Trello MCP Server

A Model Context Protocol (MCP) server that provides tools for interacting with the Trello API. Built on the Generic MCP Server Template.

Features

• Trello Integration: Complete access to Trello boards, lists, cards, and more
• Comprehensive API Coverage: Support for all major Trello operations
• Modular Architecture: Clear separation of concerns with a well-defined structure
• Type Safety: Full TypeScript support with proper typing for Trello objects
• Error Handling: Robust error management throughout the codebase

Project Structure

trello-mcp-server/
├── src/
│   ├── services/       # Service classes for Trello API interactions
│   │   ├── base-service.ts        # Abstract base service with common functionality
│   │   ├── trello-service.ts      # Core Trello API service
│   │   ├── board-service.ts       # Service for Trello boards
│   │   ├── list-service.ts        # Service for Trello lists
│   │   ├── card-service.ts        # Service for Trello cards
│   │   ├── member-service.ts      # Service for Trello members
│   │   ├── label-service.ts       # Service for Trello labels
│   │   ├── checklist-service.ts   # Service for Trello checklists
│   │   └── service-factory.ts     # Factory for creating service instances
│   ├── tools/          # MCP tool definitions and handlers
│   │   ├── board-tools.ts         # Board tool definitions
│   │   ├── board-tool-handlers.ts # Board tool handlers
│   │   ├── list-tools.ts          # List tool definitions
│   │   ├── list-tool-handlers.ts  # List tool handlers
│   │   ├── card-tools.ts          # Card tool definitions
│   │   ├── card-tool-handlers.ts  # Card tool handlers
│   │   ├── member-tools.ts        # Member tool definitions
│   │   ├── member-tool-handlers.ts # Member tool handlers
│   │   ├── label-tools.ts         # Label tool definitions
│   │   ├── label-tool-handlers.ts # Label tool handlers
│   │   ├── checklist-tools.ts     # Checklist tool definitions
│   │   ├── checklist-tool-handlers.ts # Checklist tool handlers
│   │   ├── trello-tools.ts        # Combined tool definitions
│   │   └── trello-tool-handlers.ts # Combined tool handlers
│   ├── types/          # TypeScript type definitions
│   │   └── trello-types.ts        # Trello type definitions
│   ├── config.ts       # Configuration management
│   └── index.ts        # Main entry point
├── .env.example        # Example environment variables
├── package.json        # Project dependencies and scripts
├── tsconfig.json       # TypeScript configuration
└── README.md           # Project documentation

Getting Started

Prerequisites

• Node.js 18 or higher
• npm or yarn
• Trello API key and token

Installation

1. Clone this repository:

   git clone https://github.com/yourusername/trello-mcp-server.git
   cd trello-mcp-server
   

2. Install dependencies:

   npm install
   

3. Create a .env file based on .env.example:

   cp .env.example .env
   

4. Edit the .env file with your Trello API key and token:

   TRELLO_API_KEY=your_trello_api_key
   TRELLO_TOKEN=your_trello_token
   

   You can obtain these from the Trello Developer Portal.

Building and Running

1. Build the project:

   npm run build
   

2. Run the server:

   npm start
   

Available Tools

The server provides tools for interacting with all major Trello resources:

Board Tools

• get_boards - Get all boards for the authenticated user
• get_board - Get a specific board by ID
• create_board - Create a new board
• update_board - Update an existing board
• delete_board - Delete a board
• get_board_lists - Get all lists on a board
• get_board_members - Get all members of a board
• get_board_labels - Get all labels on a board
• close_board - Close (archive) a board
• reopen_board - Reopen a closed board

List Tools

• get_list - Get a specific list by ID
• create_list - Create a new list on a board
• update_list - Update an existing list
• archive_list - Archive a list
• unarchive_list - Unarchive a list
• move_list_to_board - Move a list to a different board
• get_cards_in_list - Get all cards in a list
• archive_all_cards - Archive all cards in a list
• move_all_cards - Move all cards in a list to another list
• update_list_position - Update the position of a list on a board
• update_list_name - Update the name of a list
• subscribe_to_list - Subscribe to a list

Card Tools

• get_card - Get a specific card by ID
• create_card - Create a new card
• update_card - Update an existing card
• delete_card - Delete a card
• archive_card - Archive a card
• unarchive_card - Unarchive a card
• move_card_to_list - Move a card to a different list
• add_comment - Add a comment to a card
• get_comments - Get comments on a card
• add_attachment - Add an attachment to a card
• get_attachments - Get attachments on a card
• delete_attachment - Delete an attachment from a card
• add_member - Add a member to a card
• remove_member - Remove a member from a card
• add_label - Add a label to a card
• remove_label - Remove a label from a card
• set_due_date - Set the due date for a card
• set_due_complete - Mark a card's due date as complete or incomplete

Member Tools

• get_me - Get the authenticated member (current user)
• get_member - Get a specific member by ID or username
• get_member_boards - Get boards that a member belongs to
• get_member_cards - Get cards assigned to a member
• get_boards_invited - Get boards that a member has been invited to
• get_member_organizations - Get organizations that a member belongs to
• get_notifications - Get notifications for the authenticated member
• update_me - Update the authenticated member's information
• get_avatar - Get the authenticated member's avatar
• search_members - Search for members by name
• get_board_members - Get members of a board
• get_organization_members - Get members of an organization
• get_card_members - Get members assigned to a card

Label Tools

• get_label - Get a specific label by ID
• create_label - Create a new label on a board
• update_label - Update an existing label
• delete_label - Delete a label
• get_board_labels - Get all labels on a board
• update_label_name - Update the name of a label
• update_label_color - Update the color of a label
• create_label_on_card - Create a new label directly on a card
• get_card_labels - Get all labels on a card
• add_label_to_card - Add a label to a card
• remove_label_from_card - Remove a label from a card

Checklist Tools

• get_checklist - Get a specific checklist by ID
• create_checklist - Create a new checklist on a card
• update_checklist - Update an existing checklist
• delete_checklist - Delete a checklist
• get_checkitems - Get all checkitems on a checklist
• create_checkitem - Create a new checkitem on a checklist
• get_checkitem - Get a specific checkitem on a checklist
• update_checkitem - Update a checkitem on a checklist
• delete_checkitem - Delete a checkitem from a checklist
• update_checklist_name - Update the name of a checklist
• update_checklist_position - Update the position of a checklist on a card
• get_checklist_board - Get the board a checklist is on
• get_checklist_card - Get the card a checklist is on
• update_checkitem_state_on_card - Update a checkitem's state on a card

Configuration

The server uses a centralized configuration system in src/config.ts. Configuration can be provided through:

• Environment variables
• Command line arguments (with --env KEY=VALUE)
• Default values in the code

Required environment variables:

• TRELLO_API_KEY - Your Trello API key
• TRELLO_TOKEN - Your Trello API token

Error Handling

The server includes comprehensive error handling:

• Service-level error handling with rate limiting support
• Tool-level error handling with proper error messages
• MCP protocol error handling
• Trello API error handling

License

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