
Watch How an AI Agent Thinks
Explore three AI agent runs on a scrubbable timeline showing planning, tool calls, and recovery.
douvy · HN
Educational tool for understanding AI agents. Code: https://github.com/douvy/how-agents-think
The full gallery
Tech stack
60 projects

Explore three AI agent runs on a scrubbable timeline showing planning, tool calls, and recovery.
douvy · HN
Educational tool for understanding AI agents. Code: https://github.com/douvy/how-agents-think

Chore chart app that gamifies household tasks and tracks allowances for families.
@bendrumin · X
I built nights and weekends as a solo founder. 📱 130+ users worldwide, paying subscribers, zero churn 🤖 Built AI-native with Claude Code + Cursor (React/Supabase) My day job: PM owning 13 partner integrations at a wealthtech CRM, where I cut client onboarding from 4-6 weeks to 1-2. Now looking for my next thing: Integration/Platform PM or technical PM roles. DMs open 👇 #buildinpublic #ProductManagement #hiring #opentowork

Browse and discover Substacks that were submitted to Hacker News.
cartucho1 · HN
I made an HN clone that lists only Substacks posted here. - Why? Over the years, I've discovered some great blogs here, so I thought it would be nice to have a filter for them. - Why only Substacks then and not blogs more generally? Because it's easy to query for "substack.com" in the public HN Algolia API (see below). Plus, hnblogs was already taken :) - What about substacks on custom domains then? At the bottom of the page there is a form to submit a custom domain. The site attempts to auto-validate that it is a Substack. If that fails, it is marked for manual review (which I'll do every once in a while). Approved ones will be included in the results. - How? I use HN's Algolia API to fetch substack stories by searching for "substack.com" in the url. I do this via a CloudFlare worker that has 3 separate cron triggers: (1) fetches new stories every 10 minutes and saves them in a KV store. (2) runs 2 minutes after the first, computes hot stories from new ones by simulating HN's scor

Turn chat and email threads into beautiful, shareable links.
@DDominella · X

A WhatsApp-style chat app for business-to-customer messaging with attachments, read receipts, typing indicators and search.
@HaderyJameel · X
Check out what I just built with Lovable!

Extract timestamped transcripts from YouTube videos instantly, no login needed.
@BansalSamy87003 · X
I am 14 year old

Build a team wiki that automatically updates from your files with source citations.
reveriedev · HN
Almanac – A self-updating wiki from your files

Write once, export to notebooks, slides, PDFs, PPTX, DOCX, or canvas.
@mr_wickedhacks · X
Write the doc once → get a notebook, slide deck, canvas, or resume from the same source. No rewriting for every format.

Scoply turns agency client meeting transcripts and scope baselines into risk flags, scope-change alerts, and protection-ready follow-ups
@theshaunak_twit · X


Create one-to-one chats and groups for instant messaging with media sharing.
@moid_haroon · X
Chatly Simple, secure messaging. One-to-one chats, groups, and media sharing — sign in with your phone, email, or Google Check out what I just built with Lovable!

A Stripe-based billing service handling hybrid pricing models, entitlements, and team management for SaaS.
@__orderandchaos · X