhanlife.axhub.biz.mcp.tool.sms.dto.SmsLegacyReqDto;
+import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 
 import java.util.Map;
@@ -25,15 +26,18 @@ import java.util.Map;
  * </pre>
  */
 @Slf4j
+@RequiredArgsConstructor
 @McpTool(routingType = "EAI", categoryKey = "notification")
 public class SmsToolService extends AbstractMcpToolService {
 
+    private final SmsLegacyConverter converter;
+
     @McpFunction(displayName = "send_sms 툴", name = "send_sms", description = "SMS 발송", prompt = "고객에게 SMS 메시지를 발송해줘.", mappingId = "SMS_SEND_001")
     public Object sendSms(SmsSendReq req) {
         log.info("[SMS] SMS 발송 요청 수신. 수신자: {}", req.getPhoneNumber());
 
         // MapStruct를 이용한 자동 매핑 (AI DTO -> MCI DTO)
-        SmsLegacyReqDto legacyReq = SmsLegacyConverter.INSTANCE.toLegacyReq(req);
+        SmsLegacyReqDto legacyReq = converter.toLegacyReq(req);
 
         // 레거시 시스템 연동 (EAI) - DTO 객체를 그대로 넘김
         Map<String, Object> result = executeLegacy("EAI", "SMS_SEND_001", legacyReq);
diff --git a/fix_bugs.py b/fix_bugs.py
new file mode 100644
index 0000000..6c7a42d
--- /dev/null
+++ b/fix_bugs.py
@@ -0,0 +1,39 @@
+import os
+import re
+
+# 1. Fix catalog.html JS bug and error box colors
+catalog_path = r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-gateway\src\main\resources\static\catalog.html"
+with open(catalog_path, "r", encoding="utf-8") as f:
+    catalog_html = f.read()
+
+# Remove totalCount reference since we removed the element
+catalog_html = catalog_html.replace("document.getElementById('totalCount').textContent = Total: ;", "")
+
+# Fix the error box colors to be dark-theme compatible
+catalog_html = catalog_html.replace("border-red-200 bg-red-50 text-red-600", "border-red-900 bg-red-950/30 text-red-400")
+with open(catalog_path, "w", encoding="utf-8") as f:
+    f.write(catalog_html)
+
+# 2. Fix input field visibility in scaffold.html and playground.html
+files = [
+    r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-gateway\src\main\resources\static\admin\scaffold.html",
+    r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-gateway\src\main\resources\static\playground.html"
+]
+
+for fp in files:
+    if not os.path.exists(fp):
+        continue
+    with open(fp, "r", encoding="utf-8") as f:
+        content = f.read()
+
+    # Enhance input-base visibility
+    content = content.replace("border: 1px solid rgba(255,255,255,0.1);", "border: 1px solid rgba(255,255,255,0.25);\n            background-color: rgba(255,255,255,0.05);")
+    content = content.replace("background-color: #18181b;", "") # remove old background
+    
+    # In playground.html, also enhance select Tool and textarea
+    # We already updated .input-base, which applies to textarea and select.
+    
+    with open(fp, "w", encoding="utf-8") as f:
+        f.write(content)
+
+print("Bugs and visibility fixed.")
diff --git a/fix_links.py b/fix_links.py
new file mode 100644
index 0000000..3059f23
--- /dev/null
+++ b/fix_links.py
@@ -0,0 +1,23 @@
+import os
+
+files_to_patch = [
+    r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-gateway\src\main\resources\static\admin\scaffold.html",
+    r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-gateway\src\main\resources\static\catalog.html",
+    r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-gateway\src\main\resources\static\playground.html"
+]
+
+for file_path in files_to_patch:
+    if not os.path.exists(file_path):
+        continue
+    with open(file_path, "r", encoding="utf-8") as f:
+        content = f.read()
+
+    # Fix the links
+    content = content.replace('href="/admin/catalog.html"', 'href="/catalog.html"')
+    content = content.replace('href="/admin/playground.html"', 'href="/playground.html"')
+    content = content.replace('href="/admin/scaffold.html"', 'href="/admin/scaffold.html"') # Keep scaffold as /admin/scaffold.html
+    
+    with open(file_path, "w", encoding="utf-8") as f:
+        f.write(content)
+
+print("Links fixed.")
diff --git a/patch_colors.py b/patch_colors.py
new file mode 100644
index 0000000..9e4de04
--- /dev/null
+++ b/patch_colors.py
@@ -0,0 +1,37 @@
+import os
+import re
+
+files_to_patch = [
+    r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-gateway\src\main\resources\static\admin\scaffold.html",
+    r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-gateway\src\main\resources\static\catalog.html",
+    r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-gateway\src\main\resources\static\playground.html"
+]
+
+for file_path in files_to_patch:
+    if not os.path.exists(file_path):
+        continue
+    with open(file_path, "r", encoding="utf-8") as f:
+        content = f.read()
+
+    # Change background and foreground colors in tailwind config
+    content = content.replace("background: '#ffffff',", "background: '#f8fafc',")
+    content = content.replace("foreground: '#000000',", "foreground: '#0f172a',")
+
+    # Add primary colors to tailwind config
+    if "primaryHover: '#4338ca'," not in content:
+        content = content.replace("border: '#e2e8f0',", "border: '#e2e8f0',\n                        primary: '#4f46e5',\n                        primaryHover: '#4338ca',")
+
+    # Change btn-black to use primary color (indigo) instead of pure black for primary actions
+    # In scaffold.html, btn-black is used for the generate button. Let's make it btn-primary.
+    content = content.replace(".btn-black {", ".btn-black {\n            background-color: theme('colors.primary');")
+    content = content.replace("background-color: #000000;", "")
+    content = content.replace(".btn-black:hover {\n            background-color: #333333;\n        }", ".btn-black:hover {\n            background-color: theme('colors.primaryHover');\n        }")
+    
+    # Change btn-black references to btn-primary
+    content = content.replace("btn-black", "btn-primary")
+    content = content.replace(".btn-primary {", ".btn-primary {\n            color: #ffffff;\n            font-weight: 500;\n            padding: 0.5rem 1rem;\n            border-radius: 4px;\n            font-size: 0.875rem;\n            transition: background-color 0.15s;\n        }")
+    
+    with open(file_path, "w", encoding="utf-8") as f:
+        f.write(content)
+
+print("Patch applied.")
diff --git a/patch_dark_theme.py b/patch_dark_theme.py
new file mode 100644
index 0000000..c991df0
--- /dev/null
+++ b/patch_dark_theme.py
@@ -0,0 +1,178 @@
+import os
+import re
+
+files = [
+    r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-gateway\src\main\resources\static\admin\scaffold.html",
+    r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-gateway\src\main\resources\static\catalog.html",
+    r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-gateway\src\main\resources\static\playground.html"
+]
+
+tailwind_and_style = """<script>
+        tailwind.config = {
+            darkMode: 'class',
+            theme: {
+                extend: {
+                    fontFamily: {
+                        sans: ['Geist', 'sans-serif'],
+                        mono: ['Geist Mono', 'monospace']
+                    },
+                    colors: {
+                        background: '#09090b',
+                        panel: '#18181b',
+                        foreground: '#f4f4f5',
+                        muted: '#a1a1aa',
+                        border: 'rgba(255,255,255,0.1)',
+                        primary: '#3b82f6',
+                        primaryHover: '#2563eb',
+                    }
+                }
+            }
+        }
+    </script>
+    <style>
+        body {
+            background-color: theme('colors.background');
+            color: theme('colors.foreground');
+            -webkit-font-smoothing: antialiased;
+            -moz-osx-font-smoothing: grayscale;
+        }
+        
+        .geist-mono { font-family: 'Geist Mono', monospace; }
+        
+        .btn-primary {
+            background: linear-gradient(135deg, #3b82f6 0%, #4f46e5 100%);
+            color: #ffffff;
+            font-weight: 500;
+            padding: 0.5rem 1rem;
+            border-radius: 6px;
+            font-size: 0.875rem;
+            transition: all 0.3s ease;
+            border: 1px solid rgba(255,255,255,0.1);
+            box-shadow: 0 0 10px rgba(59, 130, 246, 0.2);
+        }
+        
+        .btn-primary:hover {
+            box-shadow: 0 0 20px rgba(79, 70, 229, 0.4);
+            transform: translateY(-1px);
+        }
+
+        .btn-primary:disabled {
+            background: #27272a;
+            color: #71717a;
+            box-shadow: none;
+            border-color: transparent;
+            transform: none;
+            cursor: not-allowed;
+        }
+        
+        .input-base {
+            width: 100%;
+            padding: 0.5rem 0.75rem;
+            font-size: 0.875rem;
+            background-color: #18181b;
+            border: 1px solid rgba(255,255,255,0.1);
+            border-radius: 6px;
+            color: #f4f4f5;
+            transition: all 0.2s;
+        }
+        
+        .input-base:focus {
+            outline: none;
+            border-color: #3b82f6;
+            box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
+        }
+        
+        select.input-base {
+            appearance: none;
+            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23a1a1aa' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
+            background-position: right 0.5rem center;
+            background-repeat: no-repeat;
+            background-size: 1.5em 1.5em;
+            padding-right: 2.5rem;
+        }
+
+        .card-panel {
+            background: #18181b;
+            border: 1px solid theme('colors.border');
+            border-radius: 8px;
+            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.5);
+        }
+        
+        /* For catalog schema / playground output */
+        pre {
+            background-color: #09090b !important;
+            border: 1px solid rgba(255,255,255,0.05);
+        }
+    </style>"""
+
+for fp in files:
+    if not os.path.exists(fp):
+        continue
+    with open(fp, "r", encoding="utf-8") as f:
+        content = f.read()
+    
+    # 1. Replace tailwind config and style
+    content = re.sub(r'<script>\s*tailwind\.config = \{.*?</style>', tailwind_and_style, content, flags=re.DOTALL)
+    
+    # 2. Add class="dark" to html tag if not present
+    content = re.sub(r'<html lang="ko">', '<html lang="ko" class="dark">', content)
+    
+    # 3. Fix colors in the HTML body
+    # Replace background colors
+    content = content.replace("bg-white", "bg-zinc-900")
+    content = content.replace("bg-slate-50", "bg-zinc-950")
+    content = content.replace("bg-slate-100", "bg-zinc-800")
+    content = content.replace("bg-slate-200", "bg-zinc-700")
+    content = content.replace("bg-gray-50", "bg-zinc-900")
+    content = content.replace("bg-gray-100", "bg-zinc-800")
+    
+    # Replace text colors
+    content = content.replace("text-black", "text-zinc-100")
+    content = content.replace("text-slate-900", "text-zinc-100")
+    content = content.replace("text-slate-800", "text-zinc-200")
+    content = content.replace("text-slate-600", "text-zinc-400")
+    content = content.replace("text-slate-500", "text-zinc-400")
+    content = content.replace("text-gray-900", "text-zinc-100")
+    content = content.replace("text-gray-800", "text-zinc-200")
+    content = content.replace("text-gray-600", "text-zinc-400")
+    content = content.replace("text-gray-500", "text-zinc-400")
+    content = content.replace("text-gray-400", "text-zinc-500")
+    
+    # Replace borders
+    content = content.replace("border-slate-200", "border-white/10")
+    content = content.replace("border-slate-300", "border-white/20")
+    content = content.replace("border-gray-200", "border-white/10")
+    content = content.replace("border-gray-300", "border-white/20")
+    content = content.replace("border-border", "border-white/10")
+    
+    # Update Header to match index.html
+    header_html = """<header class="border-b border-white/10 sticky top-0 bg-[#09090b]/80 backdrop-blur-xl z-50">
+        <div class="max-w-6xl mx-auto px-6 h-14 flex items-center justify-between">
+            <div class="flex items-center space-x-5">
+                <a href="/index.html" class="flex items-center group">
+                    <div class="w-2 h-2 rounded-full bg-blue-500 shadow-[0_0_8px_rgba(59,130,246,0.8)] mr-2 group-hover:shadow-[0_0_12px_rgba(59,130,246,1)] transition-all"></div>
+                    <span class="font-semibold tracking-tight text-sm text-zinc-100 group-hover:text-white">AXHUB Gateway</span>
+                </a>
+                <div class="h-4 w-px bg-white/10"></div>
+                <nav class="flex space-x-5 text-[13px] font-medium">
+                    <a href="/admin/scaffold.html" class="text-zinc-400 hover:text-white transition-colors">Scaffold</a>
+                    <a href="/catalog.html" class="text-zinc-400 hover:text-white transition-colors">Catalog</a>
+                    <a href="/playground.html" class="text-zinc-400 hover:text-white transition-colors">Playground</a>
+                </nav>
+            </div>
+            <div class="flex items-center">
+                <span class="text-[10px] uppercase tracking-widest bg-blue-500/10 text-blue-400 px-2 py-1 rounded font-bold border border-blue-500/20">v0.0.1</span>
+            </div>
+        </div>
+    </header>"""
+    
+    content = re.sub(r'<header.*?</header>', header_html, content, flags=re.DOTALL)
+    
+    # In playground.html, fix the text area and json output styling
+    if "playground.html" in fp:
+        content = content.replace('bg-slate-50', 'bg-[#09090b]')
+    
+    with open(fp, "w", encoding="utf-8") as f:
+        f.write(content)
+
+print("Dark theme applied.")
diff --git a/patch_htmls.py b/patch_htmls.py
new file mode 100644
index 0000000..8901709
--- /dev/null
+++ b/patch_htmls.py
@@ -0,0 +1,19 @@
+import os
+base_dir = r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-gateway\src\main\resources\static"
+
+files_to_patch = ["index.html", "playground.html"]
+for f in files_to_patch:
+    path = os.path.join(base_dir, f)
+    with open(path, "r", encoding="utf-8") as file:
+        content = file.read()
+    content = content.replace("tool.toolName", "tool.name")
+    with open(path, "w", encoding="utf-8") as file:
+        file.write(content)
+
+catalog_path = os.path.join(base_dir, "catalog.html")
+with open(catalog_path, "r", encoding="utf-8") as file:
+    catalog_content = file.read()
+catalog_content = catalog_content.replace("${tool.name}", "${tool.displayName} <span class=\"text-xs text-slate-500 font-mono\">(${tool.name})</span>")
+with open(catalog_path, "w", encoding="utf-8") as file:
+    file.write(catalog_content)
+print("Done")
diff --git a/patch_htmls_group.py b/patch_htmls_group.py
new file mode 100644
index 0000000..3610028
--- /dev/null
+++ b/patch_htmls_group.py
@@ -0,0 +1,13 @@
+import os
+base_dir = r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-gateway\src\main\resources\static"
+
+files_to_patch = ["index.html", "playground.html"]
+for f in files_to_patch:
+    path = os.path.join(base_dir, f)
+    with open(path, "r", encoding="utf-8") as file:
+        content = file.read()
+    content = content.replace("tool.domainGroup", "tool.categoryKey")
+    with open(path, "w", encoding="utf-8") as file:
+        file.write(content)
+
+print("Done")
diff --git a/patch_tool_controller.py b/patch_tool_controller.py
new file mode 100644
index 0000000..ff02c0e
--- /dev/null
+++ b/patch_tool_controller.py
@@ -0,0 +1,61 @@
+import os
+
+file_path = r"C:\Users\Admin\.gemini\antigravity\scratch\axhub-backend-main\axhub-tool-core\src\main\java\io\shinhanlife\axhub\biz\mcp\tool\presentation\BusinessToolController.java"
+
+with open(file_path, "r", encoding="utf-8") as f:
+    content = f.read()
+
+old_block = """            Map<String, Object> innerResult = new HashMap<>();
+            if (methodResult instanceof Map) {
+                innerResult.putAll((Map<String, Object>) methodResult);
+            }
+            if (!innerResult.containsKey("contracts")) {
+                List<Object> contracts = new ArrayList<>();
+                if (methodResult != null) {
+                    contracts.add(methodResult);
+                }
+                innerResult.put("contracts", contracts);
+            }"""
+
+new_block = """            Map<String, Object> innerResult = new HashMap<>();
+            if (methodResult instanceof Map && ((Map<?, ?>) methodResult).containsKey("contracts")) {
+                innerResult.putAll((Map<String, Object>) methodResult);
+            } else {
+                List<Object> contracts = new ArrayList<>();
+                if (methodResult != null) {
+                    contracts.add(methodResult);
+                }
+                innerResult.put("contracts", contracts);
+                
+                if (methodResult instanceof Map && ((Map<?, ?>) methodResult).containsKey("status")) {
+                    innerResult.put("status", ((Map<?, ?>) methodResult).get("status"));
+                } else {
+                    innerResult.put("status", "SUCCESS");
+                }
+            }"""
+
+old_size = 'resultPayload.put("original_size", 0);'
+
+new_size = """            int originalSize = 0;
+            try {
+                if (methodResult instanceof Map && ((Map<?, ?>) methodResult).containsKey("legacy_response")) {
+                    Object legacyResp = ((Map<?, ?>) methodResult).get("legacy_response");
+                    if (legacyResp instanceof String) {
+                        originalSize = ((String) legacyResp).getBytes(java.nio.charset.StandardCharsets.UTF_8).length;
+                    }
+                } else {
+                    String jsonStr = objectMapper.writeValueAsString(innerResult);
+                    originalSize = jsonStr.getBytes(java.nio.charset.StandardCharsets.UTF_8).length;
+                }
+            } catch (Exception e) {
+                log.warn("Failed to calculate original_size", e);
+            }
+            resultPayload.put("original_size", originalSize);"""
+
+content = content.replace(old_block, new_block)
+content = content.replace(old_size, new_size)
+
+with open(file_path, "w", encoding="utf-8") as f:
+    f.write(content)
+
+print("Patch applied to BusinessToolController.java")
diff --git a/send_email.py b/send_email.py
new file mode 100644
index 0000000..45c2626
--- /dev/null
+++ b/send_email.py
@@ -0,0 +1,24 @@
+import urllib.request
+import json
+
+url = "http://localhost:8281/mcp/api/v1/tools/call"
+data = {
+    "jsonrpc": "2.0",
+    "id": 1,
+    "method": "tools/call",
+    "params": {
+        "name": "send_email",
+        "arguments": {
+            "emailAddress": "kimhs@shinhanlife.io",
+            "subject": "AX HUB MCP 연동 테스트 메일",
+            "body": "안녕하세요 김형식님, AI 어시스턴트가 정상적으로 연동되어 발송하는 테스트 이메일입니다."
+        }
+    }
+}
+
+req = urllib.request.Request(url, data=json.dumps(data).encode('utf-8'), headers={'Content-Type': 'application/json'})
+try:
+    with urllib.request.urlopen(req) as response:
+        print(response.read().decode('utf-8'))
+except urllib.error.URLError as e:
+    print(f"Error: {e}")