diff --git a/MISSION_BRIEF.md b/MISSION_BRIEF.md
index f8e0a344..bb60ac5f 100644
--- a/MISSION_BRIEF.md
+++ b/MISSION_BRIEF.md
@@ -1,5 +1,5 @@
 
-# 🚀 GADDS MISSION BRIEFING - 2026-02-17 15:10
+# 🚀 GADDS MISSION BRIEFING - 2026-02-17 14:49
 
 ## 📊 Status do Sistema
 - **Git Status:** ✅ Limpo e Sincronizado
diff --git a/gadds-dev/gadds-brain/__pycache__/main.cpython-312.pyc b/gadds-dev/gadds-brain/__pycache__/main.cpython-312.pyc
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index 00000000..54cae8e6
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diff --git a/gadds-dev/gadds-brain/routers/__pycache__/integrations.cpython-312.pyc b/gadds-dev/gadds-brain/routers/__pycache__/integrations.cpython-312.pyc
new file mode 100644
index 00000000..789553fb
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diff --git a/gadds-dev/gadds-brain/routers/__pycache__/system.cpython-312.pyc b/gadds-dev/gadds-brain/routers/__pycache__/system.cpython-312.pyc
new file mode 100644
index 00000000..8837a24e
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diff --git a/gadds-dev/gadds-brain/routers/agent.py b/gadds-dev/gadds-brain/routers/agent.py
index 91016598..f0da44d9 100644
--- a/gadds-dev/gadds-brain/routers/agent.py
+++ b/gadds-dev/gadds-brain/routers/agent.py
@@ -2,7 +2,7 @@
 from pydantic import BaseModel
 from typing import Optional
 import os
-from services import agent_service
+from services import agent_service, gemini_service
 
 router = APIRouter(
     prefix="/agent",
@@ -34,3 +34,8 @@ def get_diagnostics(token: str = Depends(verify_agent_token)):
 def execute_action(request: AgentActionRequest, token: str = Depends(verify_agent_token)):
     result = agent_service.execute_action(request.action, request.target)
     return result
+
+@router.get("/manifest")
+def agent_manifest():
+    """Returns the Function Calling definitions for Gemini/LLMs."""
+    return {"tools": gemini_service.get_tool_manifest()}
diff --git a/gadds-dev/gadds-brain/routers/integrations.py b/gadds-dev/gadds-brain/routers/integrations.py
new file mode 100644
index 00000000..5c1da9a0
--- /dev/null
+++ b/gadds-dev/gadds-brain/routers/integrations.py
@@ -0,0 +1,26 @@
+from fastapi import APIRouter, Header, HTTPException
+from pydantic import BaseModel
+from services import agent_service, cloudflare_service
+
+router = APIRouter(
+    tags=["Integrations"],
+)
+
+class DNSRecordRequest(BaseModel):
+    zone_id: str
+    type: str
+    name: str
+    content: str
+    proxied: bool = True
+
+@router.get("/integrations/cloudflare/zones")
+def cf_list_zones(x_agent_token: str = Header(None)):
+    if not agent_service.verify_token(x_agent_token):
+        raise HTTPException(status_code=403, detail="Unauthorized")
+    return cloudflare_service.list_zones()
+
+@router.post("/integrations/cloudflare/dns")
+def cf_add_dns(req: DNSRecordRequest, x_agent_token: str = Header(None)):
+    if not agent_service.verify_token(x_agent_token):
+        raise HTTPException(status_code=403, detail="Unauthorized")
+    return cloudflare_service.add_dns_record(req.zone_id, req.type, req.name, req.content, req.proxied)
diff --git a/gadds-dev/gadds-brain/routers/system.py b/gadds-dev/gadds-brain/routers/system.py
new file mode 100644
index 00000000..ee8649d7
--- /dev/null
+++ b/gadds-dev/gadds-brain/routers/system.py
@@ -0,0 +1,39 @@
+from fastapi import APIRouter
+from pydantic import BaseModel
+import json
+import os
+
+router = APIRouter(
+    tags=["System"],
+)
+
+class MaintenanceSettings(BaseModel):
+    enabled: bool
+
+# --- HELPERS ---
+SETTINGS_FILE = "system_config.json"
+
+def load_settings():
+    if not os.path.exists(SETTINGS_FILE):
+        return {"maintenance_enabled": False}
+    try:
+        with open(SETTINGS_FILE, "r") as f:
+            return json.load(f)
+    except:
+        return {"maintenance_enabled": False}
+
+def save_settings(settings):
+    with open(SETTINGS_FILE, "w") as f:
+        json.dump(settings, f)
+
+@router.get("/settings/maintenance")
+def get_maintenance_settings():
+    settings = load_settings()
+    return {"enabled": settings.get("maintenance_enabled", False)}
+
+@router.post("/settings/maintenance")
+def update_maintenance_settings(settings: MaintenanceSettings):
+    current_settings = load_settings()
+    current_settings["maintenance_enabled"] = settings.enabled
+    save_settings(current_settings)
+    return {"status": "updated", "enabled": settings.enabled}
diff --git a/gadds-dev/gadds-brain/services/__pycache__/gemini_service.cpython-312.pyc b/gadds-dev/gadds-brain/services/__pycache__/gemini_service.cpython-312.pyc
new file mode 100644
index 00000000..ac371940
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diff --git a/gadds-dev/gadds-brain/test_devops_router.py b/gadds-dev/gadds-brain/test_devops_router.py
index cca5bd00..892acd0a 100644
--- a/gadds-dev/gadds-brain/test_devops_router.py
+++ b/gadds-dev/gadds-brain/test_devops_router.py
@@ -1,5 +1,6 @@
 from fastapi.testclient import TestClient
 from main import app, get_current_user
+from routers.devops import get_current_admin_user
 from unittest.mock import patch
 
 client = TestClient(app)
@@ -7,7 +8,11 @@
 def mock_get_current_user():
     return "testuser"
 
+def mock_get_current_admin_user():
+    return {"username": "admin", "role": "admin"}
+
 app.dependency_overrides[get_current_user] = mock_get_current_user
+app.dependency_overrides[get_current_admin_user] = mock_get_current_admin_user
 
 def test_devops_router_registered():
     response = client.get("/openapi.json")