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Flight Search MCP server

by arjunprabhulal·io.github.arjunprabhulal/mcp-flight-search·v0.3.0·43 stars
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Search Google Flights through SerpApi: one-way and round-trip flights by IATA airport code.

B83/100grade B
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Safety scan
B83/100

full report

Adoption
Growing

43 stars11 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Flight Search tools (2)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • search_flights_tool

    Search Google Flights for one-way or round-trip flights between two airports.

  • server_status

    Check that the flight search server is running.

Public scan report

scanner v0.1.10 · 2026-10-15 · same rubric, same numbers if you re-run it

no findings
  • Code scan8 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 0 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 83/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Flight Search compares

Against every graded Web search MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
83/100
higher than 70% of 3,470 Web search servers
Tools
2
the typical Web search server has 5
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
GitHub stars
43
more than 91% of 1,786 Web search servers
Downloads a week
11
more than 3% of 827 Web search servers with a package

What its tools let an agent do: 2 read

Install Flight Search in Claude Code, Cursor or VS Code

claude mcp add mcp-flight-search -- uvx mcp-flight-search
Add to Cursor

What the publisher says

From the Flight Search repository's README, as published. We do not edit it. Read it on GitHub

MCP Flight Search

<!-- mcp-name: io.github.arjunprabhulal/mcp-flight-search -->

An MCP server that searches Google Flights through SerpApi, for Claude, Cursor and other MCP clients. One-way and round-trip searches by IATA airport code, with prices, durations, stops and times.

Requirements

  • Python 3.10 or later (or uv)
  • A SerpApi key in SERPAPIKEY (serpapi.com has a free tier)

Use it from an MCP client

Add it to your client's MCP configuration (Claude Desktop, Claude Code, Cursor, ...):

{
  "mcpServers": {
    "flight-search": {
      "command": "uvx",
      "args": ["mcp-flight-search"],
      "env": { "SERP_API_KEY": "your-serpapi-key" }
    }
  }
}

Or install it with pip install mcp-flight-search and use "command": "mcp-flight-search".

Run it yourself

export SERP_API_KEY="your-serpapi-key"
mcp-flight-search                                    # stdio (default)
mcp-flight-search --connection_type http --port 3001 # Streamable HTTP at http://127.0.0.1:3001/mcp

LOG_LEVEL=DEBUG shows more detail on stderr. The API key is never logged.

With Docker:

docker build -t mcp-flight-search .
docker run -i --rm -e SERP_API_KEY=your-serpapi-key mcp-flight-search

Tools

Development

uv sync
uv run pytest
uv run ruff check .

License

MIT

Nothing above is checked by us. What we check is on the safety report.

Flight Search: common questions

Is Flight Search MCP server safe?
Mostly: it is graded B (83/100). Read the Flight Search safety report
How do I install Flight Search?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Flight Search need an API key?
Yes. The registry entry asks for SERP_API_KEY.
Is Flight Search maintained?
The last commit was 20 days ago (2026-10-15). The latest release is v0.3.0.
What can I use instead of Flight Search?
Servers from other publishers that do the same job: Google Flights MCP server, SerpApi MCP server and LetsFG — Flights & Hotels MCP server.
How does Flight Search compare with other Web search MCP servers?
safety score 83/100 (higher than 70% of 3,470 Web search servers); tools 2 (the typical Web search server has 5); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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