LangGraph Agent MCP Server

#!/bin/bash # # Start ChatGPT Enterprise MCP Server # # This script launches the ChatGPT-compatible MCP server that serves # the /mcp endpoint required by ChatGPT Enterprise Apps & Connectors. # # The server runs on port 8001 (configurable via CHATGPT_MCP_PORT) # and uses streamable-http transport for compatibility. # set -e # Colors for output GREEN='\033[0;32m' YELLOW='\033[1;33m' RED='\033[0;31m' NC='\033[0m' # No Color echo -e "${GREEN}========================================${NC}" echo -e "${GREEN}ChatGPT Enterprise MCP Server${NC}" echo -e "${GREEN}========================================${NC}" echo # Check if .env exists if [ ! -f .env ]; then echo -e "${RED}Error: .env file not found${NC}" echo "Please create a .env file from .env.example" exit 1 fi # Load environment variables source .env # Check if virtual environment exists if [ ! -d ".venv" ]; then echo -e "${YELLOW}Virtual environment not found. Creating...${NC}" python3 -m venv .venv fi # Activate virtual environment echo -e "${GREEN}Activating virtual environment...${NC}" source .venv/bin/activate # Install/update dependencies echo -e "${GREEN}Checking dependencies...${NC}" pip install -q -r requirements.txt # Check if LangGraph server is running LANGGRAPH_URL="${LANGGRAPH_BASE_URL:-http://localhost:2024}" echo -e "${GREEN}Checking LangGraph backend at ${LANGGRAPH_URL}...${NC}" if curl -s -f "${LANGGRAPH_URL}/ok" > /dev/null 2>&1; then echo -e "${GREEN}✓ LangGraph server is running${NC}" else echo -e "${YELLOW}⚠ Warning: LangGraph server not responding at ${LANGGRAPH_URL}${NC}" echo -e "${YELLOW} Make sure to start it with: langgraph dev${NC}" fi # Get port from environment or use default CHATGPT_PORT="${CHATGPT_MCP_PORT:-8001}" echo echo -e "${GREEN}Starting ChatGPT MCP Server...${NC}" echo -e "${GREEN}Port: ${CHATGPT_PORT}${NC}" echo -e "${GREEN}Endpoint: http://0.0.0.0:${CHATGPT_PORT}/mcp${NC}" echo echo -e "${YELLOW}ChatGPT Enterprise Setup:${NC}" echo -e " 1. Use URL: http://your-server:${CHATGPT_PORT}/mcp" echo -e " 2. Add connector in ChatGPT Apps & Connectors" echo -e " 3. Test with: python test_chatgpt_mcp.py" echo echo -e "${GREEN}Press Ctrl+C to stop${NC}" echo -e "${GREEN}========================================${NC}" echo # Run the FastAPI server (stateless, no session management) python -m src.agent_mcp.chatgpt_fastapi_server