Google MCP Server

The most feature-rich MCP server for Google Flights. 12 tools for search, price tracking, cabin comparison, emissions, layover analysis, and more. No

Local serverstdioTypeScript

What is the Google MCP server?

The most feature-rich MCP server for Google Flights. 12 tools for search, price tracking, cabin comparison, emissions, layover analysis, and more. No API key required. The google mcp server wraps that behind the Model Context Protocol, so an assistant can use it through 7 defined tools rather than through you.

What it actually does

  • Carbon emissions — per flight and per leg (CO2 in kg)
  • Price context — Google's own assessment of whether a price is low, typical, or high
  • Price tracking — track prices over time with SQLite persistence, detect drops and trends
  • Calendar heatmap — 60 days of daily prices in a single API call
  • Cabin class comparison — economy vs premium vs business vs first, side by side
  • Nearby airport suggestions — find cheaper alternatives (e.g., EWR/LGA near JFK)

Its toolset

Everything the assistant can do here goes through one of these:

  • lookup_airport — Search 8,800+ airports by city, name, IATA code, or country
  • find_nearby_airports — Find alternative airports within a radius (default: 200km). Uses Haversine distance
  • Search — The Search tool exposed by this server
  • Utility — The Utility tool exposed by this server
  • get_calendar_heatmap — Cheapest: $384 (2026-02-12) Most expensive: $870 (2026-04-13) Average: $632
  • Reliability — The Reliability tool exposed by this server
  • Design — See CLAUDE.md for architecture details and the Google Flights response format reference

Adding it to your client

The server ships on npm as google-flights-mcp, so your MCP client can launch it on demand — there is no separate build step. Add the server block to your client's configuration, restart it, and the tools register themselves.

When to reach for it

Among the database access options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. Google's toolset — lookup_airport, find_nearby_airports, Search and 4 more — is a fair guide to whether it matches your workflow. It is maintained by andreacappelletti97; worth a glance at recent repository activity before you build anything load-bearing on it.

This entry was verified against Google's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.

Caveats

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • MCP clients confirm each tool call by default. Leave that on until you have watched what the google mcp server does with a few real requests.

Available tools

ToolWhat it does
lookup_airportSearch 8,800+ airports by city, name, IATA code, or country.
find_nearby_airportsFind alternative airports within a radius (default: 200km). Uses Haversine distance.
SearchThe Search tool exposed by this server.
UtilityThe Utility tool exposed by this server.
get_calendar_heatmapCheapest: $384 (2026-02-12) Most expensive: $870 (2026-04-13) Average: $632
ReliabilityThe Reliability tool exposed by this server.
DesignSee [CLAUDE.md](CLAUDE.md) for architecture details and the Google Flights response format reference.

How to install the Google MCP server

{
  "mcpServers": {
    "flights-1": {
      "command": "npx",
      "args": ["-y", "google-flights-mcp"]
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Example prompts to try

  • Use Google to lookup airport.
  • Use Google to find nearby airports.
  • Use Google to Search.

Frequently asked questions

It connects Google to MCP-compatible AI assistants such as Claude and Cursor, exposing 7 tools (lookup_airport, find_nearby_airports, Search, and more) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with Google directly.