MCP Obsidian

A server implementation of the Model Context Protocol (MCP) for integrating with Obsidian. This allows AI assistants to read, create, and manipulate notes in your Obsidian vault.

Features

• Read the active file in Obsidian

• Delete the active file

• Insert content at specific positions (headings, block references, frontmatter)

• Append content to files

• Open specific files

• List files in your vault

• Search through your notes

Related MCP server: Vault Cortex

Prerequisites

• Bun runtime

• Obsidian desktop application

• An MCP-compatible AI assistant

Add to cursor

Place your secret in .env file

Choose command MCP and then enter this command

bun __REPO_PATH__/src/index.ts

Installation

1. Clone this repository:

   git clone https://github.com/gregkonush/mcp-obsidian.git
   cd mcp-obsidian

2. Install dependencies:

   bun install

3. Copy the example environment file and configure it:

   cp .env.example .env

Configuration

Edit the .env file with your specific configurations:

OBSIDIAN_BASE_URL=http://localhost:27123
OBSIDIAN_TOKEN=your_token_here
DEBUG=false

Usage

Start the MCP server:

bun run src/index.ts

The server will start and communicate with MCP-compatible AI assistants via standard I/O.

Available Tools

This implementation provides the following tools to AI assistants:

• get_active_file - Returns the content of the currently active file

• delete_active_file - Deletes the currently active file

• insert_active_file - Modifies content relative to a heading, block reference, or frontmatter field

• append_active_file - Appends content to the end of the active file

• open_file - Opens a specific file in Obsidian

• search_simple - Searches for documents matching a text query

• list_files - Lists files in the root directory of your vault

• list_directory_files - Lists files in a specific directory of your vault

Development

Project Structure

mcp-obsidian/
├── src/
│   ├── index.ts            # Main server implementation
│   └── tools/              # Individual tool implementations
│       ├── get-active-file.ts
│       ├── delete-active-file.ts
│       └── ...
├── .env                    # Environment configuration
├── package.json            # Project dependencies
└── tsconfig.json           # TypeScript configuration

Adding New Tools

To add a new tool:

1. Create a new file in the src/tools/ directory

2. Implement the tool using the MCP SDK

3. Import and register the tool in src/index.ts

License

This project is licensed under the MIT License - see the LICENSE.md file for details.

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.