@VeganVegan75738 · X

做了一个免费的 JSON 格式化工具。 支持： ✅ JSON 格式化 ✅ JSON 校验 ✅ 在线使用 ✅ 无需安装，数据不上传 开发者日常调试 JSON 可以直接用： #开发者 #前端开发 #工具

@baoooo0 · X

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

u/Brief_Dust8845 · Reddit

I pivoted from my initial idea after realizing I was solving the right problem at the wrong time When I started building GaaS Guard, it was an AI governance tool for companies. The idea was to help organizations defend against prompt injection and unsafe AI interactions. It was technically interesting, and I still genuinely believe I was solving a real problem. The problem was, it just wasn’t selling—to be brutally honest. Here’s how I actually ended up pivoting. I started using a b

est · V2EX

无聊，复刻了个 web 版的 微信朋友圈  <https://f.est.im/> 要说亮点还是有，所有发帖+评论数据，包括这套代码本身，都在[一个 git 仓库]( https://github.com/est/gitweets)里。搬家比较容易 说明 [1]( https://blog.est.im/2025/stdout-05) [2]( https://blog.est.im/2026/stdout-28) 大家提点看法？

@chakaapportal · X

x402 gateway for cybersecurity

@runtimeriot · X

Scan your site for security vulnerabilities.

@Robby_Seventeen · X

@KsaAZaks · X

- Traffic Orchestration Platform

cocodot LLM 降智检测 — 免费的 LLM API「降智/偷换模型」在线检测：填入任意 OpenAI 兼容端点的 base_url 和临时 API Key，跑 6 项探针（模型声明、动态题、能力完整性等）生成分项报告；Key 仅用于当次检测、不落库不留存，检测方法[开源](https://github.com/cocodot2026/cocodot-llmprobe)

@fatwang2ai · X

做了一个 IP 检测工具： 开源。一次查询汇总 13 个数据源的风险评分、代理/机房类型和网络归属。不同平台的判断经常不一样，有些数据库甚至提供付费修正机制。与其只信某一家，不如把共识和差异放在一起看，更全面地了解你的 IP

@adambalee · X

Built Sentinel 👋 Instant free URL check on the homepage. Every free account also includes 1 public status page, even for commercial use.