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How to install Yaml in Codex

To install Yaml in Codex, run "codex mcp add yaml -- npx -y @mcpfusion/yaml" in your terminal, then type /mcp in Codex to check it.

Built from the published package · server updated 1 month ago

  1. 1

    Run the install command

    In a terminal, run:

    codex mcp add yaml -- npx -y @mcpfusion/yaml
  2. 2

    Check it

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

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

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Questions

Does Yaml work in Codex?

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

Yaml 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 Yaml safe?

It scores 82 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.