How to install Pattern MCP in Codex
To install Pattern MCP in Codex, run "codex mcp add pattern-mcp -- npx -y pattern-mcp" in your terminal, then type /mcp in Codex to check it.
Built from the published package · server updated yesterday
- 1
Run the install command
In a terminal, run:
codex mcp add pattern-mcp -- npx -y pattern-mcp - 2
Check it
Inside Codex, type /mcp to see the server and its tools.
MCP servers run with your permissions. If Pattern MCP needs an API key, add it under env in the config. Check its README.
Install Pattern MCP in another app
Similar servers
Create draw.io diagrams in chat from Mermaid or XML, shown live and interactive. 10,000+ shapes.
Architecture diagrams, explanations and Mermaid source for public GitHub repositories.
Make 3D games in Unity Engine with AI. MCP Server + Plugin for Unity Editor and Unity games.
Questions
Does Pattern MCP work in Codex?
Yes. Codex supports mcp servers in the codex cli and ide extension, and Pattern MCP installs with the steps above.
Pattern MCP does not show up in Codex. What now?
Restart Codex fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.
Is Pattern MCP safe?
It scores 80 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.
