diff --git a/server.py b/server.py
index 50e42d0..c901942 100644
--- a/server.py
+++ b/server.py
@@ -40,13 +40,14 @@ _unauthorized = Response(
 
 # ── Agent Profiles ──────────────────────────────────────────────────
 HERMES_BIN = "/home/oplabs/.hermes/hermes-agent/venv/bin/hermes"
-KNOWN_PROFILES = ["coder", "assistant", "artist", "kanban"]
+KNOWN_PROFILES = ["coder", "assistant", "artist", "kanban", "watchdog"]
 
 PROFILE_LABELS = {
     "coder": "Cody (Coder)",
     "assistant": "Ashley (Assistant)",
     "artist": "Artie (Artist)",
     "kanban": "Kanban Manager",
+    "watchdog": "Watchdog (Infra)",
 }
 
 PROFILE_ICONS = {
@@ -54,12 +55,37 @@ PROFILE_ICONS = {
     "assistant": "🤖",
     "artist": "🎨",
     "kanban": "📋",
+    "watchdog": "🛡️",
 }
 
 
 def _get_profile_status(profile: str) -> dict:
     """Check if a Hermes profile gateway process is running."""
     try:
+        # Watchdog runs as a plugin inside the kanban gateway; check its state file
+        if profile == "watchdog":
+            watchdog_state = Path(os.path.expanduser("~/.hermes/workspace/watchdog-state.json"))
+            if watchdog_state.exists():
+                try:
+                    state = json.loads(watchdog_state.read_text())
+                    last_beat = state.get("last_heartbeat", 0)
+                    now = time.time()
+                    # Consider alive if heartbeat within the last 3 hours
+                    if last_beat and (now - last_beat) < 10800:
+                        return {"status": "online", "profile": profile, "last_heartbeat": last_beat}
+                except (json.JSONDecodeError, OSError):
+                    pass
+            # Fallback: check if kanban gateway is running (watchdog rides on it)
+            result = subprocess.run(
+                ["ps", "aux"],
+                capture_output=True, text=True, timeout=10,
+            )
+            for line in result.stdout.splitlines():
+                if "--profile kanban" in line and "gateway run" in line:
+                    return {"status": "online", "profile": profile,
+                            "note": "running via kanban gateway (plugin)"}
+            return {"status": "offline", "profile": profile}
+
         result = subprocess.run(
             ["ps", "aux"],
             capture_output=True, text=True, timeout=10,
@@ -556,6 +582,8 @@ async def auth_middleware(request: Request, call_next):
         return await call_next(request)
     if request.url.path.startswith("/api/network/"):
         return await call_next(request)
+    if request.url.path.startswith("/api/watchdog/"):
+        return await call_next(request)
     if request.url.path == "/" or request.url.path.startswith("/static/") or request.url.path == "/api/agents" or request.url.path.startswith("/api/agents/") and request.method == "GET":
         return await call_next(request)
     if not _check_auth(request.headers.get("Authorization")):
@@ -715,6 +743,82 @@ async def vault_search(q: str = Query(..., min_length=1, description="Search que
     })
 
 
+# ── Watchdog API ─────────────────────────────────────────────────────
+
+WATCHDOG_STATE_PATH = Path(os.path.expanduser("~/.hermes/workspace/watchdog-state.json"))
+WATCHDOG_SCRIPTS_DIR = Path(os.path.expanduser("~/.hermes/scripts"))
+
+
+def _get_watchdog_scripts() -> list[dict]:
+    """List watchdog scripts and their basic info."""
+    scripts = []
+    try:
+        for f in sorted(WATCHDOG_SCRIPTS_DIR.glob("*watchdog*")):
+            if f.suffix in (".sh", ".py"):
+                scripts.append({
+                    "name": f.name,
+                    "path": str(f),
+                    "size": f.stat().st_size,
+                    "modified": int(f.stat().st_mtime),
+                })
+    except OSError:
+        pass
+    return scripts
+
+
+def _get_watchdog_plugins() -> list[dict]:
+    """List watchdog-related plugins."""
+    plugins = []
+    plugin_dir = Path(os.path.expanduser("~/.hermes/plugins"))
+    try:
+        for p in sorted(plugin_dir.glob("*watchdog*")):
+            plugin_yaml = p / "plugin.yaml"
+            if plugin_yaml.exists():
+                try:
+                    meta = yaml.safe_load(plugin_yaml.read_text()) or {}
+                except Exception:
+                    meta = {}
+                plugins.append({
+                    "name": p.name,
+                    "description": meta.get("description", ""),
+                    "version": meta.get("version", ""),
+                })
+    except OSError:
+        pass
+    return plugins
+
+
+@app.get("/api/watchdog/status")
+async def watchdog_status():
+    """Return detailed watchdog agent status (heartbeat, scripts, plugins)."""
+    state = {}
+    state_file = WATCHDOG_STATE_PATH
+    if state_file.exists():
+        try:
+            state = json.loads(state_file.read_text())
+        except (json.JSONDecodeError, OSError):
+            state = {}
+
+    profile_status = _get_profile_status("watchdog")
+
+    # Age of last heartbeat
+    last_heartbeat = state.get("last_heartbeat", 0)
+    if last_heartbeat:
+        age = time.time() - last_heartbeat
+        age_str = f"{age/60:.0f}m ago" if age < 3600 else f"{age/3600:.1f}h ago"
+        state["heartbeat_age_seconds"] = int(age)
+        state["heartbeat_age_str"] = age_str
+
+    return JSONResponse({
+        "status": profile_status["status"],
+        "note": profile_status.get("note", ""),
+        "state": state,
+        "scripts": _get_watchdog_scripts(),
+        "plugins": _get_watchdog_plugins(),
+        "cached_at": time.time(),
+    })
+
+
 # ── Agent Chat API ──────────────────────────────────────────────────
 
 
diff --git a/static/app.js b/static/app.js
index 5c36582..a1b268e 100644
--- a/static/app.js
+++ b/static/app.js
@@ -279,7 +279,7 @@ let chatState = {
     sending: false,
 };
 
-const PROFILE_ICONS = { coder: '💻', assistant: '🤖', artist: '🎨', kanban: '📋' };
+const PROFILE_ICONS = { coder: '💻', assistant: '🤖', artist: '🎨', kanban: '📋', watchdog: '🛡️' };
 
 async function loadAgentProfiles() {
     try {
diff --git a/static/index.html b/static/index.html
index 8dd9ad3..786f676 100644
--- a/static/index.html
+++ b/static/index.html
@@ -286,7 +286,7 @@
 
         </main>
     </div>
-    <script src="/static/app.js?v=2"></script>
+    <script src="/static/app.js?v=3"></script>
     <script src="/static/vault.js?v=2"></script>
 </body>
 </html>