✨Lightweight LLM Client with MCP 🔌 & Characters 👤

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<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

MCP Feature
Character Customization
Miniapp
Market
Dark Mode
Light Mode

Quick Start

  1. Install Daan: Go to Online Demo or deploy/install Daan locally.
  2. Get API Key: Obtain an API key from OpenAI or a compatible service.
  3. Configure Daan: Enter your API key in Daan's settings. Select your desired model.
  4. 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).

Repository

PL
pluveto

pluveto/daan

Created

April 18, 2025

Updated

July 4, 2025

Language

TypeScript

Category

AI