Open Ontologies MCP Server

Name: Open Ontologies MCP Server
Author: fabio-rovai

v1.0.0•APIs•stable

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,

ai-nativeclaudedescription-logicsknowledge-graphlinked-data

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About

Features

AI-native ontology engine: a Rust MCP server with tools for

Use Cases

AI-native ontology engine: a Rust MCP server with tools for building, validating

fabio-rovai

Maintainer

LicenseMIT

Languagerust

Versionv1.0.0

UpdatedMay 21, 2026

Statushealthy

Maintenanceactive

Works with

ClaudeOpenAIwindowsmacoslinux

View Source Browse All Servers

Installation

Manual Installation

npx open-ontologies

Examples

Basic Configuration

Configure Open Ontologies MCP Server

npx open-ontologies

Configuration

Configuration Details

Config File

claude_desktop_config.json

Web UI

Not available

Security

Authentication

RequiredNo

Features

Data Encryption

Audit Logging

RBAC Support

Performance

Response Metrics

Response Time< 200ms

ThroughputMedium

Resource Usage

Memory UsageLow

CPU UsageLow

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Set Up Open Ontologies MCP Server in Your Editor

Choose your AI client for step-by-step setup instructions.

🖥️

Claude Desktop

macOS & Windows app

⌨️

Claude Code

CLI & terminal

📝

Cursor

AI-first code editor

💻

VS Code

GitHub Copilot MCP

🏄

Windsurf

Codeium AI editor

🔌

Cline

VS Code extension

Quick Config Preview

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

Add this to your claude_desktop_config.json or .cursor/mcp.json

Read the full setup guide →

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