How to install openapi-mcp in Codex

To install openapi-mcp in Codex, run "codex mcp add openapi-mcp -- npx -y @keumbang/goldpopcon-openapi-mcp" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated 5 days ago

Run the install command

In a terminal, run:

codex mcp add openapi-mcp -- npx -y @keumbang/goldpopcon-openapi-mcp

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

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

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Questions

Does openapi-mcp work in Codex?

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

openapi-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 openapi-mcp safe?

It scores 31 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.