benjushi

Show HN: Nico – a two-agent type personal agent on your Mac

Posted by benjushi on Thursday November 05, 2026 @06:21AM
from the show-hn dept.

Hi HN. I'm Brian, I make Xmind, the most popular mind mapping app, since 2006. This is my new project Nico, a personal agent for the Mac.Every huge companies are building personal agents right now. The part I think matters most is the two-agent structure, so that's what Nico is built around.The front agent talks to you. Always available, only one session, one memory, continuously compaction,...

( Read More... | 2 comments | on HN )

Re:Show HN: I lost 3 years of ChatGPT history overnight, so I built a ... on Monday February 02, 2026 @09:19PM (#46865557)

I’ve been reading HN daily for four years, but I rarely post—only when I genuinely have a question I can’t figure out on my own. I recently built this side project but wasn’t sure if anyone else actually needed it, or whether it was worth launching. I figured if there’s anywhere on the internet where people could answer that question, it’s here. So I posted.

Got nothing. Well, except some “weird” replies.

Yes, English isn’t my first language, so I used AI to polish my writing. I don’t see anything wrong with that. And I’ll keep doing it.

Show HN: I lost 3 years of ChatGPT history overnight, so I built a backup tool

Posted by benjushi on Sunday February 01, 2026 @12:58AM
from the show-hn dept.

One month ago, OpenAI deactivated my ChatGPT account without warning. 3+ years of conversations—gone.I tried everything. Emailed every OpenAI address I could find. Their response? "Use our data export tool." The catch? You need an active account to export your data.Classic.So I built a browser extension that lets me save any conversation from ChatGPT, Claude, or Gemini with one click. Markdown...

( Read More... | 2 comments | 3 points | on HN )