ZV-2026-0061 · 2026-08-16 · mcp.stayker.com
mcp.stayker.com: Field booking_id was removed from get_booking output; consumers reading it will break.
breaking
What changed
Field booking_id was removed from get_booking output; consumers reading it will break.
What to do
If your agents call mcp.stayker.com, pin the new snapshot, patch the affected call sites, and let a green contract check confirm the fix. If you don't use the changed tools, nothing is required, but the rest of the ecosystem just learned about it at the same moment you did.
The redline
− booking_id Field booking_id was removed from get_booking output; consumers reading it will break. + availability_status Field availability_status was added to get_hotel_details output. + message Field message was added to get_hotel_details output. + next_step Field next_step was added to get_hotel_details output.