by EBISPOT · MCP Server · ★ 93
Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h
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. This repository contains three projects: The dataloader ( directory) The API server ( directory) The React frontend ( directory) Deploying OLS4 First run the OLS dataload (requires Docker): OLS4CONFIG=./dataload/configs/efo.json ./dataload.sh This will create a PostgreSQL database in the directory. Now start the OLS stack: HOSTUID=$(id -u) HOSTGID=$(id -g) docker compose up You should no
| Stars | 93 |
| Forks | 42 |
| Language | Java |
| Category | MCP Server |
| License | Apache-2.0 |
| Quality Score | 37.61/100 |
| Open Issues | 105 |
| Last Updated | 2026-06-18 |
| Created | 2022-05-25 |
| Platforms | java, mcp |
| Est. Tokens | ~18k |
Looking for a ols4 alternative? If you're comparing ols4 with other mcp server tools, these 6 projects are the closest alternatives on Agent Skills Hub — ranked by topic overlap, star count, and community traction.
Semantic code searcher and codebase utility
Stop re-explaining yourself to AI. MARM offers persistent memory, cross-agent context sharing, write queues, s
🦀 Prevents outdated Rust code suggestions from AI assistants. This MCP server fetches current crate docs, use
Persistent memory for AI coding agents
AI-native ontology engine: a Rust MCP server with tools for building, validating, querying, and reasoning over
Browser-based RDF/ontology knowledge graph editor — load RDF from files, URLs or SPARQL endpoints; author node
Explore other popular mcp server tools:
ols4 is The EMBL-EBI Ontology Lookup Service (OLS). It is categorized as a MCP Server with 93 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 93 stars and 42 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.
The top alternatives to ols4 on Agent Skills Hub include octocode, MARM-Systems, rust-docs-mcp-server. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.