A Zettelkasten knowledge management system as an MCP server
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# Zettelkasten MCP Server A Model Context Protocol (MCP) server that implements the Zettelkasten knowledge management methodology, allowing you to create, link, explore and synthesize atomic notes through Claude and other MCP-compatible clients. ## What is Zettelkasten? The Zettelkasten method is a knowledge management system developed by German sociologist Niklas Luhmann, who used it to produce over 70 books and hundreds of articles. It consists of three core principles: 1. **Atomicity**: Each note contains exactly one idea, making it a discrete unit of knowledge 2. **Connectivity**: Notes are linked together to create a network of knowledge, with meaningful relationships between ideas 3. **Emergence**: As the network grows, new patterns and insights emerge that weren't obvious when the individual notes were created What makes the Zettelkasten approach powerful is how it enables exploration in multiple ways: - **Vertical exploration**: dive deeper into specific topics by following connections within a subject area. - **Horizontal exploration**: discover unexpected relationships between different fields by traversing links that cross domains. This structure invites serendipitous discoveries as you follow trails of thought from note to note, all while keeping each piece of information easily accessible through its unique identifier. Luhmann called his system his "second brain" or "communication partner" - this digital implementation aims to provide similar benefits through modern technology. ## Features - Create atomic notes with unique timestamp-based IDs - Link notes bidirectionally to build a knowledge graph - Tag notes for categorical organization - Search notes by content, tags, or links - Use markdown format for human readability and editing - Integrate with Claude through MCP for AI-assisted knowledge management - Dual storage architecture (see below) - Synchronous operation model for simplified architecture ## Examples - Knowledge creation: [A sma…
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