Librai is a monorepo containing a full-stack application that enables users to process documents and interact with them through an AI chatbot interface. The platform consists of two main applications:
- librai-server: A document processing service that handles file uploads, text extraction, and vector embeddings
- librai-ui: A modern chat interface for interacting with processed documents using AI
- File upload support with progress tracking
- Support for multiple file formats:
- PDF (with page range exclusion)
- EPUB (with section exclusion)
- TXT
- MD
- Smart text chunking with metadata preservation
- OpenAI embeddings generation (text-embedding-3-large)
- Qdrant vector database integration
- Express.js REST API
- Interactive AI chatbot with context-aware responses
- Multiple theme support:
- Charcoal (light/dark)
- Leaf (light/dark)
- Twilight (light/dark)
- Volcano (light/dark)
- Ocean (light/dark)
- UI built with SvelteKit
- User authentication via PocketBase
- Conversation management:
- Save and resume conversations
- Delete conversations
- Share via public links
- Edit conversation titles
- Rate limiting with Upstash Redis
- Real-time streaming responses
- Markdown and LaTeX support
- Responsive design with Tailwind CSS
- Clone the repository:
git clone https://github.com/yourusername/librai.git
cd librai- Install dependencies:
pnpm install-
Set up environment variables: Create
.envfiles in both apps/server and apps/ui directories using their respective.env.examplefiles as templates. -
Start the development servers:
pnpm devPORT=3000
OPENAI_API_KEY=your_api_key
OPENAI_EMBEDDINGS_MODEL=text-embedding-3-large
QDRANT_API_URL=your_qdrant_url
QDRANT_API_KEY=your_qdrant_key
QDRANT_COLLECTION=your_collection_name
# OpenAI Configuration
PRIVATE_CHAT_API_KEY=your_openai_key
PRIVATE_EMBEDDINGS_API_KEY=your_openai_key
PRIVATE_EMBEDDINGS_MODEL=text-embedding-3-large
PRIVATE_CHAT_MODEL=gpt-4o-mini
PRIVATE_CHAT_BASE_URL=your_openai_base_url
# Qdrant Configuration
PRIVATE_QDRANT_ENDPOINT_URL=your_qdrant_url
PRIVATE_QDRANT_COLLECTION_NAME=your_collection_name
PRIVATE_QDRANT_API_KEY=your_qdrant_key
# System Configuration
PRIVATE_SYSTEM_PROMPT=your_custom_prompt
# Redis Configuration
PRIVATE_UPSTASH_REDIS_REST_URL=your_upstash_url
PRIVATE_UPSTASH_REDIS_REST_TOKEN=your_upstash_token
# PocketBase Configuration
VITE_POCKETBASE_URL=http://127.0.0.1:8090
# Application Settings
PUBLIC_APP_TITLE=Librai
PUBLIC_APP_DESCRIPTION=Your app description
PUBLIC_APP_SHORT_TITLE=Librai
PUBLIC_THEME=charcoal
PUBLIC_APP_URL=your_app_url
# Chatbot Configuration
PUBLIC_CHATBOT_DESCRIPTION=Your chatbot description
PUBLIC_CHATBOT_THINKING_TEXT=Your thinking text
# OpenGraph/Social Media
PUBLIC_APP_OG_IMAGE=your_og_image_url
PUBLIC_APP_TWITTER_IMAGE=your_twitter_image_url
This project is licensed under the GNU Affero General Public License v3.0 (AGPL-3.0).