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How to install Better Auth MCP in Codex

To install Better Auth MCP in Codex, run "codex mcp add better-auth-mcp -- npx -y @better-auth/mcp" in your terminal, then type /mcp in Codex to check it.

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  1. 1

    Run the install command

    In a terminal, run:

    codex mcp add better-auth-mcp -- npx -y @better-auth/mcp
  2. 2

    Check it

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

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

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Questions

Does Better Auth MCP work in Codex?

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

Better Auth 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 Better Auth MCP safe?

It scores 91 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.