OLS MCP Server

get_term_ancestors

Retrieve the ancestor terms (parents) of a specified term from ontologies in the OLS MCP Server. Input the term IRI and ontology identifier to receive a JSON-formatted list of hierarchical ancestors, optionally including obsolete terms.

Instructions

Get ancestor terms (parents) of a specific term.

Args: term_iri: The IRI of the term ontology: The ontology identifier include_obsolete: Include obsolete entities size: Maximum number of results

Returns: JSON formatted list of ancestor terms

Input Schema

Name	Required	Description	Default
`include_obsolete`	No
`ontology`	Yes
`size`	No
`term_iri`	Yes

Input Schema (JSON Schema)

{
  "properties": {
    "include_obsolete": {
      "default": false,
      "title": "Include Obsolete",
      "type": "boolean"
    },
    "ontology": {
      "title": "Ontology",
      "type": "string"
    },
    "size": {
      "default": 20,
      "title": "Size",
      "type": "integer"
    },
    "term_iri": {
      "title": "Term Iri",
      "type": "string"
    }
  },
  "required": [
    "term_iri",
    "ontology"
  ],
  "type": "object"
}

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