firecrawl-research-index

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Find papers in Firecrawl's research paper index (PubMed, bioRxiv, medRxiv, arXiv). Use for literature-finding of any kind, including clinical and biomedical questions; `search --categories research` is a website filter, not this index.

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NPX Install

npx skill4agent add firecrawl/cli firecrawl-research-index

firecrawl research

Find the papers that answer a research query. When in doubt, return the relevant set (most relevant first) rather than one hit.

Quick start

bash
mkdir -p .firecrawl
firecrawl research search-papers "CRISPR base editing off-target effects" \
  --limit 20 -o .firecrawl/papers.json --json
jq -r '.results[] | .primaryId, .title' .firecrawl/papers.json
Run
firecrawl research <subcommand> --help
for flags. MCP arguments use
paperId
, not
id
.
A successful
search-papers
response is
{success, results}
. Each hit carries
paperId
,
primaryId
(
pmid:
,
pmcid:
,
doi:
, or
arxiv:
),
ids
,
title
,
abstract
, and
score
.
Done when: the answer is a cited paper set (or the one named paper), each kept or dropped against a verified constraint, with
search-papers
as the first move unless the query already named an id.

Tips

  • search-papers
    is the first move. If results look thin or all-alike, re-run with a different framing (sibling domain, rival method, dataset/benchmark name).
  • related-papers
    needs
    --intent
    .
    mode=similar
    for siblings,
    citers
    for who builds on the seeds,
    references
    for what they build on.
  • inspect-paper
    is metadata for one id.
    read-paper
    is in-body passages for one constraint (sample size, method, affiliation). Use it to rule a paper out, not to gatekeep.
  • search --categories research
    is a website filter. It returns pages from academic domains, not paper records in this index.
  • Named paper ("the Qwen3 report") → one
    search-papers
    . Method / family / "papers that do X" → expand with
    related-papers
    and keep neighbors.
  • Superlative / leaderboard questions live on the web:
    firecrawl search
    /
    firecrawl scrape
    , then
    search-papers
    each top entry.
  • PubMed, bioRxiv, and medRxiv are the largest part of the corpus. Do not send a biomedical query to the open web on the assumption the index is arXiv-only.

See also

  • firecrawl-search — web pages, including
    search --categories research
  • firecrawl-scrape — leaderboards and other non-paper pages
  • firecrawl-developer-index — issues, PRs, READMEs, and docs