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How to install Hypermail MCP in Codex

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

Built from the published package · server updated 3 days ago

  1. 1

    Run the install command

    In a terminal, run:

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

    Check it

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

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

Install Hypermail MCP in another app

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Questions

Does Hypermail MCP work in Codex?

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

Hypermail 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 Hypermail MCP safe?

It scores 79 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.