--- title: run sidebarTitle: run --- # `fastmcp.cli.run` FastMCP run command implementation. ## Functions ### `is_url` ```python is_url(path: str) -> bool ``` Check if a string is a URL. ### `parse_file_path` ```python parse_file_path(server_spec: str) -> tuple[Path, str | None] ``` Parse a file path that may include a server object specification. **Args:** - `server_spec`: Path to file, optionally with \:object suffix **Returns:** - Tuple of (file_path, server_object) ### `import_server` ```python import_server(file: Path, server_object: str | None = None) -> Any ``` Import a MCP server from a file. **Args:** - `file`: Path to the file - `server_object`: Optional object name in format "module\:object" or just "object" **Returns:** - The server object ### `create_client_server` ```python create_client_server(url: str) -> Any ``` Create a FastMCP server from a client URL. **Args:** - `url`: The URL to connect to **Returns:** - A FastMCP server instance ### `import_server_with_args` ```python import_server_with_args(file: Path, server_object: str | None = None, server_args: list[str] | None = None) -> Any ``` Import a server with optional command line arguments. **Args:** - `file`: Path to the server file - `server_object`: Optional server object name - `server_args`: Optional command line arguments to inject **Returns:** - The imported server object ### `run_command` ```python run_command(server_spec: str, transport: str | None = None, host: str | None = None, port: int | None = None, log_level: str | None = None, server_args: list[str] | None = None) -> None ``` Run a MCP server or connect to a remote one. **Args:** - `server_spec`: Python file, object specification (file\:obj), or URL - `transport`: Transport protocol to use - `host`: Host to bind to when using http transport - `port`: Port to bind to when using http transport - `log_level`: Log level - `server_args`: Additional arguments to pass to the server