How to install Claude Code Ultimate Guide in Codex

To install Claude Code Ultimate Guide in Codex, run "codex mcp add claude-code-ultimate-guide -- npx -y claude-code-ultimate-guide-mcp" in your terminal, then type /mcp in Codex to check it.

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Run the install command

In a terminal, run:

codex mcp add claude-code-ultimate-guide -- npx -y claude-code-ultimate-guide-mcp

2
Check it
Inside Codex, type /mcp to see the server and its tools.

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

Install Claude Code Ultimate Guide in another app

Claude Code Claude Desktop Cursor VS Code Windsurf Gemini CLI Antigravity CLI ChatGPT

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Questions

Does Claude Code Ultimate Guide work in Codex?

Yes. Codex supports mcp servers in the codex cli and ide extension, and Claude Code Ultimate Guide installs with the steps above.

Claude Code Ultimate Guide 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 Claude Code Ultimate Guide safe?

It scores 92 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.