"""Filesystem MCP Server with Streamable HTTP support."""
import argparse
import logging
from pathlib import Path
from fastmcp import FastMCP
from . import tools, utils
logger = logging.getLogger(__name__)
logging.basicConfig(level=logging.INFO, format="%(message)s")
mcp = FastMCP(
name="filesystem",
)
tools.register_tools(mcp)
def main() -> None:
"""Run the filesystem MCP server."""
parser = argparse.ArgumentParser(description="Filesystem MCP Server with Streamable HTTP support")
parser.add_argument(
"--port",
type=int,
default=8123,
help="Port to listen on (default: 8123)",
)
parser.add_argument(
"--allowed-root",
type=str,
default=".",
help="Root directory for filesystem operations (default: current directory)",
)
args = parser.parse_args()
utils.ALLOWED_ROOT = Path(args.allowed_root).resolve()
if not utils.ALLOWED_ROOT.exists():
logger.error("Allowed root directory does not exist: %s", utils.ALLOWED_ROOT)
exit(1)
if not utils.ALLOWED_ROOT.is_dir():
logger.error("Allowed root is not a directory: %s", utils.ALLOWED_ROOT)
exit(1)
logger.info("Starting Filesystem MCP Server")
logger.info("Allowed root: %s", utils.ALLOWED_ROOT)
logger.info("Listening on: http://0.0.0.0:%s/mcp", args.port)
mcp.run(transport="streamable-http", host="0.0.0.0", port=args.port)
if __name__ == "__main__":
main()
