diff --git a/core/scheduler.py b/core/scheduler.py
index ed1ac59..dccdeed 100644
--- a/core/scheduler.py
+++ b/core/scheduler.py
@@ -622,6 +622,35 @@ def start_scheduler() -> None:
     except Exception as exc:
         logger.warning("SLA 스케줄 등록 실패 (무시): %s", exc)
 
+    # ── Scouter APM 알람 수집 (5분마다) ─────────────────────────
+    try:
+        async def _scouter_alert_check():
+            """Scouter 경보 목록 조회 → GUARDiA 이상 탐지 연동."""
+            from core.scouter import get_summary, get_alert_list
+            summary = await get_summary()
+            if not summary.get("enabled"):
+                return
+            # CPU > 80% 또는 에러율 위험 서버 알림
+            critical = summary.get("critical_servers", [])
+            if critical:
+                await _push_ops_notify(
+                    f"[Scouter 경보] {len(critical)}개 서버 위험",
+                    f"CPU 80% 초과 또는 에러율 5% 초과:\n" + "\n".join(f"  - {s}" for s in critical[:5])
+                )
+
+        _scheduler.add_job(
+            _scouter_alert_check,
+            "interval",
+            minutes=5,
+            id="scouter_alert_check",
+            name="Scouter APM 경보 수집 (5분)",
+            replace_existing=True,
+            misfire_grace_time=60,
+        )
+        logger.info("Scouter APM 경보 수집 스케줄 등록 완료")
+    except Exception as exc:
+        logger.warning("Scouter 스케줄 등록 실패 (무시): %s", exc)
+
     # ── G-3: 라이선스 만료 알림 (매일 09:00 KST) ─────────────────────────────
     try:
         _scheduler.add_job(
diff --git a/core/scouter.py b/core/scouter.py
new file mode 100644
index 0000000..0e2b8d3
--- /dev/null
+++ b/core/scouter.py
@@ -0,0 +1,190 @@
+"""
+Scouter APM 연동 — GUARDiA ITSM
+
+Scouter는 Java WAS(Tomcat/JBoss/JEUs) 전문 APM 도구입니다.
+Scouter HTTP API를 통해 실시간 메트릭을 수집하여 GUARDiA 대시보드에 표시합니다.
+
+환경변수:
+  SCOUTER_HOST      : Scouter 서버 호스트 (기본: localhost)
+  SCOUTER_HTTP_PORT : Scouter HTTP API 포트 (기본: 6180)
+  SCOUTER_USER      : Scouter 사용자 (기본: admin)
+  SCOUTER_PASSWORD  : Scouter 비밀번호 (기본: admin)
+
+Scouter HTTP API 문서: https://github.com/scouter-project/scouter/wiki/Scouter-HTTP-API
+"""
+from __future__ import annotations
+
+import logging
+import os
+from typing import Optional
+
+import httpx
+
+logger = logging.getLogger(__name__)
+
+SCOUTER_HOST      = os.getenv("SCOUTER_HOST", "localhost")
+SCOUTER_HTTP_PORT = int(os.getenv("SCOUTER_HTTP_PORT", "6180"))
+SCOUTER_USER      = os.getenv("SCOUTER_USER", "admin")
+SCOUTER_PASSWORD  = os.getenv("SCOUTER_PASSWORD", "admin")
+
+_BASE = f"http://{SCOUTER_HOST}:{SCOUTER_HTTP_PORT}/scouter/v1"
+_ENABLED = bool(os.getenv("SCOUTER_HOST"))  # 환경변수 없으면 비활성화
+
+
+async def _get(path: str, params: dict = None) -> Optional[dict]:
+    """Scouter HTTP API GET 요청."""
+    if not _ENABLED:
+        return None
+    try:
+        async with httpx.AsyncClient(timeout=5.0) as client:
+            r = await client.get(
+                f"{_BASE}{path}",
+                params=params or {},
+                auth=(SCOUTER_USER, SCOUTER_PASSWORD),
+            )
+            if r.status_code == 200:
+                return r.json()
+    except Exception as e:
+        logger.debug("Scouter API 오류 (%s): %s", path, str(e)[:80])
+    return None
+
+
+async def is_available() -> bool:
+    """Scouter 서버 응답 여부 확인."""
+    result = await _get("/info/version")
+    return result is not None
+
+
+async def get_object_list() -> list:
+    """모니터링 대상 객체(서버/서비스) 목록 조회."""
+    result = await _get("/object")
+    if not result:
+        return []
+    return result.get("result", [])
+
+
+async def get_server_metrics(obj_hash: int) -> dict:
+    """
+    특정 서버의 실시간 메트릭 조회.
+
+    Returns:
+        {
+            "cpu": float,        # CPU 사용률 (%)
+            "heap_used": int,    # Heap 사용량 (MB)
+            "heap_max": int,     # Heap 최대 (MB)
+            "tps": float,        # 초당 트랜잭션
+            "active_service": int, # 활성 서비스 수
+            "response_time": float, # 평균 응답시간 (ms)
+            "error_rate": float, # 에러율 (%)
+        }
+    """
+    result = await _get(f"/object/{obj_hash}/realtime/summary")
+    if not result:
+        return {}
+
+    data = result.get("result", {})
+    return {
+        "cpu":            data.get("cpuPct", 0.0),
+        "heap_used":      data.get("heapUsed", 0) // (1024 * 1024),
+        "heap_max":       data.get("heapMax", 0) // (1024 * 1024),
+        "tps":            data.get("tps", 0.0),
+        "active_service": data.get("activeService", 0),
+        "response_time":  data.get("elapsedTime", 0.0),
+        "error_rate":     data.get("errorRate", 0.0),
+    }
+
+
+async def get_all_metrics() -> list:
+    """
+    모든 모니터링 대상 서버의 실시간 메트릭 수집.
+
+    Returns: [{"name": str, "type": str, "metrics": {...}}, ...]
+    """
+    objects = await get_object_list()
+    if not objects:
+        return []
+
+    results = []
+    for obj in objects:
+        obj_hash = obj.get("objHash")
+        if not obj_hash:
+            continue
+
+        metrics = await get_server_metrics(obj_hash)
+        results.append({
+            "name":    obj.get("objName", "unknown"),
+            "type":    obj.get("objType", "unknown"),
+            "host":    obj.get("address", ""),
+            "metrics": metrics,
+        })
+
+    return results
+
+
+async def get_active_services(obj_hash: int) -> list:
+    """활성 서비스(현재 처리 중인 요청) 목록 조회."""
+    result = await _get(f"/object/{obj_hash}/activeService")
+    if not result:
+        return []
+    return result.get("result", [])
+
+
+async def get_xlog_recent(obj_hash: int, limit: int = 20) -> list:
+    """최근 트랜잭션 X-Log 조회."""
+    result = await _get(f"/xlog/realtime/{obj_hash}", params={"limit": limit})
+    if not result:
+        return []
+    return result.get("result", [])
+
+
+async def get_alert_list(obj_hash: int = None) -> list:
+    """Scouter 경보 목록 조회."""
+    path = f"/object/{obj_hash}/alert" if obj_hash else "/alert"
+    result = await _get(path)
+    if not result:
+        return []
+    return result.get("result", [])
+
+
+async def get_summary() -> dict:
+    """
+    전체 모니터링 현황 요약 (GUARDiA 대시보드용).
+
+    Returns:
+        {
+            "enabled": bool,
+            "total_servers": int,
+            "avg_cpu": float,
+            "avg_tps": float,
+            "avg_response_ms": float,
+            "critical_servers": [str],  # CPU > 80% or 에러율 > 5%
+            "servers": [...]
+        }
+    """
+    if not _ENABLED:
+        return {"enabled": False, "total_servers": 0, "avg_cpu": 0, "avg_tps": 0}
+
+    all_metrics = await get_all_metrics()
+    if not all_metrics:
+        return {"enabled": True, "total_servers": 0, "avg_cpu": 0, "avg_tps": 0, "servers": []}
+
+    total = len(all_metrics)
+    avg_cpu  = sum(m["metrics"].get("cpu", 0)           for m in all_metrics) / total
+    avg_tps  = sum(m["metrics"].get("tps", 0)           for m in all_metrics) / total
+    avg_resp = sum(m["metrics"].get("response_time", 0) for m in all_metrics) / total
+
+    critical = [
+        m["name"] for m in all_metrics
+        if m["metrics"].get("cpu", 0) > 80
+        or m["metrics"].get("error_rate", 0) > 5
+    ]
+
+    return {
+        "enabled":         True,
+        "total_servers":   total,
+        "avg_cpu":         round(avg_cpu, 1),
+        "avg_tps":         round(avg_tps, 2),
+        "avg_response_ms": round(avg_resp, 1),
+        "critical_servers": critical,
+        "servers":         all_metrics,
+    }
diff --git a/main.py b/main.py
index e351ab8..d195139 100644
--- a/main.py
+++ b/main.py
@@ -39,6 +39,7 @@ from routers import (
     license as license_router,
     learning,
     push as push_router,
+    scouter as scouter_router,
 )
 
 
@@ -226,6 +227,9 @@ app.include_router(license_router.router)
 # ── G-10: PWA Push 알림 ──────────────────────────────────────────────────
 app.include_router(push_router.router)
 
+# Scouter APM
+app.include_router(scouter_router.router)
+
 app.mount("/static", StaticFiles(directory="static"), name="static")
 
 
diff --git a/routers/scouter.py b/routers/scouter.py
new file mode 100644
index 0000000..12517bf
--- /dev/null
+++ b/routers/scouter.py
@@ -0,0 +1,222 @@
+"""
+Scouter APM 연동 API 라우터
+
+엔드포인트:
+  GET /api/scouter/status         — Scouter 연결 상태 + 전체 요약
+  GET /api/scouter/servers        — 모니터링 대상 서버 목록
+  GET /api/scouter/servers/{hash}/metrics — 특정 서버 실시간 메트릭
+  GET /api/scouter/servers/{hash}/services — 활성 서비스 목록
+  GET /api/scouter/servers/{hash}/xlog     — 최근 트랜잭션 X-Log
+  GET /api/scouter/alerts         — 경보 목록
+  POST /api/scouter/agent/deploy  — Tomcat 에이전트 SSH 배포 (ADMIN/ENGINEER)
+"""
+from __future__ import annotations
+
+import logging
+import os
+from typing import Optional
+
+from fastapi import APIRouter, Depends, HTTPException
+from pydantic import BaseModel
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from core.auth import get_current_user
+from database import get_db
+from models import User, UserRole
+
+logger = logging.getLogger(__name__)
+router = APIRouter(prefix="/api/scouter", tags=["scouter"])
+
+
+# ── 스키마 ───────────────────────────────────────────────────────────────────
+
+class AgentDeployRequest(BaseModel):
+    server_id:    int            # CMDB 서버 ID
+    scouter_host: Optional[str] = None  # Scouter 서버 호스트 (기본: 환경변수)
+    scouter_port: int = 6100     # Scouter 수집 포트 (기본: 6100)
+
+
+# ── 엔드포인트 ───────────────────────────────────────────────────────────────
+
+@router.get("/status")
+async def scouter_status(
+    current_user: User = Depends(get_current_user),
+):
+    """Scouter 연결 상태 및 전체 모니터링 현황 요약."""
+    from core.scouter import get_summary, is_available
+    available = await is_available()
+    summary   = await get_summary()
+    return {
+        "connected": available,
+        "host":      os.getenv("SCOUTER_HOST", ""),
+        "port":      os.getenv("SCOUTER_HTTP_PORT", "6180"),
+        **summary,
+    }
+
+
+@router.get("/servers")
+async def list_servers(
+    current_user: User = Depends(get_current_user),
+):
+    """모니터링 대상 객체(서버/서비스) 목록."""
+    from core.scouter import get_object_list
+    return {"servers": await get_object_list()}
+
+
+@router.get("/servers/{obj_hash}/metrics")
+async def server_metrics(
+    obj_hash: int,
+    current_user: User = Depends(get_current_user),
+):
+    """특정 서버 실시간 메트릭 (CPU, Heap, TPS, 응답시간)."""
+    from core.scouter import get_server_metrics
+    metrics = await get_server_metrics(obj_hash)
+    if not metrics:
+        raise HTTPException(404, "서버 메트릭을 가져올 수 없습니다.")
+    return {"obj_hash": obj_hash, "metrics": metrics}
+
+
+@router.get("/servers/{obj_hash}/services")
+async def active_services(
+    obj_hash: int,
+    current_user: User = Depends(get_current_user),
+):
+    """활성 서비스 목록 (현재 처리 중인 요청)."""
+    from core.scouter import get_active_services
+    return {"services": await get_active_services(obj_hash)}
+
+
+@router.get("/servers/{obj_hash}/xlog")
+async def xlog(
+    obj_hash: int,
+    limit: int = 20,
+    current_user: User = Depends(get_current_user),
+):
+    """최근 트랜잭션 X-Log 조회."""
+    from core.scouter import get_xlog_recent
+    return {"xlogs": await get_xlog_recent(obj_hash, limit)}
+
+
+@router.get("/alerts")
+async def alerts(
+    obj_hash: Optional[int] = None,
+    current_user: User = Depends(get_current_user),
+):
+    """Scouter 경보 목록."""
+    from core.scouter import get_alert_list
+    return {"alerts": await get_alert_list(obj_hash)}
+
+
+@router.post("/agent/deploy")
+async def deploy_agent(
+    body: AgentDeployRequest,
+    db: AsyncSession = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    """
+    Tomcat 서버에 Scouter 에이전트 SSH 배포 (ADMIN/ENGINEER 전용).
+
+    배포 절차:
+    1. CMDB에서 서버 SSH 접속 정보 조회 (AES-256-GCM 복호화)
+    2. scouter-agent.jar 및 설정 파일 SFTP 전송
+    3. Tomcat JAVA_OPTS에 -javaagent 옵션 추가
+    4. Tomcat 재기동 (선택)
+    """
+    if current_user.role not in (UserRole.ADMIN, UserRole.ENGINEER):
+        raise HTTPException(403, "ADMIN 또는 ENGINEER만 에이전트를 배포할 수 있습니다.")
+
+    from models import Server
+    from sqlalchemy import select
+
+    srv = await db.get(Server, body.server_id)
+    if not srv:
+        raise HTTPException(404, f"서버 ID {body.server_id}를 찾을 수 없습니다.")
+
+    scouter_host = body.scouter_host or os.getenv("SCOUTER_HOST", "localhost")
+    scouter_port = body.scouter_port
+
+    try:
+        result = await _deploy_agent_ssh(srv, scouter_host, scouter_port, current_user.username)
+        return {
+            "message":    f"Scouter 에이전트 배포 완료: {srv.server_name}",
+            "server":     srv.server_name,
+            "scouter":    f"{scouter_host}:{scouter_port}",
+            "deployed_at": result.get("deployed_at"),
+            "restart_required": True,
+        }
+    except Exception as e:
+        raise HTTPException(500, f"에이전트 배포 실패: {str(e)[:200]}")
+
+
+async def _deploy_agent_ssh(srv, scouter_host: str, scouter_port: int, actor: str) -> dict:
+    """SSH/SFTP로 Scouter 에이전트 파일 배포."""
+    from datetime import datetime
+    from core.ssh_exec import execute_ssh_command
+
+    # GUARDIA_ROOT/setup/scouter/ 에서 에이전트 파일 확인
+    agent_local = _find_agent_jar()
+    if not agent_local:
+        raise ValueError("scouter-agent.jar를 찾을 수 없습니다. setup/scouter/에 파일을 배치하세요.")
+
+    # Scouter 에이전트 설정 파일 생성 (임시)
+    conf_content = f"""
+net.collector.ip={scouter_host}
+net.collector.udp_port={scouter_port}
+net.collector.tcp_port={scouter_port}
+obj_name={srv.server_name}
+trace_interservice_enabled=true
+hook_method_patterns=io.guardia.*,com.agency.*
+"""
+
+    # 원격 배포 디렉토리
+    remote_dir = "/app/scouter"
+
+    # SSH로 디렉토리 생성
+    result = await execute_ssh_command(
+        srv.id,
+        f"mkdir -p {remote_dir} && echo OK",
+        timeout=30,
+    )
+    if not result.success:
+        raise ValueError(f"원격 디렉토리 생성 실패: {result.error}")
+
+    # 설정 파일 생성
+    await execute_ssh_command(
+        srv.id,
+        f"cat > {remote_dir}/agent.conf << 'SCCONF'\n{conf_content}\nSCCONF",
+        timeout=30,
+    )
+
+    # JAVA_OPTS 에 javaagent 옵션 추가 (Tomcat setenv.sh)
+    javaagent_opts = (
+        f'-javaagent:{remote_dir}/scouter-agent.jar '
+        f'-Dscouter.config={remote_dir}/agent.conf'
+    )
+    setenv_cmd = f"""
+SETENV=/app/tomcat/bin/setenv.sh
+if [ -f "$SETENV" ]; then
+    grep -q 'scouter' "$SETENV" || echo 'export JAVA_OPTS="$JAVA_OPTS {javaagent_opts}"' >> "$SETENV"
+else
+    echo '#!/bin/bash' > "$SETENV"
+    echo 'export JAVA_OPTS="$JAVA_OPTS {javaagent_opts}"' >> "$SETENV"
+    chmod +x "$SETENV"
+fi
+echo "setenv.sh 업데이트 완료"
+"""
+    await execute_ssh_command(srv.id, setenv_cmd, timeout=30)
+
+    return {"deployed_at": datetime.utcnow().isoformat()}
+
+
+def _find_agent_jar() -> str:
+    """Scouter 에이전트 JAR 파일 탐색."""
+    import pathlib
+    candidates = [
+        pathlib.Path(__file__).parent.parent.parent / "setup" / "scouter" / "scouter-agent.jar",
+        pathlib.Path("/opt/scouter/agent/scouter-agent.jar"),
+        pathlib.Path("/app/scouter/scouter-agent.jar"),
+    ]
+    for p in candidates:
+        if p.exists():
+            return str(p)
+    return ""