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Large Language ModelsOpen-Source AIZenn AI/MLPublished: Oct 13, 2026, 22:00 JST

rss-digest bot posts AI news to Discord via Claude Code

rss-digest bot posts AI news to Discord via Claude Code

3 Key Points

  1. What happened

    yodaka released rss-digest as open source. A Claude Code session picks five articles from RSS feeds each morning at 9 and posts summaries and comments to Discord via webhook.

  2. Why it matters

    The bot needs no API key or server. Users clone the repo, set a webhook URL and RSS feeds, and open the directory in Claude Code to run /rss-digest.

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Context & Analysis

The rss-digest project started as an internal tool for an "AI部" community run by the company blankcanvas. The author, yodaka, built it after creating a Discord server for the group and wanting a daily stream of AI news. The system collects articles from RSS feeds, has Claude Code select five items, and posts them with summaries and comments to Discord.

A notable finding from two weeks of operation was that the Claude Code skill ignored prompt-based length limits. On the first day, summaries, comments, and recommendation reasons averaged 55, 35, and 70 characters respectively. By day seven, they averaged 330, 104, and 545 characters, with the recommendation reason growing to eight times its initial length. The cause was that each session referenced the previous day's post and wrote slightly longer content. The author replaced prompt enforcement with a validation script that rejects posts exceeding configured limits, after which no overages occurred.

Other issues included Discord embed width constraints, false keyword matches such as "AI" hitting "available," and the skill only being read from the .claude/skills/ directory. The author also added Hatena Bookmark's AI popular search to catch articles trending on X shortly after they appear. The tool is positioned as reusable for any RSS and webhook setup.

FAQ
How often does the bot post?
It posts every morning at 9, selecting five AI-related news articles from RSS feeds.
Does it require an API key or server?
No. It runs through a Claude Code skill, so users only need to clone the repository, set a Discord webhook URL and RSS feeds, and open the directory in Claude Code.
What problem did the author encounter with prompt limits?
The summaries and comments grew longer over time despite prompt instructions. The author fixed this by adding a script that rejects posts exceeding configured length limits.

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