Databricks MCP Server

#!/bin/bash set -e # Configuration LOG_FILE="/tmp/databricks-app-watch.log" PID_FILE="/tmp/databricks-app-watch.pid" # Parse command line arguments PROD_MODE=false if [[ "$1" == "--prod" ]]; then PROD_MODE=true echo "🚀 Production mode enabled" fi # Store this script's PID for cleanup echo $$ > "$PID_FILE" # Redirect all output to log file while still showing on terminal exec > >(tee "$LOG_FILE") 2>&1 echo "Starting Databricks App development servers..." echo "==============================================" echo "Log file: $LOG_FILE" echo "PID file: $PID_FILE" # source .env and .env.local if they exist if [ -f ".env" ]; then echo "Loading .env" export $(grep -v '^#' .env | xargs) fi if [ -f ".env.local" ]; then echo "Loading .env.local" export $(grep -v '^#' .env.local | xargs) # Explicitly export Databricks variables for CLI export DATABRICKS_HOST export DATABRICKS_TOKEN fi # Check if already authenticated to avoid opening browser every time check_auth() { if [ ! -z "$DATABRICKS_CONFIG_PROFILE" ]; then databricks auth describe --profile $DATABRICKS_CONFIG_PROFILE > /dev/null 2>&1 elif [ ! -z "$DATABRICKS_HOST" ]; then databricks auth describe --host $DATABRICKS_HOST > /dev/null 2>&1 else databricks auth describe > /dev/null 2>&1 fi } if command -v databricks >/dev/null 2>&1; then if ! check_auth; then echo "🔐 Not authenticated, logging in..." if [ ! -z "$DATABRICKS_CONFIG_PROFILE" ]; then databricks auth login --profile $DATABRICKS_CONFIG_PROFILE elif [ ! -z "$DATABRICKS_HOST" ]; then databricks auth login --host $DATABRICKS_HOST else databricks auth login fi else echo "✅ Already authenticated" fi else echo "⚠️ Databricks CLI not found, skipping authentication" fi # Generate TypeScript client echo "🔧 Generating TypeScript client..." uv run python -m scripts.make_fastapi_client || echo "⚠️ Could not generate client (server may not be running yet)" if [ "$PROD_MODE" = true ]; then echo "Building frontend for production..." pushd client && npm run build && popd echo "✅ Frontend built successfully" # In production mode, only start backend (frontend served by FastAPI) uv run uvicorn server.app:app --reload --reload-dir server --host 0.0.0.0 --port 8000 & BACKEND_PID=$! echo "Production mode: Frontend will be served by FastAPI at http://localhost:8000" else # Development mode: start both frontend and backend echo "🌐 Starting frontend development server..." (cd client && BROWSER=none npm run dev) & FRONTEND_PID=$! echo "🖥️ Starting backend development server..." uv run uvicorn server.app:app --reload --reload-dir server --host 0.0.0.0 --port 8000 & BACKEND_PID=$! # MCP server is now integrated into FastAPI, no separate process needed echo "🤖 MCP server integrated with FastAPI backend..." fi # Auto-regenerate client when server code changes echo "🔄 Setting up auto-client generation..." uv run watchmedo auto-restart \ --patterns="*.py" \ --debounce-interval=1 \ --no-restart-on-command-exit \ --recursive \ --directory=server \ uv -- run python -m scripts.make_fastapi_client & WATCHER_PID=$! # Give everything time to start sleep 3 echo "" echo "✅ Development servers started!" if [ "$PROD_MODE" = true ]; then echo "App: http://localhost:8000" else # Detect the actual frontend port (default 5173, or next available) FRONTEND_PORT=$(netstat -an | grep LISTEN | grep ':517[3-9]' | head -1 | sed 's/.*:\([0-9]*\).*/\1/' || echo "5173") echo "Frontend: http://localhost:$FRONTEND_PORT" echo "Backend: http://localhost:8000" echo "MCP Server: http://localhost:8000/mcp/" fi echo "API Docs: http://localhost:8000/docs" echo "" echo "📄 Logs: tail -f $LOG_FILE" echo "🛑 Stop: kill \$(cat $PID_FILE) or pkill -f watch.sh" echo "" echo "Press Ctrl+C to stop all servers" # Function to cleanup processes cleanup() { echo "" echo "🛑 Stopping servers..." # Kill background processes [ ! -z "$BACKEND_PID" ] && kill $BACKEND_PID 2>/dev/null || true [ ! -z "$FRONTEND_PID" ] && kill $FRONTEND_PID 2>/dev/null || true # MCP server is integrated into FastAPI, no separate process to kill [ ! -z "$WATCHER_PID" ] && kill $WATCHER_PID 2>/dev/null || true # Kill any remaining processes started by this script pkill -P $$ 2>/dev/null || true # Remove PID file rm -f "$PID_FILE" echo "✅ Cleanup complete" exit 0 } # Set trap to cleanup on exit trap cleanup SIGINT SIGTERM EXIT # Wait for processes wait