open-ontologies

AI-native ontology engine: a Rust MCP server with tools for building, validating, querying, and reasoning over RDF/OWL ontologies. In-memory Oxigraph triple store, native OWL2-DL tableaux reasoner, SHACL validation, SPARQL, versioning. Single binary, no JVM.

{
  "mcpServers": {
    "open-ontologies": {
      "command": "cargo",
      "args": [
        "run",
        "--",
        "open-ontologies"
      ]
    }
  }
}

claude mcp add open-ontologies cargo run -- open-ontologies

{
  "mcpServers": {
    "open-ontologies": {
      "command": "cargo",
      "args": [
        "run",
        "--",
        "open-ontologies"
      ]
    }
  }
}