I posted a few months ago about vibe-coding an RSS reader. The mood on the internet seems to be that these apps are buggy and never get finished, so I figured it was worth posting an update. Another thousand commits later, Lion Reader supports every feature I care about, works reliably, has very good performance, and is open for public signups[1].

I've actually been using it for a while, and mostly kept signups closed because of some expensive features like AI summaries (now handled by making users provide their own API keys).

The features are entirely designed around what me and a friend find useful, but I think I have decent taste so consider Lion Reader if they're useful to you as well:

Subscribe to RSS/ATOM/JSON/email newsletter feeds
Save articles for later, including special logic for Google Docs, LessWrong, and ArXiv
On-demand AI summaries (requires an Anthropic API key)
An MCP server
- Read feeds, i.e. "Summarize my most recently 10 articles in tag X"
- Upload reports as saved articles[2]
Google Reader / Fresh RSS API for native clients (doesn't support summaries)
Narration[3] with highlighting, similar to how Kindle narration works
Algorithmic feed based on your votes (can be [...]

The original text contained 4 footnotes which were omitted from this narration.

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First published:
February 22nd, 2026

Source:
https://www.lesswrong.com/posts/Ci8Zkf3bEHeRKBJAP/my-rss-reader-is-done

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Narrated by TYPE III AUDIO.

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Images from the article:

Screenshot of Python code displayed in three columns on dark background.

Article summary interface showing research on molecular structure of thought in LLMs with three bond types.

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“My RSS Reader is Done” by Brendan Long

LessWrong (30+ Karma)

“My RSS Reader is Done” by Brendan Long