google-flights-mcp

MCP server that enables Google Flights search via SerpApi, supporting one-way, round-trip, and multi-city itineraries with defaults for Business class, Star Alliance, and EUR pricing. It provides flight search, booking options, and usage tracking.

→ thealexauer/google-flights-mcp · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: SERPAPI_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configCACHE_DIR— .cache Cache directory path

configDEFAULT_AIRLINES— STAR_ALLIANCE Airline/alliance filter

configDEFAULT_CURRENCY— EUR Price currency

configDEFAULT_GL— at Google locale (affects pricing region)

configDEFAULT_HL— en Language

🔐 secretSERPAPI_KEY— (required) Your SerpApi API key

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 5 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/thealexauer-google-flights-mcp-11jvc0)](https://m8ven.ai/mcp/thealexauer-google-flights-mcp-11jvc0)

commit: 09ecc40f429277a7602258d0b28c6e5a1fb699b9

code hash: 7bad74b8cff7e6f744a636b90607758ac38647c3e82606607b558eb3a647a8bf

verified: 6/21/2026, 10:17:34 AM

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