Overview

The Blender MCP Server connects Blender to Claude AI through the Model Context Protocol (MCP), allowing Claude to directly interact with and control Blender. It is listed as a third-party MCP server in the official Model Context Protocol repository.

The system consists of two main components:

Blender Addon (addon.py): A Blender addon that creates a socket server within Blender to receive and execute commands
MCP Server (src/blender_mcp/server.py): A Python server that implements the Model Context Protocol and connects to the Blender addon

Key Features

🔄

Two-Way Communication

Connect Claude AI to Blender through a socket-based server

🪐

Object Manipulation

Create, modify, and delete 3D objects in Blender

🎨

Material Control

Apply and modify materials and colors

👀

Scene Inspection

Get detailed information about the current Blender scene

💻

Code Execution

Run arbitrary Python code in Blender from Claude

🗂️

Asset Integration

Access Poly Haven assets and generate models with Hyper3D Rodin

Available Tools

Quick Reference

Tool	Purpose	Category
`execute_blender_code`	Run arbitrary Python code in Blender	Execution
`create_object`	Create 3D objects in Blender	Manipulation
`modify_material`	Apply or modify materials for objects	Material
`inspect_scene`	Get detailed scene and object information	Inspection
`download_poly_haven_asset`	Download assets from Poly Haven	Assets
`generate_hyper3d_model`	Generate 3D models using Hyper3D Rodin	Generation

Detailed Usage

execute_blender_code▶

Warning:

Use with caution in production environments as it allows running arbitrary code

Run arbitrary Python code in Blender from Claude.

use_mcp_tool({
  server_name: "blender",
  tool_name: "execute_blender_code",
  arguments: {
    code: "import bpy; bpy.ops.mesh.primitive_cube_add(size=2, location=(0, 0, 0))"
  }
});

create_object▶

Create 3D objects (e.g., cube, sphere) in the Blender scene.

use_mcp_tool({
  server_name: "blender",
  tool_name: "create_object",
  arguments: {
    type: "cube",
    size: 2,
    location: [0, 0, 0]
  }
});

modify_material▶

Apply or modify materials and colors for Blender objects.

use_mcp_tool({
  server_name: "blender",
  tool_name: "modify_material",
  arguments: {
    object_name: "Cube",
    material_name: "RedMaterial",
    color: [1, 0, 0, 1]
  }
});

inspect_scene▶

Get detailed information about the current Blender scene and objects.

use_mcp_tool({
  server_name: "blender",
  tool_name: "inspect_scene",
  arguments: {}
});

Installation

Prerequisites

Blender 3.0 or newer
Python 3.10 or newer
uv package manager (install via brew install uv on macOS)

Claude Desktop Integration

Add the following configuration to claude_desktop_config.json:

{
  "mcpServers": {
    "blender": {
      "command": "uvx",
      "args": [
        "blender-mcp"
      ]
    }
  }
}

Blender Addon Installation

Download the addon.py file from the GitHub repo
Open Blender > Edit > Preferences > Add-ons
Install and enable the "Interface: Blender MCP" addon

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