DESIGN:OS 3D Blender MCP Server
Free MCP server for native Blender 5.2 modeling and renders
DESIGN:OS 3D Blender is a Developer Tools MCP (Model Context Protocol) server: Free MCP server for native Blender 5.2 modeling and renders. It is PolyForm Shield 1.0.0 (source-available)-licensed and self-hosted from its source repository. Listed on MCP Collection since November 2026.
About DESIGN:OS 3D Blender
design-os-3d-blender is a free stdio MCP server for Blender 5.2 LTS. Claude Code, Codex, Cursor or any MCP client can model, render and verify parametric 3D parts (gears, enclosures, drone frames) in headless Blender, with deterministic verification gates and glTF/STL exports. Source-available (PolyForm Shield).
How to connect DESIGN:OS 3D Blender to Claude, Cursor or VS Code
DESIGN:OS 3D Blender is self-hosted. Install it from the source repository, then register its start command in your MCP client's config (Claude Code, Cursor, Windsurf or VS Code).
{
"mcpServers": {
"design-os-3d-blender": {
"command": "<start command from the README>",
"args": []
}
}
}The exact command (often npx, uvx or docker) is in the project README at github.com/jangtrinh/design-os-3d-blender.
DESIGN:OS 3D Blender FAQ
What is DESIGN:OS 3D Blender?
DESIGN:OS 3D Blender is a Model Context Protocol (MCP) server in the Developer Tools category. Free MCP server for native Blender 5.2 modeling and renders. MCP servers expose tools that AI assistants like Claude can call during a conversation.
How do I use DESIGN:OS 3D Blender with Claude or Cursor?
DESIGN:OS 3D Blender is self-hosted. Install it from the source repository, then register its start command in your MCP client's config (Claude Code, Cursor, Windsurf or VS Code).
Is DESIGN:OS 3D Blender free to use?
DESIGN:OS 3D Blender is published under the PolyForm Shield 1.0.0 (source-available) license, so the software itself is free to run. Hosted or API-backed servers may have their own usage tiers; check the project homepage.
Where is the source code for DESIGN:OS 3D Blender?
The source is at github.com/jangtrinh/design-os-3d-blender.