Linter · For research teams

Criteria linter

Paste protocol language to flag restrictive exclusions and see alternatives to discuss with your protocol team.

Eligibility criteria

Paste the inclusion and exclusion sections of a draft protocol — one or both.

Claude

Inclusion criteria

Who the trial accepts.

Exclusion criteria

Who the trial turns away.

255 characters

Engine

Claude reads this text through Anthropic's API. We don't save it or share it. Use keyword rules to keep confidential drafts in your browser.

Claude reads the criteria with the same prompt that extracted all 1,011 recruiting trials (F1 0.95 on held-out hand-labeled trials). Every flag quotes your text word for word, checked before it's shown. Your text goes to Anthropic's API; Threshold doesn't save it. Suggestions follow FDA eligibility guidance (2020–2026), ICH E21 (draft), and ASCO–Friends recommendations. They are for protocol teams to review, not decisions.

Results

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Run the linter to see flagged criteria and suggested alternatives.