How to install Sider MCP Handler in Codex

To install Sider MCP Handler in Codex, run "codex mcp add sider-mcp-handler -- npx -y sider-mcp-handler" in your terminal, then type /mcp in Codex to check it.

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Run the install command

In a terminal, run:

codex mcp add sider-mcp-handler -- npx -y sider-mcp-handler

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

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

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Questions

Does Sider MCP Handler work in Codex?

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

Sider MCP Handler 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 Sider MCP Handler safe?

It scores 77 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.