All Features
Welcome to Lion Reader
A modern, fast, and open-source feed reader. Explore the demo to see what it can do.
Wallabag API
Save articles from your phone using the Wallabag app's share intent with Lion Reader's Wallabag-compatible API.
Algorithmic Feed & Entry Scoring
Rate articles and get a personalized Best feed powered by server-side machine learning.
Google Reader API
Sync Lion Reader with mobile and desktop RSS apps using the Google Reader-compatible API.
Plugin System
Extensible plugin architecture for integrating with LessWrong, Google Docs, ArXiv, and GitHub.
Discord Bot
Save articles to Lion Reader directly from Discord by reacting to messages with a lion emoji.
AI Summaries
Generate concise AI summaries to quickly triage your reading list.
Full Content Fetching
Read complete articles inside Lion Reader, even when feeds only provide excerpts.
MCP Server
Connect Lion Reader to AI assistants like Claude via the Model Context Protocol.
Browser Extension
Save articles to Lion Reader with one click using the browser extension for Firefox and Chrome.
Progressive Web App
Install Lion Reader on your phone or desktop for a native app-like experience.
Email Newsletters
Read newsletters alongside your feeds with unique ingest email addresses.
Real-Time Updates
See new entries appear instantly with Server-Sent Events and smart cache invalidation.
OPML Import & Export
Migrate to or from Lion Reader with standard OPML files, or back up your subscriptions.
Appearance & Themes
Customize fonts, text size, alignment, and switch between light and dark themes.
Full-Text Search
Search across all your entries by title, content, or both with instant results.
Text-to-Speech Narration
Listen to articles read aloud with AI-enhanced text preprocessing and paragraph highlighting.
Save for Later
Save any web page, upload documents, or capture articles for later reading.
Keyboard Shortcuts
Navigate your entire reading workflow without touching the mouse.
Tags & Folders
Organize subscriptions with color-coded tags and browse entries by category.
WebSub Push Notifications
Receive instant updates from feeds that support the W3C WebSub push protocol.
JSON Feed Support
Native support for JSON Feed, a modern syndication format that uses JSON instead of XML.
RSS & Atom Feeds
Subscribe to any RSS 2.0 or Atom feed with automatic detection and efficient polling.
Authentication & Security
Sign in with email, Google, Apple, or Discord. API tokens for extensions and MCP.
File Upload
Upload Word documents, Markdown files, HTML, and plain text directly into your reading library.
Open Source & Self-Hostable
Lion Reader is fully open source. Self-host it, explore the code, or contribute on GitHub.