Add FlightSeatMap (remote MCP server)

[jackculpan]

Adds servers/flightseatmap/ — a remote hosted server, so no Dockerfile or image build is needed.

Endpoint	https://mcp.flightseatmap.com/mcp
Transport	streamable-http
Category	travel
Docs	https://flightseatmap.com/mcp
Source	https://github.com/FlightSeatmap/mcp (MIT)
Maintainer	FlightSeatMap (Merchant Software Solutions Limited, UK company no. 14098922)

Seat maps, seat ratings, traveller reviews and seat alerts for 117 airlines. 10 tools: get_seatmap, find_best_seats, get_seat_info, interactive_seat_finder, get_seat_reviews, discover_more_flight_tools, search_flight, create_seat_alert, list_seat_alerts, delete_seat_alert — 6 of the 10 work without authentication.

On the omitted oauth block

Deliberate, and it matches servers/ais-fleet and our other PR for servers/award-travel-finder (#4834). The oauth block in this repo provisions a pre-issued secret (a personal access token in an env var). We have no API key and no PAT — auth is OAuth 2.1 exactly as the MCP spec describes:

• Unauthenticated calls return an RFC 9728 WWW-Authenticate challenge pointing at /.well-known/oauth-protected-resource
• RFC 7591 dynamic client registration is supported, so there is no client ID to provision either
• The user signs in through their browser on the first tool call that needs it

So there is nothing for the toolkit to store as a secret.

tools.json is []

Per CONTRIBUTING, remote servers use dynamic tool discovery, and dynamic.tools: true is set. initialize and tools/list are answered unauthenticated on purpose, so the catalogue can be enumerated before any sign-in:

curl -s -X POST https://mcp.flightseatmap.com/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"test","version":"1.0"}}}'

That returns serverInfo.name: "FlightSeatMap" and confirms the endpoint is live.

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