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Google Flights MCP Server

@andreacappelletti97

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基本情報

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トランスポート

stdio

作者

andreacappelletti97

投稿者

Andrea Cappelletti

Google Flights MCP Server について

The most feature-rich MCP server for Google Flights. 12 tools: flight search, price tracking, cabin comparison, carbon emissions, calendar heatmap, layover analysis, nearby airports. No API key required.

#flights#travel#google-flights#price-tracking#mcp

Google Flights MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "google-flights": {
      "command": "npx",
      "args": [
        "-y",
        "google-flights-mcp"
      ]
    }
  }
}

Google Flights MCP Server のツール

12

Search for one-way or round-trip flights. Returns prices, airlines, durations, stops, aircraft, emissions, and price context (low/typical/high).

Search for multi-city (multi-leg) flight itineraries. Supports 2-5 segments.

Find the cheapest travel dates for a route within a date range. Scans multiple departure dates.

Get a full calendar of daily flight prices (~60 days). Single API call, no scanning. Shows cheapest dates at a glance.

Compare prices across economy, premium economy, business, and first class for the same route in one call.

Track a flight price over time. Records the current cheapest price and reports if it has gone up, down, or stayed stable since last check.

View the recorded price history for a tracked route. Shows all past observations and the trend.

List all routes currently being price-tracked, with their last known price and number of observations.

Look up airport IATA codes by city name, airport name, or country. Searches 8,800+ airports.

Find alternative airports near a given airport within a radius. Useful for finding cheaper flights from nearby cities.

Generate a direct Google Flights URL for a route. Users can click to view and book flights in their browser.

Analyze layover quality for connecting flights. Reports connection time, risk level (tight/comfortable/long), and aircraft details.

概要

What is Google Flights?

Google Flights is an MCP server that exposes 12 tools for real-time Google Flights data. It requires no API key and is designed for developers who need programmatic access to flight search, pricing, price tracking, and airport information.

How to use Google Flights?

Install via the Claude MCP command: claude mcp add google-flights -- npx -y google-flights-mcp. After installation, you can invoke any of the 12 provided tools (e.g., search_flights, get_price_history, track_price) directly through your MCP client.

Key features of Google Flights

  • 12 tools for real-time Google Flights data
  • No API key required
  • Carbon emissions (CO₂ kg) per flight
  • Price context (low/typical/high from Google)
  • Price tracking with SQLite persistence
  • 60-day price calendar in one API call
  • Cabin class comparison (economy/premium/business/first)
  • Nearby airport suggestions with distance
  • Layover risk analysis
  • Aircraft type and flight detail data

Use cases of Google Flights

  • Search for one‑way or round‑trip flights with real‑time pricing
  • Compare prices across cabin classes for the same route
  • Track price changes on specific routes with persistent history
  • Analyze layover risks for multi‑leg itineraries
  • Find nearby airports and get distance‑based suggestions

よくある質問

1

Does Google Flights require an API key?

No, the server works without any API key.

2

What kind of data can I get from this server?

You get real‑time Google Flights data including flight prices, schedules, carbon emissions, price history, cabin class comparisons, and airport information.

3

How does price tracking work?

Price tracking uses SQLite for persistence, allowing you to monitor price changes over time and retrieve historical price data.

4

What tools are available?

The server provides 12 tools: search_flights, search_multi_city, get_calendar_heatmap, compare_cabin_classes, track_price, get_price_history, list_tracked_routes, get_price_insights, lookup_airport, find_nearby_airports, get_flight_url, and analyze_layovers.

5

Does it include environmental data like carbon emissions?

Yes, the server returns carbon emissions in kilograms of CO₂ for each flight.

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