Knowledge management MCP server for Obsidian vaults enabling AI interaction with notes. Provides comprehensive tools for reading, writing, searching, managing notes, tags, and frontmatter through the Obsidian Local REST API with automated vault management.
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Obsidian MCP Server
The Obsidian MCP Server provides comprehensive access to your Obsidian vault, enabling LLMs and AI agents to read, write, search, and manage your notes and files through the Obsidian Local REST API plugin. It acts as a bridge between AI assistants and your personal knowledge base.
Reading:
Writing:
Searching:
Management:
Direct AI Access to Knowledge Base: AI assistants can read and reference existing notes for context, understanding, and information retrieval from your personal knowledge repository.
Automated Note-Taking: Create, update, and organize notes through AI interactions, automatically capturing information from conversations and research.
Enhanced Search: Leverage AI for finding connections across your entire vault, discovering relationships you might have missed.
Content Organization: AI can help tag, categorize, and structure notes for better organization and retrieval.
Automatically create links between related notes and build comprehensive knowledge networks.
Meeting Notes Automation: Generate meeting notes automatically with proper formatting, tags, and frontmatter.
Research Assistance: Compile research from multiple notes, synthesize information, and create summaries.
Prerequisites:
1. cyanheads/obsidian-mcp-server (Full-featured)
2. Obsidian HTTP MCP (Lightweight)
3. markuspfundstein/obsidian (Alternative implementation)
The MCP server communicates with Obsidian through the Local REST API plugin:
With Claude Desktop:
With Cursor:
With VS Code:
Frontmatter is YAML metadata at the top of Markdown notes:
---
title: My Note
tags: [project, important]
date: 2026-03-07
---
The MCP server can:
Comprehensive tag management:
Text Search:
Regex Search:
Search & Replace:
Example AI interactions:
Step 1: Install Obsidian Local REST API Plugin
Step 2: Configure Plugin
Step 3: Install MCP Server
npm install obsidian-mcp-server
Step 4: Configure MCP Client Add vault path and API credentials to your MCP client configuration.
Free and open-source. Obsidian application pricing applies (free for personal use, paid for commercial).
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