Obsidian MCP (Model Context Protocol)

Obsidian MCP is a tool that allows you to interact with your Obsidian vault using the Model Context Protocol. This enables AI assistants to read, write, and manipulate notes in your Obsidian vault through a standardized interface.

Prerequisites

• Node.js 18 or higher
• Obsidian with Local REST API plugin installed and configured
• API key generated from the Local REST API plugin

Setting MCP Server (e.g. Claude Desktop App)

1. Clone this repository
2. Install dependencies:
   npm install
3. Build the project:
   npm run build
4. Configure Claude Desktop App to use this MCP server:
   { "mcpServers": { "Obsidian": { "command": "node", "args": ["/Users/<Your Own Path>/obsisian-mcp/build/index.js"], "env": { "apiKey": "<Your API Token>", "port": "27123", "host": "127.0.0.1" } } } }

Development

Create .env and configure "apiKey", "port", and "host" as mentioned above.

Available Tools

The following tools are implemented:

1. readNote - Read the contents of a specific note
   { "path": "path/to/note.md" }
2. readActiveNote - Read the contents of the current active note
   {}
3. listNotes - Recursively lists files and folders in the entire Vault or under a specified folder
   { "path": "optional/folder/path" }
4. patchNote - Inserts content into an existing note relative to a heading, block reference, or frontmatter field
   { "path": "path/to/note.md", "operation": "append|prepend|replace", "targetType": "heading|block|frontmatter", "target": "target_identifier", "content": "content to insert" }
5. searchWithJsonLogic - Search Obsidian notes using JsonLogic format queries
   { "query": { // JsonLogic query object } }