HomeAssistant MCP

#!/bin/bash # MCP Server Stdio Transport Launcher # This script builds and runs the MCP server using stdin/stdout JSON-RPC 2.0 transport # ANSI colors for prettier output RED='\033[0;31m' GREEN='\033[0;32m' YELLOW='\033[0;33m' BLUE='\033[0;34m' NC='\033[0m' # No Color # Show usage information function show_usage { echo -e "${BLUE}Usage:${NC} $0 [options]" echo echo "Options:" echo " --debug Enable debug mode" echo " --rebuild Force rebuild even if dist exists" echo " --help Show this help message" echo echo "Examples:" echo " $0 # Normal start" echo " $0 --debug # Start with debug logging" echo " $0 --rebuild # Force rebuild" echo echo "This script runs the MCP server with JSON-RPC 2.0 stdio transport." echo "Logs will be written to the logs directory but not to stdout." echo } # Process command line arguments REBUILD=false DEBUG=false for arg in "$@"; do case $arg in --help) show_usage exit 0 ;; --debug) DEBUG=true shift ;; --rebuild) REBUILD=true shift ;; *) echo -e "${RED}Unknown option:${NC} $arg" show_usage exit 1 ;; esac done # Check for errors if [ ! -f ".env" ]; then echo -e "${RED}Error:${NC} .env file not found. Please create one from .env.example." >&2 exit 1 fi # Set environment variables export USE_STDIO_TRANSPORT=true # Set debug mode if requested if [ "$DEBUG" = true ]; then export DEBUG=true echo -e "${YELLOW}Debug mode enabled${NC}" >&2 fi # Check if we need to build if [ ! -d "dist" ] || [ "$REBUILD" = true ]; then echo -e "${BLUE}Building MCP server with stdio transport...${NC}" >&2 bun build ./src/index.ts --outdir ./dist --target bun || { echo -e "${RED}Build failed!${NC}" >&2 exit 1 } else echo -e "${GREEN}Using existing build in dist/ directory${NC}" >&2 echo -e "${YELLOW}Use --rebuild flag to force a rebuild${NC}" >&2 fi # Create logs directory if it doesn't exist mkdir -p logs # Run the application with stdio transport echo -e "${GREEN}Starting MCP server with stdio transport...${NC}" >&2 echo -e "${YELLOW}Note: All logs will be written to logs/ directory${NC}" >&2 echo -e "${YELLOW}Press Ctrl+C to stop${NC}" >&2 # Execute the server exec bun run dist/index.js # The exec replaces this shell with the server process # so any code after this point will not be executed