diff --git a/src/models/types.py b/src/models/types.py
new file mode 100644
index 0000000..d4bafa0
--- /dev/null
+++ b/src/models/types.py
@@ -0,0 +1,28 @@
+from enum import Enum
+from pydantic import BaseModel
+from typing import Optional, List
+
+
+class Provider(str, Enum):
+    GITHUB = "github"
+    GITLAB = "gitlab"
+
+
+class IssueStatus(str, Enum):
+    OPEN = "open"
+    IN_PROGRESS = "in_progress"
+    CLOSED = "closed"
+
+
+class WorkflowStatus(str, Enum):
+    PENDING = "pending"
+    RUNNING = "running"
+    SUCCESS = "success"
+    FAILURE = "failure"
+
+
+class PRStatus(str, Enum):
+    OPEN = "open"
+    MERGED = "merged"
+    CLOSED = "closed"
+    DRAFT = "draft"