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open-ontologies vs time

Side-by-side comparison to help you pick between these two MCP servers.

open-ontologies
by fabio-rovai
time
by modelcontextprotocol
Stars★ 110★ 85,748
30d uses
Score4977
Official
Categories
Knowledge GraphDeveloper ToolsAI / LLM Tools
ProductivityDeveloper ToolsCommunication
LanguageRustTypeScript
Last committhis monththis month

open-ontologies · Summary

AI-native ontology engine Rust MCP server with 43 tools for building, validating, and querying RDF/OWL ontologies using Oxigraph triple store.

time · Summary

A comprehensive MCP server providing time and timezone conversion tools with automatic system timezone detection.

open-ontologies · Use cases

  • AI-assisted ontology development and knowledge modeling
  • Validation and reasoning over RDF/OWL knowledge graphs
  • Automated ontology generation from natural language descriptions

time · Use cases

  • Assisting with international meeting scheduling across time zones
  • Providing real-time time information for location-based queries
  • Enabling time conversion for travel planning and itineraries

open-ontologies · Install

Installation

**Pre-built binaries:**

# macOS (Apple Silicon)
curl -LO https://github.com/fabio-rovai/open-ontologies/releases/latest/download/open-ontologies-aarch64-apple-darwin
chmod +x open-ontologies-aarch64-apple-darwin && mv open-ontologies-aarch64-apple-darwin /usr/local/bin/open-ontologies

# Linux (x86_64)
curl -LO https://github.com/fabio-rovai/open-ontologies/releases/latest/download/open-ontologies-x86_64-unknown-linux-gnu
chmod +x open-ontologies-x86_64-unknown-linux-gnu && mv open-ontologies-x86_64-unknown-linux-gnu /usr/local/bin/open-ontologies

**Connect to Claude Desktop:** Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "open-ontologies": {
      "command": "/path/to/open-ontologies",
      "args": ["serve"]
    }
  }
}

time · Install

Installation Options

**Using uv (recommended):**

uvx mcp-server-time

**Using PIP:**

pip install mcp-server-time
python -m mcp_server_time

**Configure for Claude Desktop:**

{
  "mcpServers": {
    "time": {
      "command": "uvx",
      "args": ["mcp-server-time"]
    }
  }
}
Comparison generated from public README + GitHub signals. Last updated automatically.