MCP server exposing 6 tools for ebi-ols.
This URL is a JSON-RPC 2.0 endpoint over HTTP. Issue POST requests with a JSON-RPC body. Browsers and search crawlers land here on GET.
POST https://gateway.pipeworx.io/ebi-ols/mcp
Content-Type: application/json
{"jsonrpc":"2.0","id":1,"method":"tools/list"}list_ontologies — EMBL-EBI Ontology Lookup Service (OLS4) — page through every biomedical ontology loaded into OLS, such as GO, EFO, MONDO, ChEBI, HPO and UBERON. Returns each ontology's id, title, description, term count, version and status, with size/page controls. Answers which biomedical ontologies are searchable here and what the short id for one is.get_ontology — Ontology metadata by id (e.g. "efo", "mondo", "go").search — Full-text search across all ontologies (or one).get_term — Term details. Pass either iri, short_form, or obo_id (the latter two require ontology).term_ancestors — Transitive ancestors of a term.term_children — Direct children of a term.Code samples (curl / TypeScript / one-click client install), schemas, and the live playground are on the pack page:
https://pipeworx.io/packs/ebi-ols/
Pipeworx is an open MCP gateway connecting AI agents to live data. pipeworx.io