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Your cross-AI memory layer. Save and load context across your favourite AI assistants. Open Brain Cross-AI memory layer. Store and search memories across all your AI assistants. Your AI tools forget everything. Open Brain remembers. Every AI conversation starts from zero. You explained your project architecture to one assistant last week. You told another about your preferences yesterday. You gave a third context about your team this morning. None of them remember. None of them talk to each other. Open Brain fixes this. One shared memory, accessible from any AI tool. HOW IT WORKS A floating button appears on every supported AI platform. Click it to: • Search & Load: Find past memories by meaning (not just keywords) and paste them directly into any AI chat as context • Store: Save important insights, decisions, or snippets to your brain with categories and tags • Save Chat: Capture an entire conversation with one click for future reference • Stats: See what's in your brain at a glance Store a memory in one assistant. Retrieve it in another. Your AI tools finally share one brain. WORKS WITH 10 AI SERVICES Compatible with all major AI assistants and chat interfaces. See the GitHub repo for the full list of supported platforms. SELF-HOSTED & PRIVATE Open Brain runs on your own Supabase instance (free tier works). Your memories never touch third-party servers. You own your data. Uses free embeddings for semantic search. ALSO AVAILABLE AS • CLI tool (npm) • MCP server for desktop AI clients • REST API via Supabase Edge Functions SETUP 1. Create a free Supabase project at supabase.com 2. Run the migration SQL (included in the GitHub repo) 3. Get a free Gemini API key at aistudio.google.com 4. Click the extension icon, go to Settings, enter your credentials 5. Done. Your brain is ready.