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How to install Substack MCP Plus in Codex

To install Substack MCP Plus in Codex, run "codex mcp add substack-mcp-plus -- npx -y substack-mcp-plus" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated 5 months ago

  1. 1

    Run the install command

    In a terminal, run:

    codex mcp add substack-mcp-plus -- npx -y substack-mcp-plus
  2. 2

    Check it

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

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

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Questions

Does Substack MCP Plus work in Codex?

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

Substack MCP Plus 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 Substack MCP Plus safe?

It scores 59 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.