How to install build123d MCP in Codex

To install build123d MCP in Codex, run "codex mcp add build123d-mcp -- uvx build123d-mcp" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated 7 days ago

Run the install command

In a terminal, run:

codex mcp add build123d-mcp -- uvx build123d-mcp

MCP servers run with your permissions. If build123d MCP needs an API key, add it under env in the config. Check its README.

Architecture diagrams, explanations and Mermaid source for public GitHub repositories.

Create draw.io diagrams in chat from Mermaid or XML, shown live and interactive. 10,000+ shapes.

Create, inspect, validate, and save editable 3D building scenes with Pascal's MCP server.

Does build123d MCP work in Codex?

Yes. Codex supports mcp servers in the codex cli and ide extension, and build123d MCP installs with the steps above.

build123d MCP does not show up in Codex. What now?

Restart Codex fully, check the JSON is valid, and make sure uv (for uvx) is installed. See common MCP errors and fixes.

Is build123d MCP safe?

It scores 79 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.