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A cypher interface for an MCP is really efficient. I'm running multiple MCPs that way. The trick is also exposing a describe-style tool the model calls before writing queries. Having a schema-introspective tool means you don't have to deal with the schema directly. The knowledge graph deals with it itself, and lets the agent iteratively investigate the graph and then write a query that gives it exactly what it needs. I'm running MCPs across pretty different domains including legal, oil and gas, and codebases. It's surprisingly versatile.

Instances that have not updated to the latest version of the schema will ignore the additional property but will not break or conflict.

The CRDT enables eventual consistency on these schema updates, so a new field will be eventually consistent