Every AI keeps its own memory, locked inside its chats. Switch model, open a new chat or hand work to a colleague, and …
Every AI keeps its own memory, locked inside its chats. Switch model, open a new chat or hand work to a colleague, and the context is gone. Cobrain is one memory that all your AIs connect to: plain Markdown notes, organized in folders, that Claude, ChatGPT, Claude Code, Codex and any MCP client can read and write. What one AI saves, the next one finds. - Search, read and load whole folders of context before a task - Write, append, move and organize notes from any AI - Share a folder or a single note with a colleague: their AI reads it too - Version history shows which AI or person wrote what - Your AI can never do more than you: it acts with your own permissions - Export everything as Markdown whenever you want Sign in with OAuth, no API keys. Free plan: 1,000 notes, unlimited AIs, 3 read-only shares. Data hosted in the EU.
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