Hydrogen Studies

{
  "mcpServers": {
    "com.hydrogenstudies/research": {
      "url": "https://hydrogenstudies.com/mcp"
    }
  }
}

Indexed tools

Tool metadata and schemas come from the remote server and are untrusted. Indexing only lists tools; it never calls them.

8 shown · authentication unknown

• Aggregate studies

  aggregate_studies

  Count matching studies grouped by year, subject, design, delivery_method, outcome, country, condition or species — for trends and 'how many' questions. Unknown values are counted separately.

  Schema valid · SHA-256 64118659910a…

  View input schema

  {
    "type": "object",
    "properties": {
      "query": {
        "type": "string",
        "maxLength": 300,
        "description": "Full-text search terms, e.g. 'exercise fatigue lactate'"
      },
      "condition": {
        "type": "string",
        "maxLength": 100,
        "description": "Condition hub slug or name, e.g. 'blood-pressure' or 'Blood Pressure' (see list_conditions)"
      },
      "subject": {
        "type": "string",
        "enum": [
          "human",
          "animal",
          "in_vitro",
          "review"
        ],
        "description": "Who/what was studied"
      },
      "design": {
        "type": "string",
        "enum": [
          "rct",
          "controlled_trial",
          "uncontrolled_trial",
          "observational",
          "case_report",
          "meta_analysis",
          "review",
          "animal",
          "in_vitro",
          "other"
        ],
        "description": "Study design"
      },
      "delivery_method": {
        "type": "string",
        "enum": [
          "inhalation",
          "drinking_water",
          "hydrogen_saline",
          "culture_medium",
          "bathing",
          "topical",
          "tablet",
          "mixed",
          "other"
        ],
        "description": "How hydrogen was administered"
      },
      "outcome": {
        "type": "string",
        "enum": [
          "positive",
          "neutral",
          "negative",
          "mixed"
        ],
        "description": "Direction of the reported hydrogen effect"
      },
      "year_from": {
        "type": "integer",
        "minimum": 1900,
        "maximum": 2100
      },
      "year_to": {
        "type": "integer",
        "minimum": 1900,
        "maximum": 2100
      },
      "min_sample_size": {
        "type": "integer",
        "minimum": 1,
        "description": "Minimum participants/animals"
      },
      "group_by": {
        "type": "string",
        "enum": [
          "year",
          "subject",
          "design",
          "delivery_method",
          "outcome",
          "country",
          "condition",
          "species"
        ]
      },
      "top": {
        "type": "integer",
        "minimum": 1,
        "maximum": 100,
        "description": "Max buckets returned (default 40)"
      }
    },
    "required": [
      "group_by"
    ],
    "additionalProperties": false,
    "$schema": "http://json-schema.org/draft-07/schema#"
  }