Cortexa research tool·structure·biosamples

BioSamples Search By Filter

Search the EBI BioSamples database with structured attribute filters. More precise than text search - filters by specific metadata fields like organism, tissue, or disease. Example: attribute='organism', value='Homo sapiens' returns human samples; attribute='disease', value='melanoma' returns melanoma-specific samples.

Livelast probed 2026-05-01 01:00Z· 84msCortexa

Status

The most recent probe succeeded. Safe to call from the agent today.

Last probed: 1d ago
Last success: 1d ago
Last latency: 84ms

Schema

JSON Schema the agent (or your API call) must match.

{
  "properties": {
    "attribute": {
      "description": "Attribute name to filter on. Common attributes: 'organism', 'tissue', 'disease', 'cell type', 'sex', 'age'.",
      "type": "string"
    },
    "limit": {
      "description": "Maximum results to return (1-50, default 10).",
      "type": [
        "integer",
        "null"
      ]
    },
    "value": {
      "description": "Value to match for the attribute. Examples: 'Homo sapiens', 'liver', 'melanoma', 'female'.",
      "type": "string"
    }
  },
  "required": [
    "attribute",
    "value"
  ],
  "type": "object"
}

Examples (1)

Default BioSamples Search By Filter call

public-safeinput

{
  "attribute": "",
  "value": ""
}

Expected response keys: success

Anonymous-safe example. Rate-limited; no sign-in required.

Identifiers

Catalog ID: tu_BioSamples_search_by_filter
Tool name: BioSamples_search_by_filter
Added: 2026-05-01 00:58Z
Tags: tooluniverse

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