EBI OLS
live BioOntologyEBI Ontology Lookup Service — ~250 biomedical ontologies (GO, EFO, MONDO, CL, ChEBI, …). Keyless.
6 tools
0ms auth
free tier 50 calls/day
Tools
list_ontologies List loaded ontologies.
Parameters
Name Type Description
size opt number — page opt number — Try it
Response
get_ontology
required: id Ontology metadata.
Parameters
Name Type Description
id req string — Try it
Response
search
required: query Full-text search across ontologies.
Parameters
Name Type Description
query req string — ontology opt string — type opt string — exact opt boolean — rows opt number — Try it
Response
get_term
required: ontology Term by iri / short_form / obo_id.
Parameters
Name Type Description
ontology req string — iri opt string — short_form opt string — obo_id opt string — Try it
Response
term_ancestors
required: ontology, iri Transitive ancestors.
Parameters
Name Type Description
ontology req string — iri req string — Try it
Response
term_children
required: ontology, iri Direct children.
Parameters
Name Type Description
ontology req string — iri req string — Try it
Response
Test with curl
The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.
List available tools
bash
curl -X POST https://gateway.pipeworx.io/ebi-ols/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'Call a tool
bash
curl -X POST https://gateway.pipeworx.io/ebi-ols/mcp \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"list_ontologies","arguments":{}}}'Use with the SDK
Install @pipeworx/sdk to call tools from any TypeScript/Node project.
TypeScript
import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("list_ontologies", {}); ask_pipeworx
// Or ask in plain English:
const answer = await px.ask("ebi ontology lookup service — ~250 biomedical ontologies (go, efo, mondo, cl, chebi, …)");Related packs
Other Pipeworx packs in the same categories (Bio, Ontology):