Yes, Keymaker can connect to any number of Neo4j Databases. Each engine you create must be tied to a single database connection.
Keymaker employs a specialized GraphQL API to execute the analytics engines you create.
Find out more in the Keymaker documentation section.
Other users can only see the database connections and engines you create if you make them public or share them with individual users.
Keymaker is compatible with Neo4j Aura, Neo4j causal clusters, and standalone Neo4j deployments. Keymaker is compatible with Neo4j 4.x and 5.x.