open-ontologies vs filesystem
Side-by-side comparison to help you pick between these two MCP servers.
open-ontologies by fabio-rovai | filesystem by modelcontextprotocol | |
|---|---|---|
| Stars | ★ 110 | ★ 85,748 |
| 30d uses | — | — |
| Score | 49 | 77 |
| Official | — | ✓ |
| Categories | Knowledge GraphDeveloper ToolsAI / LLM Tools | File SystemDeveloper ToolsProductivity |
| 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.
filesystem · Summary
A feature-rich MCP server for filesystem operations with dynamic directory access control.
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
filesystem · Use cases
- Enable AI models to read and write project files during development
- Allow Claude or other MCP clients to browse and analyze codebases
- Provide secure sandboxed access to specific directories for content generation
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"]
}
}
}filesystem · Install
Installation
Using NPX
{
"mcpServers": {
"filesystem": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-filesystem",
"/path/to/allowed/directory"
]
}
}
}Using Docker
{
"mcpServers": {
"filesystem": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"--mount", "type=bind,src=/path/to/allowed/dir,dst=/projects/allowed/dir",
"mcp/filesystem",
"/projects"
]
}
}
}VS Code Extension
Click the installation buttons in the README to install directly in VS Code.