ZV-2026-1090 · 2026-09-15 · mcp.rationalbloks.com
mcp.rationalbloks.com: Field description was removed from create_graph_project input; consumers still sending it may be rejected or silently ignored.
breaking
What changed
Field description was removed from create_graph_project input; consumers still sending it may be rejected or silently ignored. Field description was removed from create_project input; consumers still sending it may be rejected or silently ignored.
What to do
If your agents call mcp.rationalbloks.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
− description Field description was removed from create_graph_project input; consumers still sending it may be rejected or silently ignored. − description Field description was removed from create_project input; consumers still sending it may be rejected or silently ignored. − Promote graph staging to production. Creates a separate production Neo4j instance with its… + Promote graph staging to production. Creates a separate production Neo4j instance with its… deploy_graph_production + confirm_destructive Optional field confirm_destructive was added to deploy_graph_production; may shift model behaviour. + confirm_destructive Optional field confirm_destructive was added to deploy_graph_staging; may shift model behaviour. − Promote staging to production (requires paid plan) + Promote staging to production (requires paid plan) A deploy that drops data is refused unt… deploy_production + confirm_destructive Optional field confirm_destructive was added to deploy_production; may shift model behaviour. + confirm_destructive Optional field confirm_destructive was added to deploy_staging; may shift model behaviour. − Get pre-built graph template schemas for common use cases. ⭐ USE THIS FIRST when creating … + Get pre-built graph template schemas for common use cases. ⭐ USE THIS FIRST when creating … get_graph_template_schemas − Get pre-built template schemas for common use cases. ⭐ USE THIS FIRST when creating a new … + Get pre-built template schemas for common use cases. ⭐ USE THIS FIRST when creating a new … get_template_schemas + dry_run Optional field dry_run was added to update_graph_schema; may shift model behaviour. − Deploy a graph project to the staging environment. This triggers: (1) Schema validation, (… + Deploy a graph project to the staging environment. This triggers: (1) Schema validation, (… deploy_graph_staging − Deploy a project to the staging environment. This triggers: (1) Schema validation, (2) Doc… + Deploy a project to the staging environment. This triggers: (1) Schema validation, (2) Doc… deploy_staging − Get the reference for ADVANCED schema features the templates do not show — read this befor… + Get the reference for ADVANCED schema features the templates do not show — read this befor… get_schema_reference − Update a graph project's schema (saves to database, does NOT deploy). ⚠️ Follow ALL rules… + Update a graph project's schema (saves to database, does NOT deploy). ⚠️ Follow ALL rules… update_graph_schema