MCP Directory

fabio-rovai/open-ontologies

GitHub
Productivity

AI-native ontology engineering with 39 tools and 5 prompts for OWL/RDF/SPARQL. Validate, query, diff, lint, version, and govern knowledge graphs via Oxigraph triple store.

Direct install

Run the underlying MCP server directly — without Agent-CoreX routing.

npx -y open-ontologies

Use with Agent-CoreX

Agent-CoreX intelligently routes which tools from fabio-rovai/open-ontologies your AI agent actually needs per request — reducing token usage and cost.

agent-corex.json

{
  "mcpServers": {
    "open-ontologies": {
      "command": "npx",
      "args": [
        "-y",
        "open-ontologies"
      ]
    }
  }
}

Route fabio-rovai/open-ontologies intelligently

Connect in 2 minutes. Only pay for the tools your agent actually uses.

Installation Guide

Use with Agent-CoreX

Recommended: intelligent tool routing, lower costs

uvx agent-corex mcp add open-ontologies

Agent-CoreX selects only the tools your agent needs, cutting token usage by up to 60%.

Direct Install

Use fabio-rovai/open-ontologies directly without routing

npx -y open-ontologies

New to Agent-CoreX? View setup guide →

fabio-rovai/open-ontologies MCP Server — Agent-CoreX