Your research question, in plain words, to your AI assistant — Claude in the Chrome sidebar.
It writes candidate hypotheses as precise, checkable analyses through this site's tools. You edit the list and add your own.
The list is timestamped and frozen before any result exists. Nothing can be quietly dropped later.
Each is tested on half the patients, corrected for how many were tried, and rechecked on the other half.
Start a campaign
This site does not call an AI model. Your assistant in the browser starts the campaign and writes its hypotheses through the tools this page exposes (For AI agents, below); the site checks everything it submits against the data and keeps the record. Starting a campaign, and changing one, needs you to sign in (top right); reading them does not. Open the sidebar on this page and give it your question:
On this page, use window.cohortLab.createCampaign(question) to start a hypothesis campaign for my research question below, in my words. When the campaign page opens, read its "For AI agents" section, then write and register hypotheses for it. Do not lock the campaign. My question: …
Example questions, on msk_chord_2024:
- What distinguishes non-small cell lung cancer patients who fail first-line immunotherapy within 6 months from those who respond durably?
- In colorectal cancer, which genomic and clinical features are associated with shorter overall survival after first chemotherapy?
- Among breast cancer patients treated with hormone therapy, what predicts progression within a year?
Campaigns
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For AI agents · start a campaign with tools
A browser agent that supports WebMCP finds these through document.modelContext; any agent that can run JavaScript here can call them as window.cohortLab.* (each returns a promise).
| WebMCP tool | window.cohortLab |
|---|---|
campaign_create | createCampaign(question, study?) |
campaign_list | listCampaigns() |
createCampaign takes the user's question in their words (study defaults to msk_chord_2024) and opens the new campaign's page, whose own "For AI agents" section has the tools for writing, checking and registering hypotheses.