Public changelog

mcp.stayker.com

Contract history for the mcp.stayker.com MCP server, every tool-schema change Zevruna has observed, classified from the consumer's perspective.

90-day stability

quietsaferiskybreaking

3Breaking · 90d
3Advisories
5Snapshots kept
2026-08-19Last observed

Advisories

ZV-2026-0200 · 2026-08-19breaking

mcp.stayker.com: Field cancellation_token was removed from cancel_booking input; consumers still sending it may be rejected or silently ignored.

[risky] Description of cancel_booking changed (79% word delta). [breaking] Field cancellation_token_expires_at was removed from cancel_booking output; consumers reading it will break. [risky] Field cancellation_url was added to…

ZV-2026-0153 · 2026-08-18breaking

mcp.stayker.com: Field booking_id was renamed to confirmation_number on book_hotel.

[safe] Description of book_hotel changed (18% word delta). [risky] Description of get_booking changed (25% word delta). [breaking] Field booking_id was removed from get_booking input; consumers still sending it may be rejected or silently…

ZV-2026-0061 · 2026-08-16breaking

mcp.stayker.com: Field booking_id was removed from get_booking output; consumers reading it will break.

[risky] Field availability_status was added to get_hotel_details output. [risky] Field message was added to get_hotel_details output. [risky] Field next_step was added to get_hotel_details output.

Contract changelog

Every revision Zevruna has observed, classified from the consumer's side. Advisories above are the subset severe enough to publish.

2026-08-19 15:47breaking

+ 2 more in this revision

2026-08-18 11:18breaking

+ 8 more in this revision

2026-08-16 19:00breaking
2026-08-15 13:00risky

+ 80 more in this revision

Snapshot log

The hashes to pin against. Identical contracts hash identically.

ObservedContract hashTools
2026-08-19 15:47a6b617de35f88
2026-08-18 11:1846dc0fa397528
2026-08-16 19:00a1930e3de2958
2026-08-15 13:006e0e4a2031788
2026-08-12 21:37b576687ef30b8
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Contract status for mcp.stayker.com

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