Cognito AI Sidekick

A privacy-focused, offline-first, AI-powered sidekick for your browser.

🔍 Cognito AI Sidekick — Your AI research partner in every tab — now with hybrid search and MCP tool orchestration. Brings an AI assistant to any webpage. Chat with context-aware LLMs, save smart notes, summarize content, and search your knowledge base using hybrid BM25 + semantic search. Tools/Agent for deep research, task plan/execution. Ideal for research, productivity, and building a second brain in your browser. ⭐Features: 🧠 **Contextual Awareness**: Interact with AI that understands your current page, selected text, or tab history. 📑 **Smart Notes**: Save conversations, web highlights, and custom summaries as searchable notes. 📚 **Memory System**: Organize and retrieve knowledge across sessions with embedded RAG (Retrieval-Augmented Generation). 🔍 **Hybrid Search**: Combines BM25 and semantic search to instantly find relevant notes and context. 🛠️ **Tools**: Tool orchestration for all your complex tasks. MCP servers. 💬 **Multiple Modes**: Switch between Web Mode, Page Mode, and Chat Mode for flexible interaction. 🧩 **Minimal UI, Maximum Control**: Non-intrusive side panel with smooth integration and theming options. 🌍 Multilingual Support: English, Japanese (日本語), Chinese (中文), Spanish (Español), German (Deutsch), French (Français), Korean (한국어), Portuguese (Português) **Perfect for:** * Researchers, developers, and power users who want deeper AI integration while browsing. * Anyone building a second brain using their browser.