Frontmatter MCP

"""Application settings loaded from environment variables.""" from functools import lru_cache from pathlib import Path from pydantic_settings import BaseSettings, SettingsConfigDict DEFAULT_CACHE_DIR_NAME = ".frontmatter-mcp" DEFAULT_EMBEDDING_MODEL = "cl-nagoya/ruri-v3-30m" class Settings(BaseSettings): """Application settings.""" model_config = SettingsConfigDict() frontmatter_base_dir: Path frontmatter_enable_semantic: bool = False frontmatter_embedding_model: str = DEFAULT_EMBEDDING_MODEL frontmatter_cache_dir: Path | None = None @property def base_dir(self) -> Path: """Base directory for markdown files.""" base_dir = self.frontmatter_base_dir.resolve() if not base_dir.is_dir(): raise RuntimeError(f"Base directory does not exist: {base_dir}") return base_dir @property def enable_semantic(self) -> bool: """Whether semantic search is enabled.""" return self.frontmatter_enable_semantic @property def embedding_model(self) -> str: """Embedding model name for semantic search.""" return self.frontmatter_embedding_model @property def cache_dir(self) -> Path: """Cache directory for embeddings database.""" if self.frontmatter_cache_dir: return self.frontmatter_cache_dir return self.base_dir / DEFAULT_CACHE_DIR_NAME @lru_cache def get_settings() -> Settings: """Get the cached settings instance.""" return Settings() # type: ignore[call-arg]