BraceKit: AI Sidebar

Premium AI sidebar with local vault, multi-chat branching, full page & selection reading, MCP tools, and multi-LLM support.

Unlock a genuinely powerful, private, and premium AI workspace directly alongside your browsing experience. BraceKit is an advanced, context-aware sidebar that connects you to leading cloud and local AI providers—all without ever having to switch tabs. Unlike basic wrappers, BraceKit is built for power users. With its encrypted local storage, multi-conversation branching, AI floating toolbar for instant text actions, omnibox quick search, and native Model Context Protocol (MCP) integrations, BraceKit gives you absolute control over your AI environment. Whether you need to instantly analyze the layout and text of an entire webpage, generate images with precise aspect ratios, or run a complex coding flow with custom local server logic, BraceKit brings state-of-the-art capabilities straight to your browser. BRING YOUR OWN KEY (BYOK) – 100% FREE BraceKit does NOT provide free access to AI providers or charge monthly subscriptions. Instead, it is a Bring Your Own Key (BYOK) extension. This means BraceKit itself is completely free to use! You supply your own API keys for the providers you want to use, ensuring you only pay exactly for the usage you consume directly with the AI providers. Your keys are securely encrypted locally on your device. KEY FEATURES: - Total Provider Freedom: Connect to major cloud AI providers, local models via Ollama, or any custom OpenAI-compatible or Anthropic-compatible endpoint. Simply bring your own API key—no subscriptions, no lock-in. - Context Mastery: One-click "Read Current Page" digests the whole page (stripping ads and noise) into pristine markdown format for the LLM. Highlight any text and instantly use the AI Floating Toolbar with actions like Summarize, Explain, Translate, and Rephrase. - AI Floating Toolbar: Select text on any webpage and get instant AI actions—Summarize, Explain, Translate, Rephrase, Simplify, Expand, Fix Grammar, and more. Customize built-in actions or add your own custom prompts. Apply results directly to editable fields. - File Attachments: Attach images and text files to your messages. Images are analyzed by vision-capable models—perfect for debugging UI issues, getting design feedback, or converting code from screenshots. - Omnibox Quick Search: Type "bk" in Chrome's address bar followed by your query to instantly start a new chat or find past conversations—no need to open the sidebar first. - Conversation Branching: Fork conversations at any point to explore alternative directions without losing your original context. Perfect for A/B testing prompts or exploring different solutions. - Image Generation on the Fly: Full support for Gemini and xAI image generation models with advanced aspect ratio selection—perfect for responsive web design or social media assets. - Privacy by Default: All data stored locally on your device. API keys are encrypted using device-bound encryption. Optional PIN protection adds another layer of security. No accounts, no telemetry, no data sent to BraceKit servers. - Advanced Chat Management: Branch conversations into entirely new threads, automatically compress/summarize long conversations to save context limits (auto-compact), and use slash commands (/compact, /rename) directly from the input terminal. - Memory System: BraceKit remembers your preferences, coding style, and project context across conversations—automatically extracting and recalling important information when relevant. - Background Agent Loop: Conversations run independently in a service worker, meaning you can close the sidebar, navigate away, and your AI assistant will flawlessly continue working in the background. - MCP (Model Context Protocol) Integration: Level up your AI by seamlessly connecting sophisticated local MCP servers. BraceKit automatically recognizes and securely connects to your local tools, unlocking boundless capabilities right inside your browser. - Premium Look & Feel: A breathtaking glassmorphism dark theme with micro-animations, robust markdown table rendering, dynamic UI elements, and a gallery view for all your generated images makes working with LLMs feel cutting-edge. It's time to supercharge your web browsing without compromises. Install BraceKit today and take your ultimate AI assistant wherever you go on the web.