# build123d-mcp

> build123d-mcp — pzfreo-build123d-mcp. Use this tool when you need to enhance AI cognition for creating 3D CAD models, as it improves the design process by leveraging the MCP server for build123d. This tool solves problems related to complex 3D modeling by providing a robust interface for AI agents to generate and refine models. It accepts CAD design inputs and outputs optimized 3D models, ideal for use cases requiring automated design generation and refinement.

Canonical page: https://skillsregistry.net/skills/pzfreo-build123d-mcp  
JSON: https://api.skillsregistry.net/v1/skills/pzfreo-build123d-mcp

## Description

MCP server for build123d to improve AI cognition when creating 3D CAD models

## Trust

- **Trust score (0–1):** 0.65
- **Verification tier:** scanned
- **Last scanned:** 2026-08-24

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **Category:** other
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/pzfreo/build123d-mcp)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "pzfreo-build123d-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/pzfreo-build123d-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/pzfreo-build123d-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt