AI-native ontology engineering using 50+ MCP tools backed by an in-memory Oxigraph triple store. Build, validate, query, and govern RDF/OWL ontologies with a generate-validate-iterate loop. Use when building ontologies, knowledge graphs, RDF data, SPARQL queries, BORO/4D modeling, SHACL validation, clinical terminology mapping, ingesting from CSV/JSON/Parquet/XLSX or SQL backbones (PostgreSQL, DuckDB), or Terraform-style ontology lifecycle management.
How to install open-ontologies?
fabio-rovai/open-ontologies
$npx -y skills add fabio-rovai/open-ontologies --skill open-ontologiesInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/fabio-rovai/open-ontologies" --skill "fabio-rovai/open-ontologies"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/fabio-rovai/open-ontologies" that are relevant to the current task. Run `npx skills add "https://github.com/fabio-rovai/open-ontologies"` and select the relevant skills, then follow their instructions.
Related
6 picksType
- researchInvestigate a question against high-trust primary sources and capture the findings as a Markdown file in the repo.Jul 2026
- analyze-projectRigor Analyze / Rigor Audit read-only skill for deep learning research repositories.Jul 2026
- paper-context-resolverRigor Paper Context helper for README-first deep learning repo reproduction.Jul 2026
- repo-intake-and-planRigor Intake helper for README-first deep learning repo reproduction.Jul 2026
- firecrawl-searchWeb search with full page content extraction. Use this skill whenever the user asks to search the web, find articles, research a topic, look something up, find…Jul 2026
- customer-researchWhen the user wants to conduct, analyze, or synthesize customer research.Jul 2026
