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How to install Substack MCP CLI in Codex

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

Built from the published package · server updated 7 days ago

  1. 1

    Run the install command

    In a terminal, run:

    codex mcp add substack-mcp-cli -- npx -y @thenavidm/substack-mcp-cli
  2. 2

    Check it

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

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

Install Substack MCP CLI in another app

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Questions

Does Substack MCP CLI work in Codex?

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

Substack MCP CLI 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 CLI safe?

It scores 67 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.