Search, monitor, and get alerts for flight price changes across Google Flights.

• Search flights by route, date range, and cabin class with filtering options for stops, airlines, duration, and departure/arrival times
• Track routes over time with optional target price alerts that trigger when prices drop below a threshold
• Scheduled price checking compares current prices against historical data and reports percentage drops
• Runs as both a command-line tool and MCP server, with automatic currency detection based on user location
• Price history persists locally in JSON format with R2 backup support