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How to install kastell in Codex

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

Built from the published package · server updated 16 days ago

  1. 1

    Run the install command

    In a terminal, run:

    codex mcp add kastell -- npx -y kastell
  2. 2

    Check it

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

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

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Questions

Does kastell work in Codex?

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

kastell 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 kastell safe?

It scores 76 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.