diff --git a/src/clients/homeassistant_client.py b/src/clients/homeassistant_client.py
new file mode 100644
index 0000000..873007f
--- /dev/null
+++ b/src/clients/homeassistant_client.py
@@ -0,0 +1,409 @@
+"""
+Home Assistant REST API Client
+
+Provides interface to Home Assistant REST API for home automation control.
+Uses long-lived access token authentication.
+API Reference: https://developers.home-assistant.io/docs/api/rest/
+"""
+import httpx
+import json
+from typing import Optional, Dict, List, Any
+from datetime import datetime, timedelta, timezone
+from src.logging_config import get_logger
+from src.config import get_settings
+
+logger = get_logger(__name__)
+settings = get_settings()
+
+
+class HomeAssistantClient:
+    """
+    HTTP client for Home Assistant REST API
+
+    Uses long-lived access token authentication via Bearer token.
+    """
+
+    def __init__(
+        self,
+        base_url: Optional[str] = None,
+        token: Optional[str] = None,
+        timeout: int = 30
+    ):
+        """
+        Initialize Home Assistant client
+
+        Args:
+            base_url: Home Assistant base URL (default from settings)
+            token: Long-lived access token (default from settings)
+            timeout: Request timeout in seconds
+        """
+        self.base_url = (base_url or settings.homeassistant_url).rstrip("/")
+        self.token = token or settings.homeassistant_token
+        self.timeout = timeout
+
+        if not self.token:
+            logger.warning("Home Assistant token not configured")
+
+    def _get_headers(self) -> Dict[str, str]:
+        """Get request headers with Bearer token authentication"""
+        return {
+            "Authorization": f"Bearer {self.token}",
+            "Content-Type": "application/json"
+        }
+
+    # ========================================================================
+    # Health & Discovery
+    # ========================================================================
+
+    async def health_check(self) -> Dict[str, Any]:
+        """
+        Check Home Assistant API connectivity and get version info
+
+        HA Endpoint: GET /api/
+
+        Returns:
+            Dict with connected status, platform name, and version
+        """
+        try:
+            async with httpx.AsyncClient(timeout=self.timeout) as client:
+                response = await client.get(
+                    f"{self.base_url}/api/",
+                    headers=self._get_headers()
+                )
+                if response.status_code == 200:
+                    data = response.json()
+                    return {
+                        "status": "healthy",
+                        "connected": True,
+                        "platform": "home_assistant",
+                        "version": data.get("version", "unknown")
+                    }
+                return {
+                    "status": "unhealthy",
+                    "connected": False,
+                    "platform": "home_assistant",
+                    "error": f"HTTP {response.status_code}"
+                }
+        except Exception as e:
+            logger.error(f"Home Assistant health check failed: {e}")
+            return {
+                "status": "unhealthy",
+                "connected": False,
+                "platform": "home_assistant",
+                "error": str(e)
+            }
+
+    async def get_states(self) -> List[Dict[str, Any]]:
+        """
+        Get all entity states
+
+        HA Endpoint: GET /api/states
+
+        Returns:
+            List of all entity states
+        """
+        async with httpx.AsyncClient(timeout=self.timeout) as client:
+            response = await client.get(
+                f"{self.base_url}/api/states",
+                headers=self._get_headers()
+            )
+            response.raise_for_status()
+            return response.json()
+
+    async def get_state(self, entity_id: str) -> Optional[Dict[str, Any]]:
+        """
+        Get state of a specific entity
+
+        HA Endpoint: GET /api/states/<entity_id>
+
+        Args:
+            entity_id: Entity ID (e.g., "light.living_room")
+
+        Returns:
+            Entity state dict or None if not found
+        """
+        async with httpx.AsyncClient(timeout=self.timeout) as client:
+            response = await client.get(
+                f"{self.base_url}/api/states/{entity_id}",
+                headers=self._get_headers()
+            )
+            if response.status_code == 404:
+                return None
+            response.raise_for_status()
+            return response.json()
+
+    async def get_config(self) -> Dict[str, Any]:
+        """
+        Get Home Assistant configuration (includes areas)
+
+        HA Endpoint: GET /api/config
+
+        Returns:
+            Configuration dict including components, location, etc.
+        """
+        async with httpx.AsyncClient(timeout=self.timeout) as client:
+            response = await client.get(
+                f"{self.base_url}/api/config",
+                headers=self._get_headers()
+            )
+            response.raise_for_status()
+            return response.json()
+
+    # ========================================================================
+    # Device Control
+    # ========================================================================
+
+    async def call_service(
+        self,
+        domain: str,
+        service: str,
+        entity_id: Optional[str] = None,
+        service_data: Optional[Dict[str, Any]] = None
+    ) -> List[Dict[str, Any]]:
+        """
+        Call a Home Assistant service
+
+        HA Endpoint: POST /api/services/<domain>/<service>
+
+        Args:
+            domain: Service domain (e.g., "light", "switch", "scene")
+            service: Service name (e.g., "turn_on", "turn_off", "toggle")
+            entity_id: Target entity ID (optional for some services)
+            service_data: Additional service data/attributes
+
+        Returns:
+            List of changed states
+        """
+        payload = service_data.copy() if service_data else {}
+        if entity_id:
+            payload["entity_id"] = entity_id
+
+        async with httpx.AsyncClient(timeout=self.timeout) as client:
+            response = await client.post(
+                f"{self.base_url}/api/services/{domain}/{service}",
+                headers=self._get_headers(),
+                json=payload
+            )
+            response.raise_for_status()
+            return response.json()
+
+    async def turn_on(
+        self,
+        entity_id: str,
+        **attributes
+    ) -> List[Dict[str, Any]]:
+        """
+        Turn on an entity with optional attributes
+
+        Args:
+            entity_id: Entity ID (e.g., "light.living_room")
+            **attributes: Additional attributes (brightness, color_temp, etc.)
+
+        Returns:
+            List of changed states
+        """
+        domain = entity_id.split(".")[0]
+        return await self.call_service(
+            domain=domain,
+            service="turn_on",
+            entity_id=entity_id,
+            service_data=attributes if attributes else None
+        )
+
+    async def turn_off(self, entity_id: str) -> List[Dict[str, Any]]:
+        """
+        Turn off an entity
+
+        Args:
+            entity_id: Entity ID
+
+        Returns:
+            List of changed states
+        """
+        domain = entity_id.split(".")[0]
+        return await self.call_service(
+            domain=domain,
+            service="turn_off",
+            entity_id=entity_id
+        )
+
+    async def toggle(self, entity_id: str) -> List[Dict[str, Any]]:
+        """
+        Toggle an entity
+
+        Args:
+            entity_id: Entity ID
+
+        Returns:
+            List of changed states
+        """
+        domain = entity_id.split(".")[0]
+        return await self.call_service(
+            domain=domain,
+            service="toggle",
+            entity_id=entity_id
+        )
+
+    # ========================================================================
+    # Scenes
+    # ========================================================================
+
+    async def activate_scene(self, scene_id: str) -> List[Dict[str, Any]]:
+        """
+        Activate a scene
+
+        Args:
+            scene_id: Scene entity ID (e.g., "scene.movie_night")
+
+        Returns:
+            List of changed states
+        """
+        return await self.call_service(
+            domain="scene",
+            service="turn_on",
+            entity_id=scene_id
+        )
+
+    # ========================================================================
+    # Scripts
+    # ========================================================================
+
+    async def run_script(
+        self,
+        script_id: str,
+        variables: Optional[Dict[str, Any]] = None
+    ) -> List[Dict[str, Any]]:
+        """
+        Execute a script with optional variables
+
+        Args:
+            script_id: Script entity ID (e.g., "script.bedtime_routine")
+            variables: Script variables
+
+        Returns:
+            List of changed states
+        """
+        service_data = {"variables": variables} if variables else None
+        return await self.call_service(
+            domain="script",
+            service="turn_on",
+            entity_id=script_id,
+            service_data=service_data
+        )
+
+    # ========================================================================
+    # Automations
+    # ========================================================================
+
+    async def enable_automation(self, automation_id: str) -> List[Dict[str, Any]]:
+        """
+        Enable an automation
+
+        Args:
+            automation_id: Automation entity ID
+
+        Returns:
+            List of changed states
+        """
+        return await self.call_service(
+            domain="automation",
+            service="turn_on",
+            entity_id=automation_id
+        )
+
+    async def disable_automation(self, automation_id: str) -> List[Dict[str, Any]]:
+        """
+        Disable an automation
+
+        Args:
+            automation_id: Automation entity ID
+
+        Returns:
+            List of changed states
+        """
+        return await self.call_service(
+            domain="automation",
+            service="turn_off",
+            entity_id=automation_id
+        )
+
+    # ========================================================================
+    # History
+    # ========================================================================
+
+    async def get_history(
+        self,
+        entity_id: str,
+        hours: int = 24
+    ) -> List[List[Dict[str, Any]]]:
+        """
+        Get state history for an entity
+
+        HA Endpoint: GET /api/history/period/<timestamp>
+
+        Args:
+            entity_id: Entity ID to get history for
+            hours: Number of hours of history (default 24)
+
+        Returns:
+            List of state history entries
+        """
+        start_time = datetime.now(timezone.utc) - timedelta(hours=hours)
+        timestamp = start_time.isoformat()
+
+        async with httpx.AsyncClient(timeout=self.timeout) as client:
+            response = await client.get(
+                f"{self.base_url}/api/history/period/{timestamp}",
+                headers=self._get_headers(),
+                params={
+                    "filter_entity_id": entity_id,
+                    "minimal_response": "true"
+                }
+            )
+            response.raise_for_status()
+            return response.json()
+
+    # ========================================================================
+    # Areas (via template API)
+    # ========================================================================
+
+    async def get_areas(self) -> List[Dict[str, str]]:
+        """
+        Get all areas/rooms
+
+        Note: The REST API doesn't have a direct areas endpoint.
+        This uses the template API to render area data.
+
+        HA Endpoint: POST /api/template
+
+        Returns:
+            List of area dicts with id and name
+        """
+        template = """
+{% set areas_list = [] %}
+{% for area in areas() %}
+  {% set areas_list = areas_list + [{"id": area, "name": area_name(area)}] %}
+{% endfor %}
+{{ areas_list | tojson }}
+"""
+        async with httpx.AsyncClient(timeout=self.timeout) as client:
+            response = await client.post(
+                f"{self.base_url}/api/template",
+                headers=self._get_headers(),
+                json={"template": template}
+            )
+            response.raise_for_status()
+            # Response is rendered template as string
+            return json.loads(response.text)
+
+
+# Singleton instance
+_homeassistant_client: Optional[HomeAssistantClient] = None
+
+
+def get_homeassistant_client() -> HomeAssistantClient:
+    """Get singleton Home Assistant client instance"""
+    global _homeassistant_client
+    if _homeassistant_client is None:
+        _homeassistant_client = HomeAssistantClient()
+    return _homeassistant_client
diff --git a/src/config.py b/src/config.py
index 5c3c6b6..59e3884 100644
--- a/src/config.py
+++ b/src/config.py
@@ -26,7 +26,8 @@ try:
         PORTAINER_URL, PORTAINER_API_KEY,
         NPM_URL, NPM_EMAIL, NPM_PASSWORD,
         BRAVE_SEARCH_API_KEY,
-        GOOGLE_SEARCH_API_KEY, GOOGLE_SEARCH_ENGINE_ID
+        GOOGLE_SEARCH_API_KEY, GOOGLE_SEARCH_ENGINE_ID,
+        HOMEASSISTANT_URL, HOMEASSISTANT_TOKEN
     )
 except ImportError:
     # Fallback to empty strings if credentials.py doesn't exist
@@ -39,6 +40,8 @@ except ImportError:
     BRAVE_SEARCH_API_KEY = ""
     GOOGLE_SEARCH_API_KEY = ""
     GOOGLE_SEARCH_ENGINE_ID = ""
+    HOMEASSISTANT_URL = "http://localhost:8123"
+    HOMEASSISTANT_TOKEN = ""
 
 
 class Settings(BaseSettings):
@@ -122,6 +125,11 @@ class Settings(BaseSettings):
     npm_email: str = NPM_EMAIL
     npm_password: str = NPM_PASSWORD
 
+    # Home Assistant Configuration
+    homeassistant_url: str = HOMEASSISTANT_URL
+    homeassistant_token: str = HOMEASSISTANT_TOKEN
+    homeassistant_timeout: int = 30
+
     # Core-AI Service (AI performance metrics)
     core_ai_base_url: str = "http://core-ai:8086"
 
diff --git a/src/controllers/housekeeping_controller.py b/src/controllers/housekeeping_controller.py
new file mode 100644
index 0000000..4b37421
--- /dev/null
+++ b/src/controllers/housekeeping_controller.py
@@ -0,0 +1,744 @@
+"""
+Housekeeping Controller
+
+Provides API endpoints for home automation via Home Assistant.
+Designed for the Tatlock Housekeeper agent and other consumers.
+"""
+from fastapi import APIRouter, HTTPException, Query, Depends
+from typing import List, Dict, Any, Optional
+from pydantic import BaseModel, Field
+
+from src.controllers.base import BaseController
+from src.clients.homeassistant_client import get_homeassistant_client
+from src.logging_config import get_logger
+from src.auth.oidc import get_admin_user
+
+logger = get_logger(__name__)
+
+
+# ========================================================================
+# Pydantic Schemas
+# ========================================================================
+
+class Device(BaseModel):
+    """Device/entity information"""
+    entity_id: str
+    name: str
+    domain: str
+    area: Optional[str] = None
+    state: str
+    attributes: Dict[str, Any] = {}
+    last_changed: Optional[str] = None
+
+
+class DeviceListResponse(BaseModel):
+    """Response for device listing"""
+    devices: List[Device]
+
+
+class DeviceDetailResponse(Device):
+    """Detailed device response"""
+    pass
+
+
+class Area(BaseModel):
+    """Area/room information"""
+    id: str
+    name: str
+
+
+class AreaListResponse(BaseModel):
+    """Response for area listing"""
+    areas: List[Area]
+
+
+class DeviceControlRequest(BaseModel):
+    """Request to control a device"""
+    action: str = Field(..., description="Action: turn_on, turn_off, or toggle")
+    brightness: Optional[int] = Field(None, ge=0, le=255)
+    color_temp: Optional[int] = None
+    rgb_color: Optional[List[int]] = None
+
+    class Config:
+        extra = "allow"  # Allow additional attributes
+
+
+class DeviceControlResponse(BaseModel):
+    """Response from device control"""
+    success: bool
+    entity_id: str
+    new_state: Optional[str] = None
+    message: str
+
+
+class Scene(BaseModel):
+    """Scene information"""
+    id: str
+    name: str
+
+
+class SceneListResponse(BaseModel):
+    """Response for scene listing"""
+    scenes: List[Scene]
+
+
+class SceneActivateResponse(BaseModel):
+    """Response from scene activation"""
+    success: bool
+    scene_id: str
+    message: str
+
+
+class Script(BaseModel):
+    """Script information"""
+    id: str
+    name: str
+
+
+class ScriptListResponse(BaseModel):
+    """Response for script listing"""
+    scripts: List[Script]
+
+
+class ScriptRunRequest(BaseModel):
+    """Request to run a script"""
+    variables: Optional[Dict[str, Any]] = None
+
+
+class ScriptRunResponse(BaseModel):
+    """Response from script execution"""
+    success: bool
+    script_id: str
+    message: str
+
+
+class Automation(BaseModel):
+    """Automation information"""
+    id: str
+    name: str
+    enabled: bool
+
+
+class AutomationListResponse(BaseModel):
+    """Response for automation listing"""
+    automations: List[Automation]
+
+
+class AutomationToggleRequest(BaseModel):
+    """Request to toggle automation"""
+    enabled: bool
+
+
+class AutomationToggleResponse(BaseModel):
+    """Response from automation toggle"""
+    success: bool
+    automation_id: str
+    enabled: bool
+    message: str
+
+
+class HistoryEntry(BaseModel):
+    """Single history entry"""
+    state: str
+    timestamp: str
+    attributes: Dict[str, Any] = {}
+
+
+class HistoryResponse(BaseModel):
+    """Response for history query"""
+    entity_id: str
+    history: List[HistoryEntry]
+
+
+class HealthResponse(BaseModel):
+    """Health check response"""
+    status: str
+    connected: bool
+    platform: str
+    version: Optional[str] = None
+    error: Optional[str] = None
+
+
+class ErrorResponse(BaseModel):
+    """Standard error response"""
+    error: bool = True
+    code: str
+    message: str
+
+
+# ========================================================================
+# Controller
+# ========================================================================
+
+class HousekeepingController(BaseController):
+    """
+    Controller for home automation operations
+
+    Provides endpoints for:
+    - Device discovery and control
+    - Scene activation
+    - Script execution
+    - Automation management
+    - State history
+    """
+
+    def __init__(self):
+        super().__init__(prefix="/housekeeping", tags=["Housekeeping"])
+
+    def create_router(self) -> APIRouter:
+        """Create and configure the router"""
+        router = APIRouter(prefix=self.prefix, tags=self.tags)
+
+        # ====================================================================
+        # Health
+        # ====================================================================
+
+        @router.get(
+            "/health",
+            response_model=HealthResponse,
+            summary="Home automation health check"
+        )
+        async def get_health():
+            """
+            Check Home Assistant connection health
+
+            Returns connection status and HA version.
+            """
+            ha = get_homeassistant_client()
+            return await ha.health_check()
+
+        # ====================================================================
+        # Device Discovery
+        # ====================================================================
+
+        @router.get(
+            "/devices",
+            response_model=DeviceListResponse,
+            summary="List available devices"
+        )
+        async def list_devices(
+            domain: Optional[str] = Query(None, description="Filter by domain (light, switch, climate, etc.)"),
+            area: Optional[str] = Query(None, description="Filter by area/room name")
+        ):
+            """
+            List all available devices with optional filtering
+
+            Query Parameters:
+            - domain: Filter by device type (light, switch, climate, media_player, etc.)
+            - area: Filter by area/room name
+            """
+            ha = get_homeassistant_client()
+
+            try:
+                states = await ha.get_states()
+
+                # Non-controllable domains to filter out
+                excluded_domains = {
+                    "zone", "person", "device_tracker", "sun", "weather",
+                    "persistent_notification", "update", "binary_sensor", "sensor",
+                    "conversation", "calendar", "button", "number", "select",
+                    "text", "time", "date", "datetime", "image", "tts", "stt"
+                }
+
+                devices = []
+                for state in states:
+                    entity_id = state.get("entity_id", "")
+                    entity_domain = entity_id.split(".")[0] if "." in entity_id else ""
+
+                    # Skip non-controllable entities
+                    if entity_domain in excluded_domains:
+                        continue
+
+                    # Apply domain filter
+                    if domain and entity_domain != domain:
+                        continue
+
+                    # Get area from attributes
+                    device_area = state.get("attributes", {}).get("area_id")
+
+                    # Apply area filter
+                    if area and device_area and area.lower() not in device_area.lower():
+                        continue
+
+                    device = Device(
+                        entity_id=entity_id,
+                        name=state.get("attributes", {}).get("friendly_name", entity_id),
+                        domain=entity_domain,
+                        area=device_area,
+                        state=state.get("state", "unknown"),
+                        attributes=state.get("attributes", {}),
+                        last_changed=state.get("last_changed")
+                    )
+                    devices.append(device)
+
+                return DeviceListResponse(devices=devices)
+
+            except Exception as e:
+                logger.error(f"Failed to list devices: {e}")
+                raise HTTPException(
+                    status_code=500,
+                    detail={"error": True, "code": "CONNECTION_ERROR", "message": str(e)}
+                )
+
+        @router.get(
+            "/devices/{entity_id:path}",
+            response_model=DeviceDetailResponse,
+            responses={404: {"model": ErrorResponse}}
+        )
+        async def get_device(entity_id: str):
+            """
+            Get detailed state of a specific device
+
+            Args:
+                entity_id: Entity ID (e.g., light.living_room)
+            """
+            ha = get_homeassistant_client()
+
+            try:
+                state = await ha.get_state(entity_id)
+
+                if not state:
+                    raise HTTPException(
+                        status_code=404,
+                        detail={"error": True, "code": "DEVICE_NOT_FOUND",
+                               "message": f"Device {entity_id} not found"}
+                    )
+
+                entity_domain = entity_id.split(".")[0] if "." in entity_id else ""
+
+                return DeviceDetailResponse(
+                    entity_id=entity_id,
+                    name=state.get("attributes", {}).get("friendly_name", entity_id),
+                    domain=entity_domain,
+                    area=state.get("attributes", {}).get("area_id"),
+                    state=state.get("state", "unknown"),
+                    attributes=state.get("attributes", {}),
+                    last_changed=state.get("last_changed")
+                )
+
+            except HTTPException:
+                raise
+            except Exception as e:
+                logger.error(f"Failed to get device {entity_id}: {e}")
+                raise HTTPException(
+                    status_code=500,
+                    detail={"error": True, "code": "CONNECTION_ERROR", "message": str(e)}
+                )
+
+        @router.get(
+            "/areas",
+            response_model=AreaListResponse,
+            summary="List areas/rooms"
+        )
+        async def list_areas():
+            """
+            List all configured areas/rooms in Home Assistant
+            """
+            ha = get_homeassistant_client()
+
+            try:
+                areas = await ha.get_areas()
+                return AreaListResponse(
+                    areas=[Area(id=a["id"], name=a["name"]) for a in areas]
+                )
+            except Exception as e:
+                logger.error(f"Failed to list areas: {e}")
+                raise HTTPException(
+                    status_code=500,
+                    detail={"error": True, "code": "CONNECTION_ERROR", "message": str(e)}
+                )
+
+        # ====================================================================
+        # Device Control
+        # ====================================================================
+
+        @router.post(
+            "/devices/{entity_id:path}/control",
+            response_model=DeviceControlResponse,
+            responses={404: {"model": ErrorResponse}, 400: {"model": ErrorResponse}}
+        )
+        async def control_device(
+            entity_id: str,
+            request: DeviceControlRequest,
+            user: Dict = Depends(get_admin_user)
+        ):
+            """
+            Control a device (turn on, turn off, toggle, or set attributes)
+
+            Args:
+                entity_id: Entity ID (e.g., light.living_room)
+                request: Control request with action and optional attributes
+            """
+            ha = get_homeassistant_client()
+
+            # Validate action
+            valid_actions = ["turn_on", "turn_off", "toggle"]
+            if request.action not in valid_actions:
+                raise HTTPException(
+                    status_code=400,
+                    detail={"error": True, "code": "INVALID_ACTION",
+                           "message": f"Invalid action '{request.action}'. Must be one of: {', '.join(valid_actions)}"}
+                )
+
+            try:
+                # Check device exists first
+                current_state = await ha.get_state(entity_id)
+                if not current_state:
+                    raise HTTPException(
+                        status_code=404,
+                        detail={"error": True, "code": "DEVICE_NOT_FOUND",
+                               "message": f"Device {entity_id} not found"}
+                    )
+
+                # Build attributes dict from request
+                attributes = {}
+                if request.brightness is not None:
+                    attributes["brightness"] = request.brightness
+                if request.color_temp is not None:
+                    attributes["color_temp"] = request.color_temp
+                if request.rgb_color is not None:
+                    attributes["rgb_color"] = request.rgb_color
+
+                # Add any extra attributes from request
+                extra_fields = request.model_dump(exclude={"action", "brightness", "color_temp", "rgb_color"})
+                for key, value in extra_fields.items():
+                    if value is not None:
+                        attributes[key] = value
+
+                # Execute action
+                if request.action == "turn_on":
+                    await ha.turn_on(entity_id, **attributes)
+                elif request.action == "turn_off":
+                    await ha.turn_off(entity_id)
+                else:  # toggle
+                    await ha.toggle(entity_id)
+
+                # Get new state
+                new_state = await ha.get_state(entity_id)
+
+                logger.info(f"Device {entity_id} controlled: {request.action} by {user.get('preferred_username', 'unknown')}")
+
+                return DeviceControlResponse(
+                    success=True,
+                    entity_id=entity_id,
+                    new_state=new_state.get("state") if new_state else None,
+                    message=f"Device {request.action} successful"
+                )
+
+            except HTTPException:
+                raise
+            except Exception as e:
+                logger.error(f"Failed to control device {entity_id}: {e}")
+                raise HTTPException(
+                    status_code=500,
+                    detail={"error": True, "code": "CONNECTION_ERROR", "message": str(e)}
+                )
+
+        # ====================================================================
+        # Scenes
+        # ====================================================================
+
+        @router.get(
+            "/scenes",
+            response_model=SceneListResponse,
+            summary="List available scenes"
+        )
+        async def list_scenes():
+            """
+            List all available scenes in Home Assistant
+            """
+            ha = get_homeassistant_client()
+
+            try:
+                states = await ha.get_states()
+
+                scenes = [
+                    Scene(
+                        id=s["entity_id"],
+                        name=s.get("attributes", {}).get("friendly_name", s["entity_id"])
+                    )
+                    for s in states
+                    if s["entity_id"].startswith("scene.")
+                ]
+
+                return SceneListResponse(scenes=scenes)
+
+            except Exception as e:
+                logger.error(f"Failed to list scenes: {e}")
+                raise HTTPException(
+                    status_code=500,
+                    detail={"error": True, "code": "CONNECTION_ERROR", "message": str(e)}
+                )
+
+        @router.post(
+            "/scenes/{scene_id:path}/activate",
+            response_model=SceneActivateResponse,
+            responses={404: {"model": ErrorResponse}}
+        )
+        async def activate_scene(
+            scene_id: str,
+            user: Dict = Depends(get_admin_user)
+        ):
+            """
+            Activate a scene
+
+            Args:
+                scene_id: Scene entity ID (e.g., scene.movie_night)
+            """
+            ha = get_homeassistant_client()
+
+            try:
+                # Verify scene exists
+                state = await ha.get_state(scene_id)
+                if not state:
+                    raise HTTPException(
+                        status_code=404,
+                        detail={"error": True, "code": "SCENE_NOT_FOUND",
+                               "message": f"Scene {scene_id} not found"}
+                    )
+
+                await ha.activate_scene(scene_id)
+
+                logger.info(f"Scene {scene_id} activated by {user.get('preferred_username', 'unknown')}")
+
+                return SceneActivateResponse(
+                    success=True,
+                    scene_id=scene_id,
+                    message="Scene activated"
+                )
+
+            except HTTPException:
+                raise
+            except Exception as e:
+                logger.error(f"Failed to activate scene {scene_id}: {e}")
+                raise HTTPException(
+                    status_code=500,
+                    detail={"error": True, "code": "CONNECTION_ERROR", "message": str(e)}
+                )
+
+        # ====================================================================
+        # Scripts
+        # ====================================================================
+
+        @router.get(
+            "/scripts",
+            response_model=ScriptListResponse,
+            summary="List available scripts"
+        )
+        async def list_scripts():
+            """
+            List all available scripts/sequences in Home Assistant
+            """
+            ha = get_homeassistant_client()
+
+            try:
+                states = await ha.get_states()
+
+                scripts = [
+                    Script(
+                        id=s["entity_id"],
+                        name=s.get("attributes", {}).get("friendly_name", s["entity_id"])
+                    )
+                    for s in states
+                    if s["entity_id"].startswith("script.")
+                ]
+
+                return ScriptListResponse(scripts=scripts)
+
+            except Exception as e:
+                logger.error(f"Failed to list scripts: {e}")
+                raise HTTPException(
+                    status_code=500,
+                    detail={"error": True, "code": "CONNECTION_ERROR", "message": str(e)}
+                )
+
+        @router.post(
+            "/scripts/{script_id:path}/run",
+            response_model=ScriptRunResponse,
+            responses={404: {"model": ErrorResponse}}
+        )
+        async def run_script(
+            script_id: str,
+            request: Optional[ScriptRunRequest] = None,
+            user: Dict = Depends(get_admin_user)
+        ):
+            """
+            Execute a script with optional variables
+
+            Args:
+                script_id: Script entity ID (e.g., script.bedtime_routine)
+                request: Optional variables for the script
+            """
+            ha = get_homeassistant_client()
+
+            try:
+                # Verify script exists
+                state = await ha.get_state(script_id)
+                if not state:
+                    raise HTTPException(
+                        status_code=404,
+                        detail={"error": True, "code": "SCRIPT_NOT_FOUND",
+                               "message": f"Script {script_id} not found"}
+                    )
+
+                variables = request.variables if request else None
+                await ha.run_script(script_id, variables)
+
+                logger.info(f"Script {script_id} executed by {user.get('preferred_username', 'unknown')}")
+
+                return ScriptRunResponse(
+                    success=True,
+                    script_id=script_id,
+                    message="Script executed"
+                )
+
+            except HTTPException:
+                raise
+            except Exception as e:
+                logger.error(f"Failed to run script {script_id}: {e}")
+                raise HTTPException(
+                    status_code=500,
+                    detail={"error": True, "code": "CONNECTION_ERROR", "message": str(e)}
+                )
+
+        # ====================================================================
+        # Automations
+        # ====================================================================
+
+        @router.get(
+            "/automations",
+            response_model=AutomationListResponse,
+            summary="List automations"
+        )
+        async def list_automations():
+            """
+            List all automations with their enabled/disabled status
+            """
+            ha = get_homeassistant_client()
+
+            try:
+                states = await ha.get_states()
+
+                automations = [
+                    Automation(
+                        id=s["entity_id"],
+                        name=s.get("attributes", {}).get("friendly_name", s["entity_id"]),
+                        enabled=s.get("state") == "on"
+                    )
+                    for s in states
+                    if s["entity_id"].startswith("automation.")
+                ]
+
+                return AutomationListResponse(automations=automations)
+
+            except Exception as e:
+                logger.error(f"Failed to list automations: {e}")
+                raise HTTPException(
+                    status_code=500,
+                    detail={"error": True, "code": "CONNECTION_ERROR", "message": str(e)}
+                )
+
+        @router.post(
+            "/automations/{automation_id:path}/toggle",
+            response_model=AutomationToggleResponse,
+            responses={404: {"model": ErrorResponse}}
+        )
+        async def toggle_automation(
+            automation_id: str,
+            request: AutomationToggleRequest,
+            user: Dict = Depends(get_admin_user)
+        ):
+            """
+            Enable or disable an automation
+
+            Args:
+                automation_id: Automation entity ID (e.g., automation.motion_lights)
+                request: Contains enabled boolean
+            """
+            ha = get_homeassistant_client()
+
+            try:
+                # Verify automation exists
+                state = await ha.get_state(automation_id)
+                if not state:
+                    raise HTTPException(
+                        status_code=404,
+                        detail={"error": True, "code": "AUTOMATION_NOT_FOUND",
+                               "message": f"Automation {automation_id} not found"}
+                    )
+
+                if request.enabled:
+                    await ha.enable_automation(automation_id)
+                else:
+                    await ha.disable_automation(automation_id)
+
+                logger.info(f"Automation {automation_id} {'enabled' if request.enabled else 'disabled'} by {user.get('preferred_username', 'unknown')}")
+
+                return AutomationToggleResponse(
+                    success=True,
+                    automation_id=automation_id,
+                    enabled=request.enabled,
+                    message=f"Automation {'enabled' if request.enabled else 'disabled'}"
+                )
+
+            except HTTPException:
+                raise
+            except Exception as e:
+                logger.error(f"Failed to toggle automation {automation_id}: {e}")
+                raise HTTPException(
+                    status_code=500,
+                    detail={"error": True, "code": "CONNECTION_ERROR", "message": str(e)}
+                )
+
+        # ====================================================================
+        # History
+        # ====================================================================
+
+        @router.get(
+            "/history",
+            response_model=HistoryResponse,
+            responses={400: {"model": ErrorResponse}}
+        )
+        async def get_history(
+            entity_id: str = Query(..., description="Entity ID to get history for"),
+            hours: int = Query(24, ge=1, le=168, description="Hours of history (1-168)")
+        ):
+            """
+            Get state history for a device
+
+            Query Parameters:
+            - entity_id: Device entity ID (required)
+            - hours: Number of hours of history (default 24, max 168/1 week)
+            """
+            ha = get_homeassistant_client()
+
+            try:
+                history_data = await ha.get_history(entity_id, hours)
+
+                # Transform HA history format to our format
+                history_entries = []
+                if history_data and len(history_data) > 0:
+                    for entry in history_data[0]:  # First array is our entity
+                        history_entries.append(HistoryEntry(
+                            state=entry.get("state", "unknown"),
+                            timestamp=entry.get("last_changed", ""),
+                            attributes=entry.get("attributes", {})
+                        ))
+
+                return HistoryResponse(
+                    entity_id=entity_id,
+                    history=history_entries
+                )
+
+            except Exception as e:
+                logger.error(f"Failed to get history for {entity_id}: {e}")
+                raise HTTPException(
+                    status_code=500,
+                    detail={"error": True, "code": "CONNECTION_ERROR", "message": str(e)}
+                )
+
+        return router
+
+
+# Create controller instance
+housekeeping_controller = HousekeepingController()
diff --git a/src/credentials.example.py b/src/credentials.example.py
index a9b6b2e..62b4915 100644
--- a/src/credentials.example.py
+++ b/src/credentials.example.py
@@ -17,3 +17,7 @@ PORTAINER_API_KEY = "ptr_your_api_token_here"  # Create in Portainer UI: User me
 NPM_URL = "http://localhost:81"
 NPM_EMAIL = "admin@example.com"
 NPM_PASSWORD = "your_password_here"
+
+# Home Assistant Configuration
+HOMEASSISTANT_URL = "http://192.168.86.149:8123"  # Or http://home-assistant:8123 in Docker
+HOMEASSISTANT_TOKEN = "your_long_lived_access_token_here"  # Create in HA: Profile → Long-Lived Access Tokens
diff --git a/src/main.py b/src/main.py
index 9421594..350ca06 100644
--- a/src/main.py
+++ b/src/main.py
@@ -14,6 +14,7 @@ from src.controllers.tools_controller import tools_controller
 from src.controllers.health_controller import health_controller
 from src.controllers.static_controller import static_controller
 from src.controllers.ai_controller import router as ai_router
+from src.controllers.housekeeping_controller import housekeeping_controller
 from src.security import initialize_oidc
 
 # Initialize settings
@@ -100,6 +101,25 @@ app = FastAPI(
 
     Automates infrastructure operations via Portainer and Nginx Proxy Manager APIs.
 
+    ### Home Automation (Housekeeping)
+    **Read Endpoints:**
+    - `GET /housekeeping/health` - Check Home Assistant connectivity
+    - `GET /housekeeping/devices` - List devices (filter by domain, area)
+    - `GET /housekeeping/devices/{entity_id}` - Get device details
+    - `GET /housekeeping/areas` - List areas/rooms
+    - `GET /housekeeping/scenes` - List scenes
+    - `GET /housekeeping/scripts` - List scripts
+    - `GET /housekeeping/automations` - List automations
+    - `GET /housekeeping/history` - Get state history
+
+    **Write Endpoints (Admin Only):**
+    - `POST /housekeeping/devices/{entity_id}/control` - Control device
+    - `POST /housekeeping/scenes/{scene_id}/activate` - Activate scene
+    - `POST /housekeeping/scripts/{script_id}/run` - Run script
+    - `POST /housekeeping/automations/{automation_id}/toggle` - Enable/disable automation
+
+    Abstracts Home Assistant for the Tatlock Housekeeper agent and other consumers.
+
     ### Web Scraper
     Intelligent web scraping with main content extraction.
     Perfect for extracting articles, documentation, and blog posts for LLM consumption.
@@ -148,8 +168,9 @@ app.add_middleware(
 
 # Include controller routers
 app.include_router(health_controller.router)                   # / and /health
-app.include_router(tools_controller.router)                    # /web-scraper/scrape
+app.include_router(tools_controller.router)                    # /tools/*
 app.include_router(infrastructure_controller.router)           # /infrastructure/*
+app.include_router(housekeeping_controller.router)             # /housekeeping/*
 app.include_router(static_controller.router)                   # /static/*
 app.include_router(ai_router)                                  # /ai/*