by EBISPOT · MCP Server · ★ 96
The Ontology Lookup Service (OLS) is a repository for biomedical ontologies that aims to provide a single point of access to the latest ontology versions. It provides a website, REST API, and MCP server. See also: The public OLS instance at EMBL-EBI: https://www.ebi.ac.uk/ols4/ OLS4: a new Ontology Lookup Service for a growing interdisciplinary knowledge ecosystem REST API docs MCP endpoint (Streamable HTTP): If you use OLS in your work, please cite our recent publication in Bioinformatics.
| Stars | 96 |
| Forks | 43 |
| Language | Java |
| Category | MCP Server |
| License | Apache-2.0 |
| Quality Score | 54.0884037812099/100 |
| Open Issues | 114 |
| Last Updated | 2026-07-08 |
| Created | 2022-05-25 |
| Platforms | java, mcp |
| Est. Tokens | ~18k |
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ols4 is The EMBL-EBI Ontology Lookup Service (OLS). It is categorized as a MCP Server with 96 GitHub stars.
ols4 is primarily written in Java. It covers topics such as embeddings, fair-data, knowledge-graph.
You can find installation instructions and usage details in the ols4 GitHub repository at github.com/EBISPOT/ols4. The project has 96 stars and 43 forks, indicating an active community.
ols4 is released under the Apache-2.0 license, making it free to use and modify according to the license terms.