open-ontologies

by fabio-rovai · MCP Server · ★ 178

About open-ontologies

Open Ontologies A Terraforming MCP for Knowledge Graphs Validate, classify, and govern AI-generated ontologies. Written in Rust. Ships as a single binary. Quick Start · Studio · Benchmarks · IES · Tools · <a href

ai-nativeclaudedescription-logicsknowledge-graphlinked-datamcpmcp-serverontologyowlowl2

Quick Facts

Stars178
Forks25
LanguageRust
CategoryMCP Server
LicenseMIT
Quality Score71.5205089448436/100
Open Issues2
Last Updated2026-07-06
Created2026-03-09
Platformsclaude-code, mcp, rust
Est. Tokens~32k

Compatible Skills

These tools work well together with open-ontologies for enhanced workflows:

  • wigtn-plugins-with-claude-code — semantic(0.35)+complementary+rare_topics+similar_pop+shared_platform (52%)
  • os-moda — semantic(0.17)+complementary+same_lang+similar_pop+shared_platform (51%)

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Frequently Asked Questions

What is open-ontologies?

open-ontologies is 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, SH. It is categorized as a MCP Server with 178 GitHub stars.

What programming language is open-ontologies written in?

open-ontologies is primarily written in Rust. It covers topics such as ai-native, claude, description-logics.

How do I install or use open-ontologies?

You can find installation instructions and usage details in the open-ontologies GitHub repository at github.com/fabio-rovai/open-ontologies. The project has 178 stars and 25 forks, indicating an active community.

What license does open-ontologies use?

open-ontologies is released under the MIT license, making it free to use and modify according to the license terms.

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