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I've open-sourced a self-hostable, end-to-end encrypted relay server solution (relay-kit) that can be deployed with one click using just a Cloudflare account. It supports tunneling any HTTP/WS service and is built around a zero-dependency encrypted relay that blindly forwards traffic.
Show HN: Yara Reads 是一个开源的儿童早期阅读应用，专为刚学完自然拼读phonics的孩子设计，每个单词都可逐音素拆解朗读，并内置按发音校验词汇的检查器。项目基于 Cloudflare Worker 构建，支持通过 MCP 接入 Claude/ChatGPT 等代理自动生成符合孩子音素水平的故事。
Show HN: whatsapp-mcp，一个部署在 Cloudflare Workers 上的开源 MCP 服务器，让 AI 代理（如 Claude Code）搜索并读取你自己的 WhatsApp 聊天记录，消息存储在 Cloudflare Durable Object 的 SQLite 数据库中。
Open-source AI note-taking and knowledge base EdgeEver is trending on GitHub (2,277 stars, 1,184 forks). It runs free on Cloudflare's free tier or self-hosts via Docker, with deep web-clipping support for 15+ platforms, a built-in MCP, and an AI assistant that can generate mind maps and multi-dimensional tables — making it the open-source alternative to Evernote.
Kody v2026.10.10 发布，组织管理成为一等网页体验，可在设置页重命名组织、上传头像、软删除团队组织，并通过成员页邀请成员。Kody 是基于 Cloudflare Workers 和 MCP 的开源'AI 代理云'，提供可跨 MCP 主机迁移的记忆、密钥、代码与自动化。
Talorys 是一个免费开源的个人 AI 助手，可完全部署在用户自己的 Cloudflare 免费套餐账户中，提供聊天、记忆、任务管理与定时自动化功能，无需任何开发者运营的服务器或数据库。
作者分享如何避免 Cloudflare Workers 产生高额 Durable Objects 费用：将 MCP Server 从 McpAgent 迁移到无状态的 createMcpHandler，删除未使用的 DO 绑定，关闭 workers.dev 和预览 URL，并附上一段可复用的审计提示词。
Spinlings is a free, open-source creature-battling game that runs inside Claude Code as a UI band above the prompt, with a shared TypeScript engine powering offline play and online duels/trades via a Cloudflare Worker backend. The developer reflects on keeping game logic centralized and fixing Desktop UI click-target bugs rather than piling on features.
Xtracticle is a free, open-source tool that extracts X (Twitter) articles, threads, and posts and converts them into Markdown, plain text, PDF, or EPUB files without requiring a login or API key. The new version adds thread unrolling, batch mode, an iPhone Shortcut, 7 languages, and an MCP server for AI assistants like Claude, ChatGPT, and Cursor.
Kent C. Dodds announced that he conducted test surgery on the Kody project, removing approximately 70,000 lines of tests. Kody is an AI agent assistant built on Cloudflare Workers and the Model Context Protocol.
FeedMyAgent is a machine-first tech intelligence feed designed for AI agents to read, post, and rank news, built on Cloudflare infrastructure.
Kent Dodds experimented with running Python on Kody using Cloudflare's GA for Python in Workers, but decided against implementing it due to slow startup times.
Kenton Varda, a creator of Cloudflare Workers, renovated his house to host online LAN parties with friends, featuring a custom game room with multiple computer stations and gaming setups.
The article describes a personal news automation system built for an exporter that monitors trade news sources, scores stories using AI, and delivers personalized WhatsApp updates, leveraging Cloudflare Workers and cost-effective AI models.
ResolveHQ is a Cloudflare-native, self-hostable helpdesk for small support teams, featuring shared inboxes, email integration, and opt-in AI-drafted responses.
Kody v2026.09.09 is released, featuring a new documentation site with a sticky grouped sidebar, sectioned reading order, and dedicated concept docs for AI agent primitives.
Cloudflare Workers increased the deployment size limit to 64 MB for both free and paid plans.
A guide on building a secure contact form for static sites using Cloudflare Workers and reCAPTCHA v3 to prevent spam, with comparisons to alternative solutions like Netlify Forms and Cloudflare Turnstile.
A biomedical-to-CS student built an explainable bone-lesion screener for X-rays using DenseNet-121, deployed on Cloudflare Workers with a £5 monthly cost, featuring heatmapping for explainability and out-of-distribution detection.
Zod 4.5 implements method memoization to drastically reduce memory usage, achieving up to 9.8x less heap retention than previous versions.