Odoo 20 docs Advanced MCP Server Ontology Layer Ontology Layer The ontology layer maps business concepts to Odoo models so AI clients can work with business terms. Read concepts for the available definitions, then use mappings when a company needs a concept to resolve to a different model. Ontology Concepts What is a Concept? Where to find them The Concept form How the AI uses concepts When to add a new Concept Ontology Mappings Where to find them The Mapping form Resolution order Multi-company example Writing the domain When to use mappings