Nathan
59 lines
1.4 KiB
Python
59 lines
1.4 KiB
Python
# SPDX-FileCopyrightText: 2026 Blender Authors
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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"""
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CLI command handler for running the MCP server in background mode.
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Started via ``blender --background file.blend --command blender_mcp``.
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"""
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__all__ = (
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"cli_execute",
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)
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import argparse
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from . import execute_blocking
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from . import mcp_to_blender_server
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def cli_execute(argv: list[str]) -> int:
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"""
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Block and serve MCP requests until interrupted.
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"""
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parser = argparse.ArgumentParser(
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prog="blender_mcp",
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description=(
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"Start the Blender MCP server. "
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"Deferred responses are not supported in background mode; "
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"each request must complete before returning."
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),
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)
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parser.add_argument(
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"--host",
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default=mcp_to_blender_server.DEFAULT_HOST,
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help="Host to bind to.",
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)
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parser.add_argument(
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"--port",
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type=int,
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default=mcp_to_blender_server.DEFAULT_PORT,
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help="Port to listen on.",
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)
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args = parser.parse_args(argv)
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try:
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mcp_to_blender_server.start(args.host, args.port)
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except Exception as ex: # pylint: disable=broad-exception-caught
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print("Error: {:s}".format(str(ex)))
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return 1
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print("MCP server started on {:s}:{:d}, press Ctrl+C to exit.".format(args.host, args.port))
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try:
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execute_blocking.run()
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finally:
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mcp_to_blender_server.stop()
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return 0
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