
Link Preview & URL Metadata API | Metarabbit
Extract Open Graph tags, X/Twitter Cards, titles, descriptions, favicons, and optional AI summaries from any URL with one fast API call. Start free.
@jrzscodes · X
Have you seen
The full gallery
Tech stack
17 projects

Extract Open Graph tags, X/Twitter Cards, titles, descriptions, favicons, and optional AI summaries from any URL with one fast API call. Start free.
@jrzscodes · X
Have you seen

Open-source ecosystem for discovering, evaluating, and publishing AI tools with a sandboxed testing framework.
@BobbySBX · X
We just dropped Assay v0.2.6, the open source evaluation engine powering Most registries judge an AI tool by its README. We built Assay to actually run skills, MCP servers, and plugins inside isolated sandboxes with live models to observe what they do before you install them. What is new in v0.2.6: - NVIDIA API Catalog provider: Native support is here, allowing you to use NVIDIA driver and judge models to run behavioral benchmarks and multi-tier audits. - Zero runtime dependencies: Still a self-contained ~240 KB tarball that speaks directly to @nvidia , @AnthropicAI , @OpenAI , @OpenRouter , and local HTTP endpoints without SDK bloat. - Adversarial and static checks: Out of the box verification against prompt injection, tool scope creep, destructive shell commands, and supply chain drift. Every tool on is tested through Assay. That means 4,200+ skills, MCP servers, and plugins are commit-pinned, graded on actual runtime behavior, and rea

Browser extension that customizes webpages with text prompts for styling, layout, and feature changes.
alentodorov · HN
built it in spring 2026--ready to share today. use opus 4.8 to create css and js snipptes to style the websites you visit the way you want. make nytimes more print-like, hn more matrix, or just replace any mention of AI with the :poop-emoji" -- your call.

Automate Instagram DMs from comments, stories, and follow-ups using Meta's official APIs.
@heyshubhamchugh · X
Check out 👋 An easy Instagram Auto DM tool for creators, coaches, and businesses to automate replies and capture more leads.

Automates SEO analysis and provides editorial insights to boost your website traffic.
@ArbieuLucien · X

AI-powered e-book reader that integrates notes, reading, and AI responses to build and systematize your personal knowledge base.
mekery · V2EX
我开源了一个 AI 电子书阅读器,欢迎大家体验 Hi V 友们, AI 时代,搭建自己的知识库非常有必要,我想把笔记、阅读和 AI 回答集成在一起,不断完善知识的积累和系统化,因此做了这款阅读器。 ## 整体预览  ## 阅读 ### 书架  ### 阅读视图   ### 目录、书签、高亮、注释和 AI  ###

Build LinkedIn prospect lists and automate outreach with AI-generated messages.
@mzrness · X
LinkedIn outreach made cheap

Discover keyword rankings and market opportunities with curated signals and editorial research.
@danny489642 · X

Add your product, choose what the attention is worth, and take the rank your bid buys.
@Xx_7uop · X

Upload data bundles, visualize as knowledge graphs, and query with AI-powered chat.
u/manndortmund · Reddit
Create, browse and chat with your Open Knowledge Format. The Open Knowledge Format is Google's open standard for knowledge that both people and AI agents can read. This tool lets you build your own OKF , browse it, and question it — without writing markdown and YAML by hand. Upload once, then structure, visualize and ask across your whole bundle. Concept Library Upload a .zip, .md or .json bundle in OKF v0.2 format. The parser reads out the concepts and their frontmatter, so titles, desc

Transform AI-generated text into human-sounding content with tools for grammar, summarization, and SEO optimization.
@RohanAhmed06 · X
🚀 Built Humanely. An AI writing toolkit with: • AI Humanizer • AI Detector • Grammar Checker • Text Summarizer • SEO Tools I'd love your honest feedback 🙌

guides.show hosts the viewer and share links for Plannotator Guided Reviews: a chaptered walkthrough of a diff as one small HTML file, or as an encrypted link.
ramoz · HN
Code walkthroughs you can send as a file