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How to install String Utility Belt in Codex

To install String Utility Belt in Codex, run "codex mcp add string-utility-belt -- npx -y @string-utility-belt/mcp" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated 4 days ago

  1. 1

    Run the install command

    In a terminal, run:

    codex mcp add string-utility-belt -- npx -y @string-utility-belt/mcp
  2. 2

    Check it

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

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

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Questions

Does String Utility Belt work in Codex?

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

String Utility Belt 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 String Utility Belt safe?

It scores 89 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.