How to install MCP Excalidraw in Codex
To install MCP Excalidraw in Codex, run "codex mcp add mcp-excalidraw -- npx -y mcp-excalidraw" in your terminal, then type /mcp in Codex to check it.
Built from the published package · server updated 16 months ago
- 1
Run the install command
In a terminal, run:
codex mcp add mcp-excalidraw -- npx -y mcp-excalidraw - 2
Check it
Inside Codex, type /mcp to see the server and its tools.
MCP servers run with your permissions. If MCP Excalidraw needs an API key, add it under env in the config. Check its README.
Install MCP Excalidraw in another app
Similar servers
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.
Structured visual plans and PR recaps with diagrams, prototypes, annotations, and sharing
Questions
Does MCP Excalidraw work in Codex?
Yes. Codex supports mcp servers in the codex cli and ide extension, and MCP Excalidraw installs with the steps above.
MCP Excalidraw 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 MCP Excalidraw safe?
It scores 38 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.
