Function mcp_requirement

src/mcp/cli/claude.py:16–32

Requirement string pinning spawned environments to the running SDK version. `uv run --with mcp` resolves the requirement in a fresh environment, where an unpinned `mcp` means the latest stable release — not necessarily the version the user installed (pre-releases in particular are never

(package: str = "mcp")

def mcp_requirement(package: str = "mcp") -> str:
    """Requirement string pinning spawned environments to the running SDK version.

    `uv run --with mcp` resolves the requirement in a fresh environment, where
    an unpinned `mcp` means the latest stable release — not necessarily the
    version the user installed (pre-releases in particular are never selected
    without an explicit pin). Source builds carry dev/local version segments
    that are not published to PyPI, so they fall back to the unpinned form,
    as does a missing distribution (no metadata to pin from).
    """
    try:
        version = importlib.metadata.version("mcp")
    except importlib.metadata.PackageNotFoundError:
        return package
    if ".dev" in version or "+" in version:
        return package
    return f"{package}=={version}"


def get_claude_config_path() -> Path | None:  # pragma: no cover