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Second Brain

Your vault is encrypted.

1. Add the 6-digit code to Apple Passwords (or any authenticator): scan the QR, or on this iPhone tap here.

QR code for your authenticator app

2. Choose a passphrase. It can't be recovered. If you lose it, your notes are gone.

3. Enter the current code to confirm.

◉ Second Brain
All notes

    Welcome to your second brain

    Create a note, drop files anywhere on this window, or open the mind map.

    Link notes with [[Note title]], tag with #tag. Tags like #claude or #kb share a note with your AI connections. See Settings → Sharing.

      Backlinks

        Links

          Local map

          Mind map

          Settings

          Each scope has its own encryption key. A note is sealed to a scope when it has one of that scope's tags, and an AI connection can only read scopes you gave it. Private tags override everything. Untagged notes are private.

          Claude app / claude.ai (phone, desktop, web)

          Settings → Connectors → Add custom connector → URL . Claude sends you here to approve it and choose its scopes.

          Claude Code / anything that takes a header

          Active connections

            Everything AI connections did in the last 7 days. This log is encrypted so only you can read it.

              Change passphrase

              Lock

              Locking wipes the keys from server memory and signs out every device. AI connections keep working on their own scopes.

              Move your old local vault in: zip the vault folder (e.g. ~/Dropbox/SecondBrainVault) and pick the zip. It stays encrypted in transit. The server decrypts it with the old passphrase and re-encrypts every note into this vault.

              Connect ?

              After you approve, you'll go back to . It will only be able to read notes in the scopes you tick, never private notes.

              History

              A copy is saved automatically before every AI edit.

                
    
                
  
                

                


                Drop files to import & encrypt