#!/bin/bash
# SessionStart hook for multi-service-mcp-server
# This script runs when a Claude Code session starts (web or CLI)
set -e
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
# Check if this is a resume vs new session
IS_RESUME=false
if [[ "$1" == "--resume" ]]; then
IS_RESUME=true
fi
# Function to log messages
log() {
echo "[MCP Setup] $1"
}
# Set up persistent environment variables for the session
setup_env() {
if [ -n "$CLAUDE_ENV_FILE" ]; then
# Python environment
echo "export PYTHONDONTWRITEBYTECODE=1" >> "$CLAUDE_ENV_FILE"
echo "export PYTHONUNBUFFERED=1" >> "$CLAUDE_ENV_FILE"
# Flask configuration
echo "export FLASK_APP=app.py" >> "$CLAUDE_ENV_FILE"
echo "export FLASK_ENV=development" >> "$CLAUDE_ENV_FILE"
# MCP Server defaults
echo "export MCP_SERVER_PORT=5000" >> "$CLAUDE_ENV_FILE"
echo "export PUPPETEER_HEADLESS=true" >> "$CLAUDE_ENV_FILE"
# Memory system profile (S=single, C=cluster, E=enterprise)
echo "export MEMORY_PROFILE=S" >> "$CLAUDE_ENV_FILE"
# Add project bin to PATH
echo "export PATH=\"\$PATH:$PROJECT_ROOT/node_modules/.bin\"" >> "$CLAUDE_ENV_FILE"
log "Environment variables configured"
fi
}
# Check and install Python dependencies
setup_python() {
if [ -f "$PROJECT_ROOT/requirements.txt" ]; then
if ! pip show flask &>/dev/null 2>&1; then
log "Installing Python dependencies..."
pip install -q -r "$PROJECT_ROOT/requirements.txt" 2>/dev/null || true
else
log "Python dependencies already installed"
fi
fi
}
# Check and install Node.js dependencies
setup_node() {
if [ -f "$PROJECT_ROOT/package.json" ]; then
if [ ! -d "$PROJECT_ROOT/node_modules" ]; then
log "Installing Node.js dependencies..."
cd "$PROJECT_ROOT" && npm install --silent 2>/dev/null || true
else
log "Node.js dependencies already installed"
fi
fi
}
# Verify the environment is ready
verify_setup() {
local issues=0
# Check Python
if ! command -v python3 &>/dev/null; then
log "Warning: Python 3 not found"
((issues++))
fi
# Check Node.js
if ! command -v node &>/dev/null; then
log "Warning: Node.js not found"
((issues++))
fi
if [ $issues -eq 0 ]; then
log "Environment verification passed"
fi
}
# Main execution
main() {
log "Initializing MCP Server environment..."
# Always set up environment variables
setup_env
if [ "$IS_RESUME" = true ]; then
log "Resuming session - skipping dependency installation"
verify_setup
else
log "New session - checking dependencies"
setup_python
setup_node
verify_setup
fi
# Print helpful context for Claude
echo ""
echo "=== Multi-Service MCP Server ==="
echo "Available tools: GitHub, GitLab, Google Maps, Memory, Puppeteer"
echo "Start server: python app.py (runs on port 5000)"
echo "Test endpoint: curl http://localhost:5000/health"
echo "MCP Gateway: POST http://localhost:5000/mcp/gateway"
echo ""
log "Session initialization complete"
}
main "$@"
exit 0
