FastAPI CRUD MCP

from sqlalchemy import create_engine from sqlalchemy.orm import sessionmaker DATABASE_URL = "sqlite:///./items.db" # For demo; use PostgreSQL in prod engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False}) SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine) def get_db(): db = SessionLocal() try: yield db finally: db.close()