ZV-2026-0662 · 2026-09-03 · mcp.artsdata.ca
mcp.artsdata.ca: Field languages was removed from search_events input; consumers still sending it may be rejected or silently ignored.
breaking
What changed
Field languages was removed from search_events input; consumers still sending it may be rejected or silently ignored.
What to do
If your agents call mcp.artsdata.ca, 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
− languages Field languages was removed from search_events input; consumers still sending it may be rejected or silently ignored. + end_date Field end_date was added to get_entity output. + event_attendance_mode Field event_attendance_mode was added to get_entity output. + event_status Field event_status was added to get_entity output. + location Field location was added to get_entity output. + organizer Field organizer was added to get_entity output. + performer Field performer was added to get_entity output. + start_date Field start_date was added to get_entity output. + language Optional field language was added to search_events; may shift model behaviour.