Contract history for the flights.flightpowers.com MCP server, every tool-schema change Zevruna has observed, classified from the consumer's perspective.
[risky] Default of use_fallback on search_oneway_flights changed false → null. [breaking] Type of use_fallback on search_roundtrip_flights changed boolean → unset. [risky] Default of use_fallback on search_roundtrip_flights changed false →…
Contract changelog
Every revision Zevruna has observed, classified from the consumer's side. Advisories above are the subset severe enough to publish.
2026-09-22 17:56risky
Optional field verbose was added to search_oneway_flights; may shift model behaviour.
Field from_airport was added to search_oneway_flights output.
Field results_returned was added to search_oneway_flights output.
Field results_total was added to search_oneway_flights output.
Optional field verbose was added to search_roundtrip_flights; may shift model behaviour.
Field from_airport was added to search_roundtrip_flights output.
Field results_returned was added to search_roundtrip_flights output.
Field results_total was added to search_roundtrip_flights output.
2026-09-22 13:46risky
risky Enum value quota_exceeded added to search_status on search_oneway_flights.
safe Description of search_roundtrip_flights changed (24% word delta).
risky Enum value quota_exceeded added to search_status on search_roundtrip_flights.
2026-09-22 09:34safe
Resource ui://flightpowers/flights-card.html was added.
2026-09-16 20:33risky
safe Description of search_oneway_flights changed (8% word delta).
risky Enum value trial_exhausted added to search_status on search_oneway_flights.
safe Description of search_roundtrip_flights changed (7% word delta).
risky Enum value trial_exhausted added to search_status on search_roundtrip_flights.
2026-09-08 04:31risky
safe Description of search_oneway_flights changed (8% word delta).
risky Field by_destination was added to search_oneway_flights output.
safe Description of search_roundtrip_flights changed (10% word delta).
risky Field by_destination was added to search_roundtrip_flights output.
2026-09-07 22:18safe
Description of search_oneway_flights changed (4% word delta).
Description of search_roundtrip_flights changed (4% word delta).
2026-09-06 22:56safe
Description of search_oneway_flights changed (3% word delta).
Description of search_roundtrip_flights changed (4% word delta).
2026-09-05 11:20risky
Description of search_oneway_flights changed (30% word delta).
Description of search_roundtrip_flights changed (29% word delta).
2026-08-27 21:35risky
Field api_usage was added to search_oneway_flights output.
Field message was added to search_oneway_flights output.
Field needs_api_key was added to search_oneway_flights output.
Field partial was added to search_oneway_flights output.
Field quota_exhausted was added to search_oneway_flights output.
Field result_count was added to search_oneway_flights output.
Field results was added to search_oneway_flights output.
Field search_coverage was added to search_oneway_flights output.
+ 12 more in this revision
2026-08-26 06:53breaking
breaking Type of use_fallback on search_oneway_flights changed boolean → unset.
risky Default of use_fallback on search_oneway_flights changed false → null.
breaking Type of use_fallback on search_roundtrip_flights changed boolean → unset.
risky Default of use_fallback on search_roundtrip_flights changed false → null.
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