INNER CODE UNIT · Python

run_server

stevesolun/ctx · src/ctx/mcp_server/server.py:469

def run_server(
    stdin: BinaryIO | None = None,
    stdout: BinaryIO | None = None,
    *,
    allowed_tool_names: Iterable[str] | None = None,
    allowed_entity_types: Iterable[str] | None = None,
) -> int:
    """Read JSON-RPC frames from ``stdin`` until EOF, write to ``stdout``.

    Both args default to ``sys.stdin.buffer`` / ``sys.stdout.buffer``,
    matching how an MCP host invokes the server as a subprocess.
    Passing explicit streams lets tests drive the server without a
    subprocess boundary.

    Returns an exit code: 0 for clean EOF, 1 for a fatal error.
    """
    in_stream: BinaryIO = stdin if stdin is not None else sys.stdin.buffer
    out_stream: BinaryIO = stdout if stdout is not None else sys.stdout.buffer

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