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AI 资讯

Show HN: Halo – open-source, tamper-evident runtime evidence for AI agents

Hi HN, I'm Brian, I spent the last few years at Vanta (YC W18), helping startups and enterprises become compliant and I recently started exploring what that might look like in a post-agentic world. The problem Halo solves is: when a company buys an AI agent from a vendor and gives it access to their data, they have no way to check what the agent did with that data. Vendors may have built observability dashboards and audit logs, but those are editable and partisan. SOC 2 and ISO 27001 audit a com

2026-07-07 原文 →
AI 资讯

Show HN: Yamanote.fun – A complete soundscape for Tokyo's Yamanote line

After visiting Japan for the first time a decade ago I became completely enamoured with Tokyo's Yamanote Line railway loop. Particularly the sonic experience of it. Like so many others I fell in love with the charming departure melodies and enjoyed discovering experiences like Yamanot.es ( https://news.ycombinator.com/item?id=45045307 ) here on Hacker News when I returned home. But it wasn't until my second trip to Tokyo that I truly appreciated how much the door chimes, on-board announcements a

2026-07-07 原文 →
开发者

Show HN: PostgreSQL performance and cost across 23 EC2 instance types

Hey! I'm Andrei. I got frustrated by how people tend to build overcomplicated backend systems, being "motivated" by big tech case studies and popular books. So, I started exploring lean architecture, and building my digital garden of ideas, approaches and data that align with this direction. Here I want to present one of the tools – Sizing tool for PostgreSQL. I've benchmarked PostgreSQL on different EC2 instances and disks, with different initial data sets to see performance that these instance

2026-07-07 原文 →
AI 资讯

Tell HN: Who wants to be hired" posts outpace "Who's hiring" 2 to 1

Lately I've noticed that "Who wants to be hired" posts are getting more comments than the "Who's hiring" ones. I pulled the data using HN API and confirmed this "reversal". "Who wants to be hired" posts are getting 2x more comments than "Who's hiring" posts (and seems to be accelerating). For reference, in 2022 it used to be 0.25. I'm old, I'm from the times where demand for software devs greatly outpaced supply, but maybe we're seeing a reversal of it? I don't want to draw any conclusions yet,

2026-07-07 原文 →