Trello MCP Server

An MCP (Model Context Protocol) server that connects Claude to Trello, giving you full board, list, and card management through natural conversation.

Companion project for Build a Custom Connector for Claude Cowork with the MCP TypeScript SDK, a step-by-step guide to building reliable MCP tools, structuring the Trello API client, testing with the MCP Inspector, and connecting the server to Claude.

Tools Included

Related MCP server: Trello MCP Server

Setup

1. Get Trello API Credentials

1. Go to https://trello.com/power-ups/admin and create a Power-Up (or use an existing one)

2. Navigate to the API Key tab and generate a new API key

3. Generate a token by visiting:

   https://trello.com/1/authorize?expiration=never&scope=read,write&response_type=token&key=YOUR_API_KEY

4. Click Allow and copy the token

2. Install and Build

cd trello-mcp-server
npm install
npm run build

3. Configure in Claude

Add to your Claude desktop config (~/.claude/claude_desktop_config.json) or Cowork MCP settings:

{
  "mcpServers": {
    "trello": {
      "command": "node",
      "args": ["/path/to/trello-mcp-server/dist/index.js"],
      "env": {
        "TRELLO_API_KEY": "your-api-key",
        "TRELLO_TOKEN": "your-token"
      }
    }
  }
}

Usage Examples

Once configured, you can ask Claude things like:

• "Show me all my Trello boards"

• "List the cards in my Sprint board's To Do column"

• "Create a card called 'Fix login bug' in the Backlog list"

• "Move that card to the In Progress list"

• "Add a checklist with testing steps to that card"

• "What's been happening on the project board this week?"

• "Search for any cards about the API redesign"