open-ontologies vs everything
Side-by-side comparison to help you pick between these two MCP servers.
open-ontologies by fabio-rovai | everything by modelcontextprotocol | |
|---|---|---|
| Stars | ★ 110 | ★ 85,748 |
| 30d uses | — | — |
| Score | 49 | 77 |
| Official | — | ✓ |
| Categories | Knowledge GraphDeveloper ToolsAI / LLM Tools | Developer ToolsAI / LLM ToolsOther |
| Language | Rust | TypeScript |
| Last commit | this month | this 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.
everything · Summary
Official MCP test server exercising all protocol features for client builders.
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
everything · Use cases
- Testing MCP client implementations against all protocol features
- Learning MCP protocol capabilities through a reference server
- Validating client compatibility with different transport methods
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"]
}
}
}everything · Install
NPX (recommended)
{
"mcpServers": {
"everything": {
"command": "npx",
"args": ["-y", "@modelcontextprotocol/server-everything"]
}
}
}On Windows, use cmd /c:
{
"mcpServers": {
"everything": {
"command": "cmd",
"args": ["/c", "npx", "-y", "@modelcontextprotocol/server-everything"]
}
}
}Docker
{
"mcpServers": {
"everything": {
"command": "docker",
"args": ["run", "-i", "--rm", "mcp/everything"]
}
}
}Global install
npm install -g @modelcontextprotocol/server-everything@latest
npx @modelcontextprotocol/server-everything