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Add my server

Install Vault in Codex

What you need first

  • Codex, installed.
  • Node.js, which gives the npx command the server starts with.
  • Your own values for YOUR_VAULT_REGION,YOUR_VAULT_CLIENT_ID,YOUR_VAULT_CLIENT_SECRET,YOUR_VAULT_MASTER_PASSWORD.

Steps

  1. Run this in a terminal. It writes the server into ~/.codex/config.toml, which the Codex CLI, its IDE extension and the ChatGPT desktop app share.
codex mcp add mcp-server-vault --env VAULT_REGION=YOUR_VAULT_REGION --env VAULT_CLIENT_ID=YOUR_VAULT_CLIENT_ID --env VAULT_CLIENT_SECRET=YOUR_VAULT_CLIENT_SECRET --env VAULT_MASTER_PASSWORD=YOUR_VAULT_MASTER_PASSWORD -- npx -y @aiwerk/[email protected]
  1. Replace YOUR_VAULT_REGION,YOUR_VAULT_CLIENT_ID,YOUR_VAULT_CLIENT_SECRET,YOUR_VAULT_MASTER_PASSWORD with your own values.
  2. Start Codex again and type /mcp: the server is listed.

Check it worked

Ask Codex: List the tools of mcp-server-vault.

If it does not start

spawn npx ENOENT
Node.js is not on the PATH that Codex sees. Install it, or write the full path of npx in the config.
The server starts, but its tools fail
A YOUR_… placeholder is still in the config, or its value is wrong.

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