open-ontologies
Rank #225glama/fabio-rovai/open-ontologies
AI-native ontology engineering MCP server for OWL/RDF/SPARQL. Validate, query, diff, lint, version, and govern knowledge graphs via Oxigraph triple store.
open-ontologies is a Model Context Protocol (MCP) server published by fabio-rovai. It ranks #225 of 132,046 servers tracked on MCP Toplist, and its repository has 518 GitHub stars. open-ontologies is listed on Glama, with 11 release tags tracked from its GitHub repository. It was first listed on Mar 13, 2026 and most recently updated on Sep 15, 2026.
Ranks ahead of 131,821 of 132,046 servers on MCP Toplist.
Use open-ontologies
No credentials or required configuration declared — add it to your MCP client and go.
This server doesn't publish a machine-readable install config — see the repository README for install instructions.
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[](https://mcptoplist.com/server/glama%2Ffabio-rovai%2Fopen-ontologies)<a href="https://mcptoplist.com/server/glama%2Ffabio-rovai%2Fopen-ontologies"><img src="https://mcptoplist.com/badge/glama%2Ffabio-rovai%2Fopen-ontologies.svg" alt="MCP Toplist: Top 1% of 132,046" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 1 registry
fabio-rovai
GitHub releases (11)
No registry surfaces explicit version metadata for this server. The list below shows release tags from the linked GitHub repository.
| Version | Published |
|---|---|
| v1.4.0 | Sep 15, 2026 |
| v1.3.0 | Sep 4, 2026 |
| v1.2.1 | Sep 2, 2026 |
| v1.2.0 | Aug 15, 2026 |
| v1.1.1 | Aug 5, 2026 |
| v1.1.0 | Aug 5, 2026 |
| v1.0.0 | Jun 13, 2026 |
| v0.1.11 | Mar 25, 2026 |
| v0.1.10 | Mar 13, 2026 |
| v0.1.9 | Mar 13, 2026 |
| v0.1.8 | Mar 13, 2026 |
Frequently asked questions
- Who maintains open-ontologies?
- open-ontologies is maintained by fabio-rovai, which publishes 1 MCP server (11 total versions) tracked on MCP Toplist.
- Is open-ontologies listed on the Official MCP Registry?
- open-ontologies is not on the Official MCP Registry. It is listed on Glama.
- How many versions does open-ontologies have?
- No registry surfaces explicit version metadata for open-ontologies; MCP Toplist tracks 11 release tags from its GitHub repository, most recently published on Sep 15, 2026.
- Where can I find the source code for open-ontologies?
- The source code for open-ontologies is hosted at github.com/fabio-rovai/open-ontologies.
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