
AI Readiness Inspector Pro — Builder Wrench
Scan any website to show what AI assistants see when crawling it.
builderwrench · HN
Show HN: Free tool that shows what AI assistants see when they crawl your site
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Scan any website to show what AI assistants see when crawling it.
builderwrench · HN
Show HN: Free tool that shows what AI assistants see when they crawl your site

Collection of 125+ free calculators for finance, health, legal, real estate, and travel—no signup required.
@Arafat3599651 · X
Just launched 🧮 125+ free calculators — mortgage, BMI, debt payoff, compound interest, calories & more. No signup. No ads. Everything runs in your browser instantly. #buildinpublic #webdev #react

Check AI-generated outputs for errors and security issues before shipping to production.
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

Free online tool for creating flowcharts, process diagrams, org charts, and UML diagrams.
@N0V4Dev · X
I found a tool called Next AI that links AI capabilities directly with diagrams. It lets you build and edit diagrams using natural language prompts instead of clicking around the canvas manually. It's a handy way to sketch out architecture when you don't want to drag every box yourself. The project is built on TypeScript with React 19 and Next.js. It supports multiple AI providers and even includes an MCP Server. This means you can use it with the Claude Code CLI to generate diagrams from your terminal. Deployment options are flexible too. You can run the tool locally with Docker or push it to Vercel and Cloudflare Workers. It supports multi provider setups so you can pick the backend that fits your workflow. #Nextjs #AI #Diagrams #TypeScript

Scan AI prompts and endpoints for vulnerabilities, then monitor LLMs in production for security and compliance.
@CognisafeUK · X

Format and validate JSON online instantly without uploading your data.
@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

Free online PDF editor with 51 tools for merging, signing, OCR, and translation—works offline, no login needed.
@zubidavies · X

Compress prompts and reduce LLM token costs by detecting duplicate tool calls in real-time.
@DeveloperL92487 · X
I built my first app in 60min And now I got $500 MRR in one month Check here if you are interested It’s a tool to reduce agent token consumption, speed up agent response, and clean up memory cache

Business management tool with CRM, invoicing, and project management features.
@buildrunkitUS · X
BuildRunKit: A complete system for founders, with (CRM/Invoices/Projects) BuildRunKit 7-part Startup foundations book series. Book 1 is live! The Startup Self Check Frenzied Founder Podcast.

Audit your website for SEO, performance, security, and AI readiness in one scan.
petersas · HN
We gave our website-audit tool an MCP server so agents can fix issues

Verify email addresses and check domain health to improve campaign deliverability.
@mailthentic · X

Editorial workflow platform for teams to plan, write, review, approve, and publish content.
@duke_can_c_u · X
Hi I’m the founder of a content collaboration platform for teams and creators, with focus on editorial workflows. Always looking to connect with people passionate about content, SaaS, and building great products.