fabio-rovai

open-ontologies

Name: fabio-rovai/open-ontologies
Author: fabio-rovai

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.

MCP Servers83 stars10 forks● RustMITUpdated 6d ago

ClaudeWave Trust Score

87/100

✓ Trusted

Passed

✓Open-source license (MIT)
✓Actively maintained (<30d)
✓Clear description
✓Topics declared

Last scanned: 4/14/2026

Install in Claude Desktop

Method detected: Manual

{
  "mcpServers": {
    "open-ontologies": {
      "command": "node",
      "args": ["/path/to/open-ontologies/dist/index.js"]
    }
  }
}

1. Copy the snippet above.

2. Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (Mac) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

3. Replace any <placeholder> values with your API keys or paths.

4. Restart Claude Desktop. The MCP server appears automatically.

💡 Clone https://github.com/fabio-rovai/open-ontologies and follow its README for install instructions.

Use cases

🗄️ Data & DB

About

MCP Servers overview

README preview not available. Visit the repo on GitHub for full documentation.

Topics

ai-nativeclaudedescription-logicsknowledge-graphlinked-datamcpmcp-serverontologyowlowl2oxigraphreasoningrustshaclsparqltriplestore

Frequently asked

What people ask about open-ontologies

What is fabio-rovai/open-ontologies?

fabio-rovai/open-ontologies is mcp servers for the Claude AI ecosystem. 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. It has 83 GitHub stars and was last updated 6d ago.

How do I install open-ontologies?

You can install open-ontologies by cloning the repository (https://github.com/fabio-rovai/open-ontologies) or following the README instructions on GitHub. ClaudeWave also provides quick install blocks on this page.

Is fabio-rovai/open-ontologies safe to use?

Our security agent has analyzed fabio-rovai/open-ontologies and assigned a Trust Score of 87/100 (tier: Trusted). See the full breakdown of passed checks and flags on this page.

Who maintains fabio-rovai/open-ontologies?

fabio-rovai/open-ontologies is maintained by fabio-rovai. The last recorded GitHub activity is from 6d ago, with 0 open issues.

Are there alternatives to open-ontologies?

Yes. On ClaudeWave you can browse similar mcp servers at /categories/mcp, sorted by popularity or recent activity.

1-click deploy

Deploy open-ontologies to your cloud

Ship this repo to production in minutes. Each platform spins up its own environment with editable env vars.

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