BigBrain is a personal knowledge vault. The "Send to BigBrain" browser extension and the bigbrain.cool service collect only what the service needs to work:

What we collect. (1) Your Google account email address and name, when you sign in — used to identify your account and gate access. (2) The content of web pages you explicitly capture with the extension, and notes you type into it — stored in your private vault. The extension transmits nothing without a deliberate action from you (a click or a keyboard command). It does not track your browsing.

Where it goes. Captured content is stored in your own private vault on bigbrain.cool and is processed by Anthropic's Claude API to file and link your notes. It is not shared with anyone else, not sold, and not used for advertising. Anthropic's API handles your content under its own commercial terms, which exclude training on your data.

Deletion. Email nick.j.merrill@gmail.com to delete your account and vault. Deletion removes your content from the service.

Contact. nick.j.merrill@gmail.com