ClaudeWriter

Write, leave notes to the AI in [square brackets], and work on the same document with other people.

Access code

Open a shared document

[ ] Untitled

Assistant

Anyone with the link or key can read and edit this document, and use AI on it. Share it privately.

Web link

Key for the Mac app (File → Join Shared Document…)

Your name Access code Claude effort Standing instructions

AI requests go through this server, which holds the provider keys. Nothing here asks for an API key.

Versions are saved automatically after each burst of editing, and whenever everyone leaves.