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MCP TriliumNext

by RadonX
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JavaScript
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MCP TriliumNext

A Model Context Protocol (MCP) server for TriliumNext, providing AI assistants with seamless access to your note-taking workflow.

Overview

This MCP server enables AI assistants like Claude to interact with your TriliumNext notes through a standardized protocol. It provides tools for creating, searching, reading, and updating notes, as well as accessing recent notes as a resource.

Features

🛠️ Tools

  • create_note - Create new notes with title, content, and type

  • search_notes - Search notes using fulltext or structured queries

  • get_note - Retrieve complete note details and content

  • update_note - Update existing note content

📚 Resources

  • trilium://recent-notes - Access to 10 most recently modified notes

✨ Key Capabilities

  • Full CRUD operations for notes

  • Advanced search with TriliumNext query syntax

  • Structured data preservation for AI consumption

  • Comprehensive error handling and validation

  • Production-ready logging and monitoring

Installation

Prerequisites

  • Node.js 18.0.0 or higher

  • TriliumNext server running and accessible

  • ETAPI token from your TriliumNext instance

Setup

  1. Clone and install

    git clone git@github.com:RadonX/mcp-trilium.git cd mcp-trilium npm install

  2. Configure environment Create a .env file with your settings:

    TRILIUM_URL=http://localhost:8080 TRILIUM_AUTH_TOKEN=your_etapi_token_here REQUEST_TIMEOUT=30000 LOG_LEVEL=info

  3. Get your ETAPI token

    • Open TriliumNext web interface

    • Go to Options → ETAPI

    • Create a new token or use existing one

    • Copy the token to your .env file

  4. Test connectivity

    npm run test-connectivity

Usage

With Claude Code

Add the MCP server directly using Claude Code:

claude mcp add trilium-mcp node /path/to/mcp-trilium/src/index.js --env TRILIUM_URL=http://localhost:8080 --env TRILIUM_AUTH_TOKEN=your_etapi_token_here --env REQUEST_TIMEOUT=30000 --env LOG_LEVEL=info

With Claude Desktop

Add to your Claude Desktop configuration (~/.claude/claude_desktop_config.json):

{ "mcpServers": { "trilium": { "command": "node", "args": ["/path/to/mcp-trilium/src/index.js"], "env": { "TRILIUM_URL": "http://localhost:8080", "TRILIUM_AUTH_TOKEN": "your_token_here" } } } }

With MCP Inspector

npx @modelcontextprotocol/inspector src/index.js

Standalone Usage

npm start

Examples

Creating a Note

// Ask Claude: "Create a note about TypeScript basics" { "tool": "create_note", "arguments": { "title": "TypeScript Basics", "content": "# TypeScript Fundamentals\n\nTypeScript is a typed superset of JavaScript...", "type": "text", "parentNoteId": "root" } }

Searching Notes

// Ask Claude: "Find all notes about JavaScript" { "tool": "search_notes", "arguments": { "query": "javascript #programming", "limit": 10 } }

Updating Content

// Ask Claude: "Update my JavaScript notes with new ES6 features" { "tool": "update_note", "arguments": { "noteId": "note123abc", "content": "Updated content with ES6 features..." } }

Search Query Syntax

TriliumNext supports powerful search queries:

  • Fulltext: machine learning algorithms

  • Exact match: "neural networks"

  • Labels: #programming #javascript

  • Combined: "react hooks" #programming type:code

  • Date filters: dateCreated:>2024-01-01

Development

Running Tests

# Run all tests npm test # Watch mode npm run test:watch # Coverage report npm run test:coverage

Project Structure

src/ ├── index.js # Main MCP server ├── tools/ # MCP tool implementations │ ├── create-note.js │ ├── search-notes.js │ ├── get-note.js │ └── update-note.js ├── resources/ # MCP resource implementations │ └── recent-notes.js └── utils/ # Shared utilities ├── trilium-client.js ├── validation.js └── logger.js

API Reference

TriliumNext ETAPI

This server uses TriliumNext's External API (ETAPI). Key endpoints:

  • GET /notes - Search notes

  • POST /create-note - Create note

  • GET /notes/{id} - Get note details

  • PUT /notes/{id}/content - Update note content

See docs/trilium-etapi-specification.md for complete API documentation.

Configuration

Environment Variables

  • TRILIUM_URL - TriliumNext server URL (default: http://localhost:8080)

  • TRILIUM_AUTH_TOKEN - ETAPI authentication token (required)

  • REQUEST_TIMEOUT - API request timeout in ms (default: 30000)

  • LOG_LEVEL - Logging level: error, warn, info, debug (default: info)

Note Types

Supported note types:

  • text - Rich text notes (default)

  • code - Code snippets with syntax highlighting

  • file - File attachments

  • image - Image notes

  • search - Saved searches

  • book - Book/chapter organization

  • relationMap - Visual relation maps

  • canvas - Freeform canvas notes

Troubleshooting

Common Issues

Authentication Failed

# Check your token curl -H "Authorization: Bearer your_token" http://localhost:8080/etapi/app-info

Connection Refused

  • Verify TriliumNext is running

  • Check TRILIUM_URL in .env

  • Ensure ETAPI is enabled in TriliumNext settings

Content Stored as [Object]

  • Fixed in v0.1.0 - content now properly sent as text/plain

  • Update to latest version if experiencing this issue

Debug Mode

LOG_LEVEL=debug npm start

Contributing

  1. Fork the repository

  2. Create a feature branch: git checkout -b feature-name

  3. Make your changes with tests

  4. Run the test suite: npm test

  5. Submit a pull request

License

MIT License - see LICENSE file for details.

Related Projects

Future Enhancements

The following features may be added in future versions:

🚀 Planned Features

  • Enhanced note types support - Full support for all TriliumNext note types (relationMap, canvas, etc.)

  • Advanced search features - Attribute-based queries, date range filters, and complex search operators

  • Performance optimizations - Caching, batch operations, and streaming for large note collections

  • Note relationship management - Tools for managing note relationships and hierarchies

  • Bulk operations - Create, update, or delete multiple notes in a single operation

  • Attachment handling - Support for file uploads and downloads

  • Real-time updates - WebSocket integration for live note synchronization

💡 Potential Integrations

  • Export capabilities - Export notes to various formats (Markdown, PDF, etc.)

  • Template system - Predefined note templates for common use cases

  • Backup and restore - Automated backup functionality through MCP

  • Analytics and insights - Note usage statistics and content analysis

Changelog

v0.1.0

  • Initial release with full CRUD operations

  • MCP resource for recent notes

  • Comprehensive test coverage (94 tests)

  • Production-ready error handling and validation

Made with ❤️ for the TriliumNext and MCP communities

Deploy Server
A
security – no known vulnerabilities
F
license - not found
A
quality - confirmed to work

How are these scores calculated?

remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

Tools

A Model Context Protocol server enabling AI assistants to interact with TriliumNext notes, providing tools for creating, searching, reading, and updating notes in your knowledge base.

  1. Overview
    1. Features
      1. 🛠️ Tools
      2. 📚 Resources
      3. ✨ Key Capabilities
    2. Installation
      1. Prerequisites
      2. Setup
    3. Usage
      1. With Claude Code
      2. With Claude Desktop
      3. With MCP Inspector
      4. Standalone Usage
    4. Examples
      1. Creating a Note
      2. Searching Notes
      3. Updating Content
    5. Search Query Syntax
      1. Development
        1. Running Tests
        2. Project Structure
        3. API Reference
      2. Configuration
        1. Environment Variables
        2. Note Types
      3. Troubleshooting
        1. Common Issues
        2. Debug Mode
      4. Contributing
        1. License
          1. Related Projects
            1. Future Enhancements
              1. 🚀 Planned Features
              2. 💡 Potential Integrations
            2. Changelog
              1. v0.1.0

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