Science

Data source: Crossref

MCP MCP Protocol

Endpoint https://context.gnist.ai/mcp/crossref/

nobloat — strip report_feedback tool URL-based auth (for clients without header support)

claude_desktop_config.json

{
  "mcpServers": {
    "gnist-crossref": {
      "url": "https://context.gnist.ai/mcp/crossref/",
      "headers": {
        "Gnist-API-Key": "YOUR_API_KEY"
      }
    }
  }
}

Shell

curl -X POST "https://context.gnist.ai/mcp/crossref/" \
  -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": "resolve_doi", "arguments": {"doi": "example"}}}'

API REST API

API Root https://context.gnist.ai/rest/crossref/

5 endpoints available:

GET /rest/crossref/resolve_doi
GET /rest/crossref/search_works
GET /rest/crossref/get_journal
GET /rest/crossref/get_funder
GET /rest/crossref/report_feedback

Shell

curl "https://context.gnist.ai/rest/crossref/resolve_doi?doi=example" \
  -H "Gnist-API-Key: YOUR_API_KEY"

Python

import httpx

resp = httpx.get(
    "https://context.gnist.ai/rest/crossref/resolve_doi",
    headers={"Gnist-API-Key": "YOUR_API_KEY"},
    params={
        "doi": "example"
},
)
print(resp.json())

OpenAPI Spec · Full API Docs

CLI Command Line

Command gc crossref

CLI documentation will be available when the GnistAI SDK is published.

Install

pip install gnistai

Available Tools (5)

resolve_doi

Resolve a DOI to full bibliographic metadata via Crossref.

Parameter	Type	Required	Description
`doi`	`string`	required	The DOI to resolve. Accepts bare DOI (e.g. "10.1038/nature12373") or full URL form (e.g. "https://doi.org/10.1038/nature12373").

search_works

Search Crossref for scholarly publications by keyword.

Parameter	Type	Required	Description
`query`	`string`	required	Full-text search query (e.g. "CRISPR gene editing", "climate change tipping points").
`filter_type`	`any`	optional	Limit to a Crossref work type. Common values: "journal-article", "book-chapter", "proceedings-article", "dataset", "posted-content" (preprints).
`filter_issn`	`any`	optional	Limit to a specific journal by ISSN (e.g. "0028-0836" for Nature).
`filter_funder`	`any`	optional	Limit to works funded by a Crossref Funder ID (e.g. "10.13039/100000001" for NSF).
`date_from`	`any`	optional	Only include works published on or after this date (YYYY-MM-DD or YYYY).
`date_to`	`any`	optional	Only include works published on or before this date (YYYY-MM-DD or YYYY).
`limit`	`integer`	optional	Number of results to return (1–50, default 10). (default: 10)