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How to install Hmharness CLI in Codex

To install Hmharness CLI in Codex, run "codex mcp add hmharness-cli -- npx -y @hmharness/cli" 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 hmharness-cli -- npx -y @hmharness/cli
  2. 2

    Check it

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

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

Install Hmharness CLI in another app

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Questions

Does Hmharness CLI work in Codex?

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

Hmharness CLI 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 Hmharness CLI safe?

It scores 78 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.