open-ontologiesKnowledge & MemoryDatabasesDeveloper Toolsfabio-rovaiAlicenseAqualityAmaintenanceAI-native ontology engineering MCP server for OWL/RDF/SPARQL. Validate, query, diff, lint, version, and govern knowledge graphs via Oxigraph triple store. Updated a day ago (2026-10-29 11:50 UTC)422,071MIT