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How to install Line Harness MCP Server in Codex

To install Line Harness MCP Server in Codex, run "codex mcp add line-harness-mcp-server -- npx -y @line-harness/mcp-server" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated 2 days ago

  1. 1

    Run the install command

    In a terminal, run:

    codex mcp add line-harness-mcp-server -- npx -y @line-harness/mcp-server
  2. 2

    Check it

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

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

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Questions

Does Line Harness MCP Server work in Codex?

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

Line Harness MCP Server 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 Line Harness MCP Server safe?

It scores 85 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.