diff --git a/core/__init__.py b/core/__init__.py
index 2d99708..d15e619 100644
--- a/core/__init__.py
+++ b/core/__init__.py
@@ -6,10 +6,18 @@ from core.models import (
     RoomData,
     TrackingData,
 )
+from core.ports import (
+    RoomStorage,
+    PersonalStorage,
+    TrackingStorage,
+)
 
 __all__ = [
     "Bounty",
     "TrackedBounty",
     "RoomData",
     "TrackingData",
+    "RoomStorage",
+    "PersonalStorage",
+    "TrackingStorage",
 ]
diff --git a/core/ports.py b/core/ports.py
new file mode 100644
index 0000000..a671d22
--- /dev/null
+++ b/core/ports.py
@@ -0,0 +1,91 @@
+"""Abstract storage interfaces (Ports) for JIGAIDO storage adapters."""
+
+from typing import Protocol
+
+from core.models import Bounty, RoomData, TrackingData, TrackedBounty
+
+
+class RoomStorage(Protocol):
+    """Storage port for room (group) bounties.
+
+    Implement this protocol to provide room bounty storage capability.
+    """
+
+    def load(self, room_id: int) -> RoomData | None:
+        """Load all data for a room. Returns None if room doesn't exist."""
+        ...
+
+    def save(self, room_data: RoomData) -> None:
+        """Save all data for a room."""
+        ...
+
+    def add_bounty(self, room_id: int, bounty: Bounty) -> None:
+        """Add a new bounty to a room."""
+        ...
+
+    def update_bounty(self, room_id: int, bounty: Bounty) -> None:
+        """Update an existing bounty in a room."""
+        ...
+
+    def delete_bounty(self, room_id: int, bounty_id: int) -> None:
+        """Delete a bounty from a room."""
+        ...
+
+    def get_bounty(self, room_id: int, bounty_id: int) -> Bounty | None:
+        """Get a specific bounty from a room by ID."""
+        ...
+
+
+class PersonalStorage(Protocol):
+    """Storage port for personal (DM) bounties.
+
+    Personal bounties are stored in RoomData with a positive room_id (user's ID).
+    This port provides the same operations as RoomStorage but for personal context.
+    """
+
+    def load(self, user_id: int) -> RoomData | None:
+        """Load personal bounty data for a user. Returns None if not found."""
+        ...
+
+    def save(self, room_data: RoomData) -> None:
+        """Save personal bounty data for a user."""
+        ...
+
+    def add_bounty(self, user_id: int, bounty: Bounty) -> None:
+        """Add a new bounty to a user's personal storage."""
+        ...
+
+    def update_bounty(self, user_id: int, bounty: Bounty) -> None:
+        """Update an existing bounty in personal storage."""
+        ...
+
+    def delete_bounty(self, user_id: int, bounty_id: int) -> None:
+        """Delete a bounty from personal storage."""
+        ...
+
+    def get_bounty(self, user_id: int, bounty_id: int) -> Bounty | None:
+        """Get a specific bounty from personal storage by ID."""
+        ...
+
+
+class TrackingStorage(Protocol):
+    """Storage port for tracking data.
+
+    Tracks which bounties a user is tracking in a specific room.
+    """
+
+    def load(self, room_id: int, user_id: int) -> TrackingData | None:
+        """Load tracking data for a user in a room. Returns None if not tracking anything."""
+        ...
+
+    def save(self, tracking_data: TrackingData) -> None:
+        """Save tracking data."""
+        ...
+
+    def track_bounty(self, room_id: int, user_id: int, tracked: TrackedBounty) -> None:
+        """Add a bounty to a user's tracking list."""
+        ...
+
+    def untrack_bounty(self, room_id: int, user_id: int, bounty_id: int) -> None:
+        """Remove a bounty from a user's tracking list."""
+        ...