list_vocabularies
List available medical vocabularies with statistics
How to use it
list_vocabularies is exposed by the Omophub MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the list_vocabularies tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
Install Omophub MCP
npx -y @omophub/omophub-mcpOther tools in Omophub MCP (12)
Look up and validate a medical code with mappings and hierarchy
Get concept details, hierarchy, and cross-vocabulary mappings in one call
Resolve a FHIR coded value (incl. administrative codes via the HL7 FHIR-to-OMOP IG ConceptMaps) to its OMOP standard concept and CDM target table
Resolve a FHIR CodeableConcept — best match by OHDSI vocabulary preference, honoring userSelected
Find concepts similar to a reference concept, name, or description
Get detailed info about a specific OMOP concept by conceptid
Look up a concept using a vocabulary-specific code (e.g., ICD-10 E11.9)
Navigate concept hierarchy - ancestors, descendants, or both
Map a concept to equivalent concepts in other vocabularies (paginated — see note below)
Guided workflow to build a concept set for a clinical phenotype
Search for medical concepts by name or clinical term across all vocabularies
Search using natural language with neural embeddings (understands clinical meaning)