Search academic papers

$0.003 per call · failed calls are never charged · no account or API key needed

Search scholarly literature across journals, conferences, preprints and books: title, authors, year, venue, citation count, DOI link and abstract where available. Optional fromYear filter and up to 20 results per call. Use for research agents, literature reviews, fact-checking a claim against published work, and finding the DOI for a citation.

Run it free (25 free calls) Buy credits by card (from $5) Example result (JSON)

Inputs

NameTypeDescription
query (required)stringSearch terms, a title or a research question (3-300 characters)
limitintegerNumber of results, 1-20 (default 5)
fromYearintegerOnly works published in or after this year

Request

Over HTTP, with a card key from /credits:

curl -H "Authorization: Bearer adt_…" "https://agent-data-tools.revmesh2074.workers.dev/papers?query=CRISPR%20off-target%20effects"

Or one of your 25 free calls, no key:

curl "https://agent-data-tools.revmesh2074.workers.dev/papers?query=CRISPR%20off-target%20effects&trial=1"

Without a key, the same URL answers 402 Payment Required with x402 and MPP terms, so an agent with a wallet pays per call in USDC (Base, Polygon, Arbitrum, Monad, World Chain or Tempo) and retries.

Example result

{
  "query": "CRISPR off-target effects",
  "totalMatches": 819818,
  "returned": 1,
  "results": [
    {
      "title": "Off-target effects in CRISPR/Cas9 gene editing",
      "authors": [
        "Congting Guo",
        "Xiaoteng Ma"
      ],
      "year": 2023,
      "venue": "Frontiers in Bioengineering and Biotechnology",
      "type": "journal-article",
      "citations": 632,
      "doi": "10.3389/fbioe.2023.1143157",
      "url": "https://doi.org/10.3389/fbioe.2023.1143157"
    }
  ]
}

From an AI agent (MCP)

Add the MCP server to Claude, Cursor or any MCP client. This tool is papers, and the first 25 successful calls are free:

https://agent-data-tools.revmesh2074.workers.dev/mcp

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