Blockbench MCP

https://github.com/user-attachments/assets/ab1b7e63-b6f0-4d5b-85ab-79d328de31db

Plugin Installation

Open the desktop version of Blockbench, go to File > Plugins and click the "Load Plugin from URL" and paste in this URL:

https://jasonjgardner.github.io/blockbench-mcp-plugin/mcp.js

Model Context Protocol Server

Configure the MCP server under Blockbench settings: Settings > General > MCP Server Port and MCP Server Endpoint

The following examples use the default values of :3000/bb-mcp

Installation

VS Code

.vscode/mcp.json

{
  "servers": {
    "blockbench": {
      "url": "http://localhost:3000/bb-mcp",
      "type": "http"
    }
  }
}

Claude Desktop

claude_desktop_config.json

{
  "mcpServers": {
    "blockbench": {
      "command": "npx",
      "args": ["mcp-remote", "http://localhost:3000/bb-mcp"]
    }
  }
}

Claude Code

claude mcp add blockbench --transport http http://localhost:3000/bb-mcp

Antigravity

{
  "mcpServers": {
    "blockbench": {
      "serverUrl": "http://localhost:3000/bb-mcp"
    }
  }
}

Usage

See sample project for prompt examples.

Plugin Development

See CONTRIBUTING.md for detailed instructions on setting up the development environment and how to add new tools, resources, and prompts.