n8n Architect MCP Server

""" Configuration Management - Pydantic Settings Securely loads and validates environment variables. """ import os from pydantic_settings import BaseSettings, SettingsConfigDict from pydantic import Field from typing import Optional class Settings(BaseSettings): """Application settings loaded from environment variables.""" # n8n Configuration n8n_base_url: str = Field(default="http://localhost:5678/api/v1", alias="N8N_BASE_URL") n8n_api_key: str = Field(..., alias="N8N_API_KEY") n8n_data_dir: str = Field( default_factory=lambda: os.path.join(os.path.expanduser("~"), ".n8n"), alias="N8N_DATA_DIR" ) n8n_editor_url: str = Field(default="http://localhost:5678", alias="N8N_EDITOR_URL") @property def api_url(self) -> str: """Ensure the API URL is correctly formatted.""" url = self.n8n_base_url.rstrip("/") if not url.endswith("/api/v1"): url += "/api/v1" return url # Server Configuration api_host: str = Field(default="0.0.0.0", alias="API_HOST") api_port: int = Field(default=8000, alias="API_PORT") debug: bool = Field(default=False, alias="DEBUG") # HTTP Client Configuration http_timeout: float = Field(default=30.0, alias="HTTP_TIMEOUT") http_retries: int = Field(default=3, alias="HTTP_RETRIES") model_config = SettingsConfigDict( env_file=".env", env_file_encoding="utf-8", extra="ignore" ) # Global settings instance settings = Settings()