BlenderMCP vs build123d-mcp

A side-by-side comparison of two Design & Media servers — tools, transport, auth, maintenance, and copy-paste config for each.

	BlenderMCP Control Blender from Claude and other LLMs for prompt-assisted 3D modeling, scene creation, and asset generation. Unverified stdio (local) No auth Python	build123d-mcp Exposes build123d CAD operations as MCP tools so AI assistants can build, inspect, and iterate on 3D geometry interactively. Unverified stdio (local) No auth Python
Category	Design & Media	Design & Media
Language	Python	Python
Transport	stdio (local)	stdio (local)
Auth	None	None
GitHub stars	23k	25
Last commit	2 months ago	1 month ago
Verified
Actively maintained
Install	`uvx blender-mcp`	`pip install build123d-mcp`
Repo	Open	Open

Verdict

Pick BlenderMCP if you prefer the more popular, battle-tested option.

Pick build123d-mcp if you need the broadest set of tools.

Add BlenderMCP

Install / run

uvx blender-mcp

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

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

Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.

Add build123d-mcp

Install / run

pip install build123d-mcp

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "build123d-mcp": {
      "command": "uv",
      "args": [
        "tool",
        "run",
        "--python",
        "3.12",
        "build123d-mcp@latest"
      ]
    }
  }
}

FAQ

BlenderMCP or build123d-mcp — which is better?

Pick BlenderMCP if you prefer the more popular, battle-tested option. Pick build123d-mcp if you need the broadest set of tools.

Can I use both BlenderMCP and build123d-mcp?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do BlenderMCP and build123d-mcp work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View BlenderMCP →View build123d-mcp →More comparisons →