ZV-2026-1111 · 2026-09-16 · mcp.artsdata.ca
mcp.artsdata.ca: Field types was removed from search_events input; consumers still sending it may be rejected or silently ignored.
breaking
What changed
Field types 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
− types Field types was removed from search_events input; consumers still sending it may be rejected or silently ignored. + has_event_type_concept Optional field has_event_type_concept was added to search_events; may shift model behaviour. − Tool to search for events in the Artsdata knowledge graph by place, artist, organization, … + Tool to search for events in the Artsdata knowledge graph by place, artist, organization, … search_events