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How to install Zen Devtools MCP in Codex

To install Zen Devtools MCP in Codex, run "codex mcp add zen-devtools-mcp -- npx -y zen-devtools-mcp" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated 3 months ago

  1. 1

    Run the install command

    In a terminal, run:

    codex mcp add zen-devtools-mcp -- npx -y zen-devtools-mcp
  2. 2

    Check it

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

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

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Questions

Does Zen Devtools MCP work in Codex?

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

Zen Devtools 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 Zen Devtools MCP safe?

It scores 43 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.