<p align="center"><img src="assets/cover.png" width="200" alt="Daan Logo" /></p>
<h1 align="center">Dáàn</h1>
<p align="center">A Lightweight Language Model Client</p>
<p align="center">
English | <a href="使用说明.md">中文</a>
</p>
Daan (答案, "Answer" in Chinese) is a concise and lightweight client for interacting with Large Language Models (LLMs), offering a smooth and efficient AI experience. It's compatible with OpenAI's GPT series and other OpenAI-compatible APIs.
正在支持使用 AI 在 Daan 内生成并运行 JS App 和 MCP服务,让 AI 工具化变得轻而易举,敬请期待!
Try the Demo
Key Features
- 🆕 Miniapp Functionality: Convert your frequently used features directly into a mini-app for use in a mini-window.
- 🆕 Miniapp and Character Market: Publish your presets to GitHub issues and install/reuse them in Daan with one click.
- 🆕 Miniapp as MCP Service: Miniapps also support running as MCP services, enabling low-threshold development of simple MCP servers.
- ✨ Minimalist Interface: Focus on the conversation, not clutter.
- 🔌 MCP (Model Context Protocol): Enhance AI responses with external tools and knowledge.
- 👤 Character Customization: Create and reuse chat personas with specific prompts and settings.
- 🔄 Flexible Model Selection: Easily switch between OpenAI models or add custom ones.
- 🔑 Custom API Endpoints: Use alternative OpenAI-compatible API services.
- 🔒 Secure Local Storage: API keys are stored securely in your browser.
- ⚙️ Personalization: Customize system prompts, history length, and more.
- 🎨 Theme Switching: Includes a dark mode for eye comfort.
- ⏱️ Timestamps: Track conversation history easily.
- 📝 Chat Summary: Quickly review conversation topics.
- 📊 Token Estimation: Monitor message token usage.
- 📌 Conversation Pinning: Keep important chats accessible.
Screenshots






Quick Start
- Install Daan: Go to Online Demo or deploy/install Daan locally.
- Get API Key: Obtain an API key from OpenAI or a compatible service.
- Configure Daan: Enter your API key in Daan's settings. Select your desired model.
- Start Chatting: Click "+ New Chat" and begin your conversation!
Contribution
Contributions are welcome! Feel free to:
- Submit an Issue to report bugs or suggest features.
- Submit a Pull Request to fix bugs or add functionality.
- Participate in Discussions to share your ideas.
License
Daan is licensed under the AGPL-3.0. See the LICENSE file for details.
- Non-commercial use: Free.
- Commercial use: Requires free authorization (registration needed).