​
fastmcp.utilities.mcp_server_config.v1.environments.uv

​
Classes

​
UVEnvironment

Configuration for Python environment setup. Methods:

​
build_command 

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.

​
run_with_uv 

run_with_uv(self, command: list[str]) -> None
Execute a command using uv run with this environment configuration. Args:
  • command: Command and arguments to execute (e.g., [“fastmcp”, “run”, “server.py”])

​
needs_uv 

needs_uv(self) -> bool
Deprecated: Use _needs_setup() internally or check if build_command modifies the command.

​
build_uv_run_command 

build_uv_run_command(self, command: list[str]) -> list[str]
Deprecated: Use build_command() instead.

​
prepare 

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.