diff --git a/src/models/entities.py b/src/models/entities.py
new file mode 100644
index 0000000..c18ed02
--- /dev/null
+++ b/src/models/entities.py
@@ -0,0 +1,50 @@
+from pydantic import BaseModel
+from typing import Optional, List
+from datetime import datetime
+from src.models.types import Provider, IssueStatus, WorkflowStatus, PRStatus
+
+
+class Repository(BaseModel):
+    name: str
+    owner: str
+    full_name: str
+    provider: Provider
+    url: str = ""
+
+
+class PullRequest(BaseModel):
+    number: int
+    title: str
+    author: str
+    status: PRStatus
+    draft: bool = False
+    labels: List[str] = []
+    url: str = ""
+    created_at: Optional[datetime] = None
+
+
+class Issue(BaseModel):
+    number: int
+    title: str
+    author: str
+    status: IssueStatus
+    labels: List[str] = []
+    url: str = ""
+    created_at: Optional[datetime] = None
+
+
+class Workflow(BaseModel):
+    id: int
+    name: str
+    status: WorkflowStatus
+    conclusion: Optional[str] = None
+    url: str = ""
+    created_at: Optional[datetime] = None
+
+
+class Config(BaseModel):
+    github_token: Optional[str] = None
+    gitlab_token: Optional[str] = None
+    default_repo: Optional[str] = None
+    refresh_interval: int = 30
+    theme: str = "dark"