Blender MCP for Antigravity

"""Keep-alive MCP server - stays running and logs everything""" import sys import os import asyncio import logging import time # Redirect all logging to stderr immediately logging.basicConfig( level=logging.DEBUG, stream=sys.stderr, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', force=True ) logger = logging.getLogger("keepalive") # Log startup info logger.info("=== Keep-Alive MCP Server Starting ===") logger.info(f"Python: {sys.version}") logger.info(f"stdin encoding: {sys.stdin.encoding}") logger.info(f"stdout encoding: {sys.stdout.encoding}") logger.info(f"stdin isatty: {sys.stdin.isatty()}") logger.info(f"stdout isatty: {sys.stdout.isatty()}") from mcp.server import Server from mcp.server.stdio import stdio_server from mcp.types import Tool, TextContent async def run(): server = Server("keepalive-test") @server.list_tools() async def list_tools() -> list[Tool]: logger.info("list_tools called!") return [ Tool( name="hello", description="Say hello", inputSchema={"type": "object", "properties": {"name": {"type": "string"}}, "required": ["name"]} ) ] @server.call_tool() async def call_tool(name: str, arguments: dict): logger.info(f"call_tool called: {name} with {arguments}") if name == "hello": return [TextContent(type="text", text=f"Hello {arguments['name']}")] raise ValueError(f"Unknown tool: {name}") options = server.create_initialization_options() logger.info("Initialization options created") logger.info("Entering stdio_server context...") try: async with stdio_server() as (read_stream, write_stream): logger.info("stdio_server context entered successfully") logger.info(f"read_stream type: {type(read_stream)}") logger.info(f"write_stream type: {type(write_stream)}") logger.info("Calling server.run()...") await server.run(read_stream, write_stream, options) logger.info("server.run() returned normally") except Exception as e: logger.error(f"Exception in stdio_server: {type(e).__name__}: {e}") import traceback logger.error(traceback.format_exc()) logger.info("Exiting run() function") if __name__ == "__main__": logger.info("Starting asyncio.run()") try: asyncio.run(run()) except KeyboardInterrupt: logger.info("Keyboard interrupt received") except Exception as e: logger.error(f"Top-level exception: {type(e).__name__}: {e}") import traceback logger.error(traceback.format_exc()) logger.info("Script ending")