diff --git a/app/main.py b/app/main.py
index 6235df6..674756d 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1,6 +1,7 @@
 from fastapi import FastAPI
 from app.api.routes import router
 from app.api.tool_routes import router as tool_router
+from app.db.database import Base, engine
 
 app = FastAPI(title="AI Orquestrador")
 
@@ -9,9 +10,19 @@ app.include_router(tool_router)
 
 
 @app.on_event("startup")
-def seed_on_startup():
+def startup_event():
+    """
+    Inicializa o banco de dados na primeira execução:
+    - Cria todas as tabelas
+    - Faz seed das tools iniciais
+    """
     try:
+        # Cria as tabelas se não existirem
+        Base.metadata.create_all(bind=engine)
+        
+        # Seed das tools
         from app.db.tool_seed import seed_tools
         seed_tools()
-    except Exception:
-        pass
+    except Exception as e:
+        print(f"⚠️  Erro ao inicializar banco de dados: {e}")
+        # Não falha a aplicação, apenas registra o erro
diff --git a/requirements.txt b/requirements.txt
index f9da634..fa6d3a0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,3 +21,4 @@ websockets==16.0
 google-cloud-aiplatform==1.70.0
 google-generativeai==0.8.5
 httpx==0.27.2
+psycopg2-binary==2.9.10