clinicaltrials_get_field_values

Active

declared in 2.8.0

Discover valid values for ClinicalTrials.gov fields with study counts per value. Use to explore available filter options before building a search — e.g., valid OverallStatus, Phase, InterventionType, StudyType, or LeadSponsorClass values.

Parameters schema

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "fields"
  ],
  "properties": {
    "fields": {
      "anyOf": [
        {
          "type": "string",
          "description": "A single PascalCase field name."
        },
        {
          "type": "array",
          "items": {
            "type": "string"
          },
          "minItems": 1,
          "description": "Multiple PascalCase field names (at least one required)."
        }
      ],
      "description": "PascalCase field name(s) to get value statistics for. Examples: OverallStatus, Phase, StudyType, Sex, LeadSponsorClass. Use clinicaltrials_get_field_definitions with a query to find more field names."
    }
  }
}

What this tool wraps· 1 endpoint

min confidence0.70 0.50

Data resourceClinicalTrials.gov API
NIH · science
name mention0.85

Parent server

clinicaltrialsgov-mcp-server

https://github.com/cyanheads/clinicaltrialsgov-mcp-server

3/7 registries

View full server →