How to install esa in Codex
To install esa in Codex, run "codex mcp add esa -- npx -y @esaio/esa-mcp-server" 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 esa -- npx -y @esaio/esa-mcp-server - 2
Check it
Inside Codex, type /mcp to see the server and its tools.
MCP servers run with your permissions. If esa needs an API key, add it under env in the config. Check its README.
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Questions
Does esa work in Codex?
Yes. Codex supports mcp servers in the codex cli and ide extension, and esa installs with the steps above.
esa 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 esa safe?
It scores 84 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.
