A Discord/Slack bot to watch HN comments
Some years ago, I discovered a bot called Little Birdie to watch HN comments for keywords and post a link to Slack. Unfortunately, it has disappeared and I've found myself missing this. So this bot is a re-implementation of it, but now also supporting Discord. It's very easy to use: 1. install the bot on your workspace/guild 2. /keywords add rust,hn,foobar (for Discord) ; @newsbutler add rust,hn,foobar (for Slack) 3. done For technical stuff : it is implemented in Crystal + Postgres (hosted on Render+Neon). I will certainly opensource it when I clean the repo of all production…
A Discord/Slack bot to watch HN comments launched on March 21, 2025 with 5 votes and more than 75% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Newsbutler monitors Hacker News comments for your specified keywords and sends you instant notifications in Slack or Discord when they'refrom newsbutler.xyz
In the maker’s words, at launch
Some years ago, I discovered a bot called Little Birdie to watch HN comments for keywords and post a link to Slack. Unfortunately, it has disappeared and I've found myself missing this. So this bot is a re-implementation of it, but now also supporting Discord. It's very easy to use: 1. install the bot on your…
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I built an interactive HN SimulatorNov 2025 · news.ysimulator.run · ▲538Hey HN! Just for fun, I built an interactive Hacker News Simulator. You can submit text posts and links, just like the real HN. But on HN Simulator, all of the comments are generated by LLMs + generate instantly. The best way to use it (IMHO) is to submit a text post or a curl-able URL here: https://news.ysimulator.run/submit. You don't need an account to post. When you do that, various prompts will be built from a library of commenter archetypes, moods, and shapes. The AI commenters will actually respond to your text post and/or submitted link. I really wanted it to feel…
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It works on top of the open-source workflow engine windmill [1] that you can easily self-host on a tiny server or a large k8s cluster. You will also need pgvector (here hosted on supabase) and of course a GPT4 api key. It showcases an approval step so that you only provide answers you are confident giving to your users, which feels less robotic. All the building blocks are scripts that you can reuse outside of windmill and you could build this in any other workflow engines (although less conveniently). We use it for our own needs on discord [2] and thoughts this was a common need for any…
Hacker News bot that automated archive finding and commenting2022 · github.com · ▲52Hi everyone, I build this bot to automate the process of going to wayback machine (or archive.ph) to find the archive link for posts with articles that have subscription blocks The idea was to have this run on a server and then I wouldn’t have this daily annoyance, the bot was banned, so its not currently active, but I still wanted to show it off and get some feedback Disclaimer : HN doesn't allow bots, so please don’t use this to run your own HN bot.
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