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Blender MCP

MCP for Blender

An MCP server and Blender addon: the agent creates and edits objects, materials and scenes, pulls assets and runs Python in Blender

MCP serverEditors’ pickHigh risk

ahujasid/blender-mcpAuthor: Siddharth Ahuja

Install

claude mcp add blender uvx blender-mcp

This is third-party code. Review the repository files before installing.

What it does

The project has two parts: an addon that opens a socket server inside Blender and an MCP server that connects it to the agent. The agent reads scene info, creates, edits and deletes objects, and sets materials and colors. It can run arbitrary Python in Blender, fetch Poly Haven assets and Sketchfab and Poly Pizza models, and generate 3D models via Hyper3D Rodin and Hunyuan3D. A safe mode validates scripts before they run.

Who it is for. For 3D artists, designers and game developers who want to build Blender scenes from text prompts.

Good fit when

  • You need a quick scene or environment prototype
  • You need bulk changes to objects or materials via Python
  • You want to find and place ready assets from open libraries

Not a fit when

  • You need precise manual modeling
  • The agent must not run arbitrary code on your machine

Example request

Create a low-poly scene in Blender with a cabin by a lake and sunset lighting

Limitations

Requires Blender 3.0+, Python 3.10+ and uv. Only one MCP server instance should run at a time. Telemetry is on by default and can be disabled in addon preferences or with DISABLE_TELEMETRY. Hyper3D, Hunyuan3D and Sketchfab features depend on external services and their keys.

How to disable. Disable the addon in Edit, Preferences, Add-ons and remove the blender server from your MCP client config.

MCP

Transport
stdio
Authentication
not required
Environment variables
BLENDER_HOST
Blender socket server host, localhost by default
BLENDER_PORT
Blender socket server port, 9876 by default
BLENDER_MCP_SAFE_MODE
Set to 1 to validate scripts before they run
DISABLE_TELEMETRY
Set to true to fully disable telemetry

Security check

  • Runs arbitrary Python code in Blender
  • Telemetry is on by default

README in short

The README gives a four-step quick start: install uv, add the server to your client, install the addon and start the server from the Blender panel. It has configs for Claude Desktop, Claude Code, Codex, Cursor, VS Code, OpenCode and Antigravity. It covers features, env vars, Docker, troubleshooting, security limits and telemetry control. MIT licensed.

FAQ

Is this an official Blender project?

No, the README states it is a third-party integration.

How do I validate code before it runs?

Set BLENDER_MCP_SAFE_MODE=1 so scripts are validated before running in Blender.

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