fastmcp.utilities.mcp_server_config.v1.environments.uv

Classes

UVEnvironment ^{<a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/utilities/mcp_server_config/v1/environments/uv.py#L14" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a>}

Configuration for Python environment setup.

Methods:

build_command ^{<a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/utilities/mcp_server_config/v1/environments/uv.py#L49" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a>}

build_command(self, command: list[str]) -> list[str]

Build complete uv run command with environment args and command to execute.

Args:

• command: Command to execute (e.g., ["fastmcp", "run", "server.py"])

Returns:

• Complete command ready for subprocess.run, including "uv" prefix if needed.
• If no environment configuration is set, returns the command unchanged.

prepare ^{<a href="https://github.com/PrefectHQ/fastmcp/blob/main/src/fastmcp/utilities/mcp_server_config/v1/environments/uv.py#L109" target="_blank"><Icon icon="github" style="width: 14px; height: 14px;" /></a>}

prepare(self, output_dir: Path | None = None) -> None

Prepare the Python environment using uv.

Args:

• output_dir: Directory where the persistent uv project will be created. If None, creates a temporary directory for ephemeral use.