How to install mockserver in Codex

To install mockserver in Codex, run "codex mcp add mockserver -- docker run -i --rm docker.io/mockserver/mockserver:9.0.0" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated yesterday

Run the install command

In a terminal, run:

codex mcp add mockserver -- docker run -i --rm docker.io/mockserver/mockserver:9.0.0

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

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

Install mockserver in another app

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Questions

Does mockserver work in Codex?

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

mockserver 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 mockserver safe?

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