Show HN: Markdown Gatekeeper – one current source per topic for AI agents https://ift.tt/t4DLQZm September 2, 2026 at 03:48AM

Show HN: Three Pins a daily 3-hole golf game in the browser https://threepins.golf/ September 1, 2026 at 06:45PM

Show HN: Notes Plus – A Markdown Apple Notes Clone with Latex, Excalidraw etc. tldr: clone of Apple Notes, but every note is a local Markdow...

Show HN: Rails Baseline – a Rails SaaS starter with agent-readable architecture I have built a lot of SaaS Rails apps over the last decade+....

Show HN: I rebuilt tank game with new style Still something must be done https://ift.tt/9TUZgzB September 1, 2026 at 02:21AM

Show HN: Saccade – Live semantic browser truth for AI agents I build one this application is to resolve the most of the agent cannot handle ...

Show HN: Break 5, the addictive, free 5 minute, daily word game No 3rd party analytics, no tracking, no data sharing. Just a fun, free game ...

Show HN: What Apple's OS updates silently change in the on-device AI model https://umer9538.github.io/underfoot/ August 31, 2026 at 12:...

Show HN: Academa – Long-form STEM lecture videos generated by LLMs Hi HN, we are Sina Atalay and Abdullah Geduk, co-founders of Academa. We ...

Show HN: NFC Energy-Harvesting PCB Business Card with an MCU https://ift.tt/Rseyfmh August 28, 2026 at 02:48PM

Show HN: Delete yourself from data brokers without a subscription I signed up for a paid service to get my phone, addresses, and vehicles of...

Show HN: HN Mirror with Image Previews I am just one of those who need some image stimulation while reading Hacker News. You're welcome ...

Show HN: SSH Ache – open-source desktop SSH client with SFTP, tunnels and MCP https://ift.tt/75fqUwo August 29, 2026 at 08:42PM

Show HN: Metis – An agent harness pushing DeepSeek to Opus-tier coding (82%) https://ift.tt/3lnRTSY August 29, 2026 at 03:36AM

Show HN: An annotated archive of S-1 filings, with hindsight https://s-1.space/ August 29, 2026 at 01:56AM

Show HN: NodeAkt – Zero-dependency distributed actor framework for TypeScript https://tochemey.github.io/nodeakt/ August 29, 2026 at 12:48A...

Show HN: 500,000+ AOL Instant Messenger Buddy Icons All at Once I needed a couple of AOL Instant Messenger buddy icons for a project, and th...

Show HN: Lightweight reimplementation of YaCy peer as small Go services https://ift.tt/jT68dga August 28, 2026 at 01:58AM

Show HN: L0/L1/L2 agents, leases, gates, audits, Git-worktree isolation https://ift.tt/YR9Dz3X August 27, 2026 at 11:56PM

Show HN: Caravan, a flexible TypeScript-first logger for JavaScript applications I first shared Caravan on HN in 2024[0]. At the time, I had...