How to install Gemini Rag MCP in Codex

To install Gemini Rag MCP in Codex, run "codex mcp add gemini-rag-mcp -- npx -y @r_masseater/gemini-rag-mcp" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated 12 days ago

Run the install command

In a terminal, run:

codex mcp add gemini-rag-mcp -- npx -y @r_masseater/gemini-rag-mcp

2
Check it
Inside Codex, type /mcp to see the server and its tools.

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

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Questions

Does Gemini Rag MCP work in Codex?

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

Gemini Rag MCP 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 Gemini Rag MCP safe?

It scores 57 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.