Daily builder brief

Today's hottest Hacker News ideas

IdeaWell monitors 30 front-page threads (2297 comments) and distills them into summaries and launch-ready prompts. Refreshed 2026-02-03 23:14 UTC.

• Lead discussions: Lessons Learned Shipping 500 Units of My First Hardware Product; FlashAttention-T: Towards Tensorized Attention; Deno Sandbox
• 7 of today's threads already crossed 100+ comments.
• Builders debated 2297 comments across the front page.