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How to install Jacobian in Codex

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

Built from the published package · server updated 2 days ago

  1. 1

    Run the install command

    In a terminal, run:

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

    Check it

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

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

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Questions

Does Jacobian work in Codex?

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

Jacobian 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 Jacobian safe?

It scores 83 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.