Show HN: OpenKnowledge – open source AI-first alternative to Obsidian/Notion
摘要
OpenKnowledge 是一个 local-first 的 Markdown 编辑器和 LLM wiki，支持类似 Google Docs / Notion 的所见即所得（WYSIWYG）编辑体验，并面向 AI 协作场景设计。 它集成 Claude、Codex、Cursor 等 AI 工具，并通过 MCP/CLI 方式接入任意 agent/harness，支持协作式 AI 编辑、agent search 以及 “第二大脑” 式知识库使用方式。 功能上包括开箱即用的 MCP、skills、agentic search，以及基于 git/GitHub 的团队同步与无代码共享能力。应用形态上提供 macOS 桌面端，也支持 Linux / Windows / Intel Mac 通过 Web + CLI 运行（需要 Node.js 24+）。 项目开源协议为 GPL-3.0-or-later，文档见 urlOpenKnowledge Docshttps://openknowledge.ai/docs。
荐读理由
本地优先 markdown 编辑器 + WYSIWYG + Claude/Codex 等 AI 集成 + MCP/CLI 代理搜索，能直接落地到个人 AI 工程项目
原文
OpenKnowledge
OpenKnowledge is a beautiful, local-first markdown editor and LLM wiki with integrations for Claude, Codex, and other harnesses.
Available as macOS app or Web app/CLI for Linux, Windows, Intel Mac.
Features
Key highlights:
Full WYSIWYG so that editing markdown files feels like editing a Google Doc or Notion page.
Collaborative AI-editing with Claude, Codex, and Cursor desktop apps. Can be used with any harness/agent via MCP/CLI.
Out-of-the-box MCP, skills, and agentic search for LLM Wikis, agent second brains, and spec-driven development.
No-code Team Sharing and Auto-sync powered by git/GitHub under the hood.
Docs for general usage: https://openknowledge.ai/docs.
Install
macOS: download the desktop app — open the DMG, drag Open Knowledge to Applications, and launch it. Latest release.
Linux, Windows, Intel Mac: run the same editor as a local web app via the CLI (Node.js 24+ required):
npm install -g @inkeep/open-knowledge
cd your-project
ok init # scaffold the project + wire up Claude Code, Cursor, and Codex
ok start --open # serve the web editor and open it in your browser
Contributions
Public pull requests are welcome. When a public PR opens here, automation mirrors it into the internal monorepo for review and merge.
See CONTRIBUTING.md for details.
License
OpenKnowledge is licensed under the GNU General Public License v3.0 or later (GPL-3.0-or-later).
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