"""
Simple configuration management for Alpaca MCP server.
Using environment variables directly without pydantic-settings complexity.
"""
import os
from dotenv import load_dotenv
# Load environment variables from .env file
load_dotenv()
class Settings:
"""Simple configuration management using environment variables."""
def __init__(self) -> None:
# Alpaca API settings - use same env vars as working script
self.alpaca_api_key = os.getenv("APCA_API_KEY_ID", os.getenv("ALPACA_API_KEY", ""))
self.alpaca_secret_key = os.getenv("APCA_API_SECRET_KEY", os.getenv("ALPACA_SECRET_KEY", ""))
self.alpaca_paper_trade = (
os.getenv("ALPACA_PAPER_TRADE", "True").lower() == "true"
)
# Optional Alpaca API URLs
self.alpaca_trade_api_url = os.getenv("TRADE_API_URL")
self.alpaca_trade_api_wss = os.getenv("TRADE_API_WSS")
self.alpaca_data_api_url = os.getenv("DATA_API_URL")
self.alpaca_stream_data_wss = os.getenv("STREAM_DATA_WSS")
# MCP Server settings
self.server_name = os.getenv("MCP_SERVER_NAME", "alpaca-trading-gold")
self.log_level = os.getenv("LOG_LEVEL", "INFO")
self.version = "1.0.0"
def validate(self) -> None:
"""Validate that required settings are available."""
missing = []
if not self.alpaca_api_key:
missing.append("APCA_API_KEY_ID or ALPACA_API_KEY")
if not self.alpaca_secret_key:
missing.append("APCA_API_SECRET_KEY or ALPACA_SECRET_KEY")
if missing:
raise ValueError(
f"Missing required environment variables: {', '.join(missing)}. "
"Please update your .env file with valid Alpaca API credentials."
)
# Check for demo values
if (
self.alpaca_api_key == "demo_key_please_replace"
or self.alpaca_secret_key == "demo_secret_please_replace"
):
raise ValueError(
"Demo credentials detected. "
"Please update your .env file with valid Alpaca API credentials."
)
# Global settings instance
settings = Settings()
# For development/testing, allow demo credentials
try:
settings.validate()
except ValueError as e:
if any(
key in str(e)
for key in ["demo_key_please_replace", "demo_secret_please_replace"]
):
print(f"Warning: {e}")
print("The server will start but Alpaca API calls will fail.")
print("Please update your .env file with valid credentials for actual trading.")
else:
raise
