Browser-based RDF/ontology knowledge graph editor — load RDF from files, URLs or SPARQL endpoints; author nodes and edges on the canvas; run OWL-RL reasoning; apply multi-algorithm layout and clustering. AI-native via MCP tool surface and relay bridge. Fully client-side, no backend required.
visualization linked-data sparql rdf mcp semantic-web owl ontology knowledge-graph json-ld graph-editor turtle reasoning fair-data reactodia model-context-protocol
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Updated
Jul 23, 2026 - TypeScript