#!/bin/bash
# Cursor MCP and Draw Things Bridge Service Startup Script
# Ensure the program aborts on error
set -e
echo "========================================================"
echo " Cursor MCP and Draw Things Bridge Service Tool "
echo " Image Generation Service Compliant with Model Context Protocol "
echo "========================================================"
echo
# Check dependencies
command -v node >/dev/null 2>&1 || { echo "Error: Node.js is required but not installed"; exit 1; }
command -v npm >/dev/null 2>&1 || { echo "Error: npm is required but not installed"; exit 1; }
# Ensure script has execution permissions
chmod +x cursor-mcp-bridge.js
# Check if help information is needed
if [ "$1" == "--help" ] || [ "$1" == "-h" ]; then
echo "Usage: ./start-cursor-bridge.sh [options]"
echo
echo "Options:"
echo " --help, -h Display this help information"
echo " --debug Enable additional debug output"
echo " --no-cleanup Keep old log files"
echo " --port PORT Specify custom port for Draw Things API (default: 7888)"
echo
echo "This script is used to start the Cursor MCP and Draw Things bridge service."
echo "It will start a service that allows Cursor to generate images using plain text prompts."
echo
echo "Dependencies:"
echo " - Node.js and npm"
echo " - Draw Things application (must be running with API enabled)"
echo
exit 0
fi
# Parse parameters
DEBUG_MODE=false
CLEANUP=true
API_PORT=7888
for arg in "$@"; do
case $arg in
--debug)
DEBUG_MODE=true
shift
;;
--no-cleanup)
CLEANUP=false
shift
;;
--port=*)
API_PORT="${arg#*=}"
shift
;;
esac
done
# Install dependencies
echo "Checking and installing necessary dependencies..."
npm install --quiet
# Clean up old logs
if [ "$CLEANUP" = true ]; then
echo "Cleaning up old log files..."
if [ -f cursor-mcp-bridge.log ]; then
mv cursor-mcp-bridge.log cursor-mcp-bridge.log.old
fi
if [ -f draw-things-mcp.log ]; then
mv draw-things-mcp.log draw-things-mcp.log.old
fi
fi
# Ensure images directory exists
mkdir -p images
# Ensure logs directory exists
mkdir -p logs
echo
echo "Step 1: Checking if Draw Things API is available..."
# Create a simple test script to check API connection
cat > test-api.js << EOL
import http from 'http';
const options = {
host: '127.0.0.1',
port: ${API_PORT},
path: '/sdapi/v1/options',
method: 'GET',
timeout: 5000,
headers: {
'User-Agent': 'DrawThingsMCP/1.0',
'Accept': 'application/json'
}
};
const req = http.request(options, (res) => {
console.log('Draw Things API connection successful! Status code:', res.statusCode);
process.exit(0);
});
req.on('error', (e) => {
if (e.code === 'ECONNREFUSED') {
console.error('Error: Unable to connect to Draw Things API. Make sure Draw Things application is running and API is enabled.');
} else if (e.code === 'ETIMEDOUT') {
console.error('Error: Connection to Draw Things API timed out. Make sure Draw Things application is running normally.');
} else {
console.error('Error:', e.message);
}
process.exit(1);
});
req.on('timeout', () => {
console.error('Error: Connection to Draw Things API timed out. Make sure Draw Things application is running normally.');
req.destroy();
process.exit(1);
});
req.end();
EOL
# Run API test
if node test-api.js; then
echo "Draw Things API is available, continuing to start bridge service..."
else
echo
echo "Warning: Draw Things API appears to be unavailable on port ${API_PORT}."
echo "Please ensure:"
echo "1. Draw Things application is running"
echo "2. API is enabled in Draw Things settings"
echo "3. API is listening on 127.0.0.1:${API_PORT}"
echo
read -p "Continue starting the bridge service anyway? (y/n) " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
echo "Canceling bridge service startup."
exit 1
fi
fi
# Clean up temporary files
rm -f test-api.js
echo
echo "Step 2: Starting Services..."
echo
# Set up environment variables
export DRAW_THINGS_FORCE_STAY_ALIVE=true
export MCP_BRIDGE_DEDUP=true
export DEBUG_MODE=$DEBUG_MODE
export DRAW_THINGS_API_PORT=$API_PORT
export DRAW_THINGS_API_URL="http://127.0.0.1:${API_PORT}"
# Set up debug mode
if [ "$DEBUG_MODE" = true ]; then
echo "Debug mode enabled, all log output will be displayed"
echo "Starting MCP bridge service in debug mode..."
# Start both services in debug mode
node cursor-mcp-bridge.js 2>&1 | tee -a cursor-mcp-debug.log | node src/index.js
else
# Start bridge service
echo "Starting bridge service in normal mode..."
echo "All logs will be saved to cursor-mcp-bridge.log and draw-things-mcp.log"
# Start MCP bridge service and pipe output to MCP service
node cursor-mcp-bridge.js | node src/index.js
fi
echo
echo "Service has ended."
echo "Log files:"
echo " - cursor-mcp-bridge.log"
echo " - draw-things-mcp.log"
echo " - logs/error.log (if errors occurred)"
echo "If generation was successful, images will be saved in the images directory."
# Display service status
if [ -f "images/image_$(date +%Y%m%d)*.png" ] || [ -f "images/generated-image_*.png" ]; then
echo "Images were successfully generated today!"
ls -la images/ | grep "$(date +%Y-%m-%d)"
else
echo "No images generated today were found. Please check the logs for more information."
fi