Tools (6)

search_pubmed
get_article
mesh_lookup
search_trials
get_trial
report_feedback

search_pubmed

Search PubMed for biomedical literature.

Searches 35M+ abstracts across all biomedical and life science fields.
Returns title, authors, journal, publication date, and DOI.

Args:
query: Search query. Supports PubMed syntax (e.g., "diabetes[MeSH] AND insulin",
"COVID-19 vaccine efficacy"). Plain keywords also work.
max_results: Number of results to return (1–100, default 10).
date_from: Filter by publication date start (YYYY/MM/DD or YYYY).
date_to: Filter by publication date end (YYYY/MM/DD or YYYY).

Returns:
List of articles with pmid, title, authors, journal, pub_date, and doi.
Note: Abstracts are not included in search results — use get_article for full text.

Parameter	Type	Required	Description
`query`	`string`	required	Search query. Supports PubMed syntax (e.g., "diabetes[MeSH] AND insulin", "COVID-19 vaccine efficacy"). Plain keywords also work.
`max_results`	`integer`	optional	Number of results to return (1–100, default 10). (default: 10)
`date_from`	`any`	optional	Filter by publication date start (YYYY/MM/DD or YYYY).
`date_to`	`any`	optional	Filter by publication date end (YYYY/MM/DD or YYYY).

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "search_pubmed",
    "arguments": {
      "query": "example"
    }
  }
}

get_article

Fetch full metadata and abstract for a PubMed article.

Args:
pmid: PubMed ID (e.g., "33972843"). Found in search_pubmed results.

Returns:
Full article record including title, authors, abstract, journal, pub_date, and doi.

Parameter	Type	Required	Description
`pmid`	`string`	required	PubMed ID (e.g., "33972843"). Found in search_pubmed results.

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "get_article",
    "arguments": {
      "pmid": "example"
    }
  }
}

mesh_lookup

Look up a MeSH (Medical Subject Headings) term.

MeSH is the NLM's controlled vocabulary for indexing biomedical literature.
Use this to find canonical term names, definitions, and related terms.

Args:
term: The medical term to look up (e.g., "Diabetes Mellitus", "Hypertension").

Returns:
MeSH entry with canonical name, scope note (definition), tree numbers,
and synonyms. Returns empty result if term not found.

Parameter	Type	Required	Description
`term`	`string`	required	The medical term to look up (e.g., "Diabetes Mellitus", "Hypertension").

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "mesh_lookup",
    "arguments": {
      "term": "example"
    }
  }
}

search_trials

Search ClinicalTrials.gov for clinical trials by condition.

Returns trial summaries including NCT ID, title, status, phase, conditions,
interventions, and sponsor.

Args:
condition: Medical condition to search for.
status: Trial status filter.
phase: Trial phase filter.
country: Country filter.
max_results: Number of results (1–50, default 10).

Returns:
List of trial summaries.

Parameter	Type	Required	Description
`condition`	`string`	required	Medical condition to search for (e.g., "COVID-19", "Type 2 Diabetes").
`status`	`any`	optional	Trial status filter (e.g., RECRUITING, COMPLETED, ACTIVE_NOT_RECRUITING).
`phase`	`any`	optional	Trial phase filter (e.g., PHASE1, PHASE2, PHASE3, PHASE4).
`country`	`any`	optional	Country filter (e.g., United States, Norway).
`max_results`	`integer`	optional	Number of results to return (1–50, default 10). (default: 10)

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "search_trials",
    "arguments": {
      "condition": "example"
    }
  }
}

get_trial

Fetch detailed information about a specific clinical trial.

Args:
nct_id: ClinicalTrials.gov NCT ID.

Returns:
Full trial record including eligibility criteria and locations.

Parameter	Type	Required	Description
`nct_id`	`string`	required	ClinicalTrials.gov NCT ID (e.g., "NCT04470427").

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "get_trial",
    "arguments": {
      "nct_id": "example"
    }
  }
}

report_feedback

Report a bug, feature request, or general feedback for this data source.

Use this when something doesn't work as expected, when you'd like
a new feature, or when you have suggestions for improvement.

Args:
feedback: Describe the issue or suggestion.
feedback_type: One of 'bug', 'feature_request', or 'general'.

Parameter	Type	Required	Description
`feedback`	`string`	required
`feedback_type`	`string`	optional	(default: "general")

JSON-RPC Request

{
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "report_feedback",
    "arguments": {
      "feedback": "example"
    }
  }
}

Quick Start

Shell

curl -X POST "https://context.gnist.ai/mcp/pubmed/" \
  -H "Content-Type: application/json" \
  -H "Accept: application/json, text/event-stream" \
  -H "Gnist-API-Key: YOUR_API_KEY" \
  -d '{"jsonrpc": "2.0", "method": "tools/call", "id": 1, "params": {"name": "search_pubmed", "arguments": {"query": "example"}}}'

Python

import httpx

resp = httpx.post(
    "https://context.gnist.ai/mcp/pubmed/",
    headers={"Gnist-API-Key": "YOUR_API_KEY", "Content-Type": "application/json"},
    json={
  "jsonrpc": "2.0",
  "method": "tools/call",
  "id": 1,
  "params": {
    "name": "search_pubmed",
    "arguments": {
      "query": "example"
    }
  }
},
)
print(resp.json())