AI-powered research document critique

Submit your best work,
every time.

Know your grant application or manuscript is as strong as it can be — before it ever reaches a reviewer. Rigorous, criteria-based feedback available on demand, at any stage of the writing process.

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Submit with confidence.  Feedback and critique. Not writing.

Earlier
Researchers who get substantive feedback early submit stronger applications — and Crucible makes that available at any stage.
On demand
Meaningful feedback whenever you need it — no waiting for a colleague's calendar or a mock study section to convene.
Iterative
Revise and resubmit as many times as you need. Every round of feedback is a step toward a stronger submission.

The reviewer's perspective,
available on demand.

Crucible reads what you've written and shows you what a reviewer will see — where your argument is strongest, where evidence could be sharper, where a small change makes a big difference. Your ideas, your science, your voice — Crucible helps them shine.

Grant Applications
Scored on the NIH 1–9 scale by mechanism — R01, K23, VA Merit and more. Inline Word comments filtered by severity. Downloadable summary reports.
Summary Statement Response
Resubmitting? Upload your summary statement and get a structured response plan — weakness tables, point-by-point draft responses, and a resubmission introduction.
Manuscript Feedback
Peer-review-caliber critique of journal manuscripts — argument structure, evidence quality, framing, and gaps — before you submit to the journal.

Features

Everything a rigorous reviewer would give you.

Scored criteria
Each review factor receives a 1–9 NIH-scale score with detailed commentary on strengths and weaknesses.
Annotated documents
Download your .docx with inline Word comments placed at specific paragraphs. Filter by Hi/Med/Lo severity.
Summary reports
Downloadable DOCX report with scores, feedback, and timestamped footer — a clear overview of strengths and opportunities.
Multiple mechanisms
R01, K23, VA Merit, and more. Each mechanism evaluated against its specific review criteria.
Iterative revision
Revise and resubmit for another round of feedback whenever you're ready. No limits on iterations.
Resubmission planning
Structured response plans from your summary statement — weakness tables, draft responses, resubmission introductions.
"Every word in your application remains yours. Crucible gives you the reviewer's perspective — so you can submit knowing your work is as strong as it can be."

Crucible does not generate text, draft specific aims, or produce content to submit as your own. It reads, critiques, scores, and comments. Fully aligned with NIH Policy NOT-OD-25-132 on responsible use of AI in grant applications.

How it works

Four steps to your strongest submission.

01
Upload
Upload your grant application or manuscript in .docx or .pdf format.
02
Select criteria
Choose your document type and review framework — R01, K23, journal manuscript, and more.
03
Get feedback
Scored criteria, inline comments, clear strengths, and specific improvement suggestions.
04
Revise & resubmit
Iterate as many times as you need. Each round builds toward your best possible submission.

Who it's for

The feedback advantage,
for every researcher.

The most successful investigators circulate drafts widely — to colleagues, mentors, and mock study sections. Crucible gives every researcher that same advantage, on demand.

Early-Career Researchers
Build the same feedback advantage as senior investigators — experienced-reviewer-level critique at every stage of your career.
Smaller Institutions
Access the same caliber of feedback available at major R1 universities, without needing the infrastructure to match.
New Research Areas
Moving into a new field? Get confident, rigorous feedback even as you build your domain-specific network.
Security

Enterprise-grade privacy.
Because your research deserves it.

Never used to train AI

We only use AI providers with explicit contractual commitments not to store, retain, or train on your data. Not a settings toggle — a legal guarantee.

NIH policy compliant

Fully aligned with NIH Policy NOT-OD-25-132. Crucible critiques — it does not generate. Your work is always your own.

Your data stays yours

Your grant applications and manuscripts contain sensitive, unpublished research. We treat them accordingly — with no secondary use, ever.

Built by researchers, for researchers

Crucible was born from years managing research portfolios at a major R1 university. We understand what's at stake.

Ready to submit your
strongest application yet?

We're launching soon. Request a demo to see the kind of feedback that helps great science get the attention it deserves.

Request a Demo