trello-gantt-mcp

MCP server that generates Mermaid Gantt chart HTML files from Trello boards. Built on top of the trello-gantt CLI package.

Installation

pip install trello-gantt-mcp

Configuration

Add the server to your Claude Desktop or Claude Code configuration:

Claude Desktop

Edit ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):

{
  "mcpServers": {
    "trello-gantt": {
      "command": "trello-gantt-mcp",
      "env": {
        "TRELLO_API_KEY": "your-api-key",
        "TRELLO_API_TOKEN": "your-api-token"
      }
    }
  }
}

Claude Code

Edit .claude/settings.json:

{
  "mcpServers": {
    "trello-gantt": {
      "command": "trello-gantt-mcp",
      "env": {
        "TRELLO_API_KEY": "your-api-key",
        "TRELLO_API_TOKEN": "your-api-token"
      }
    }
  }
}

Getting Trello credentials

1. Get your API key at https://trello.com/power-ups/admin
2. Generate a token from the same page (click the "Token" link next to your key)

Tool: generate_gantt

Generates a standalone HTML file with an interactive Mermaid Gantt chart.

Parameters

Example usage

Generate a Gantt chart for https://trello.com/b/abc123/my-project

The tool returns the absolute path to the generated HTML file along with a summary of cards processed.

License

MIT