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How to install deja-vu in Codex

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

Built from the published package · server updated yesterday

  1. 1

    Run the install command

    In a terminal, run:

    codex mcp add deja-vu -- npx -y @vshulcz/deja-vu
  2. 2

    Check it

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

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

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Questions

Does deja-vu work in Codex?

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

deja-vu 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 deja-vu safe?

It scores 88 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.