About Duffel
Duffel is an MCP server published by pipeworx-io in the Search category: duffel MCP — live flight search + pricing via the Duffel Flights API (duffel.com).
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Install
From source
git clone https://github.com/pipeworx-io/mcp-duffelThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (1)
duffel_flight_searchSearch flights (with pricing) from <origin> to <destination> on <date> — returns the 5 cheapest real, bookable offers from the Duffel Flights API, each with total price, airline, and per-segment flight numbers/times. Pass `return_date` for a round trip. This is REAL flight inventory: use a Duffel test token (duffel_test_...) for sandbox results. Example: duffel_flight_search({ origin: "JFK", destination: "LHR", departure_date: "2026-08-15", passengers: 2, cabin_class: "economy", _apiKey: "duffel_test_..." })
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