Install the SNG plugin in Codex
Download the ready package, upload it to Codex, and connect your account with OAuth
The official Codex package includes the SNG plugin definition, MCP server, and safe-use instructions. It contains no API token or private account data.
Download the file only from your SNG account and upload the ZIP unchanged. Do not extract or modify it.
- 1Schritt 1
Open API & MCP settings
Sign in to SNG, open Settings → API & MCP, and select Codex from the client list.
- 2Schritt 2
Download the Codex plugin
Press the download button next to Codex. Your browser creates sng-hosting-codex-plugin.zip configured for the official MCP endpoint with no embedded secret.
- 3Schritt 3
Upload the package to Codex
Open Plugins in Codex, press add, and drag the ZIP into the upload dialog or choose it from disk. Wait for SNG Hosting to appear. Do not upload an extracted folder.
HinweisCodex accepts .zip, .tgz, and .tar.gz; SNG provides a ready ZIP.
- 4Schritt 4
Enable and sign in
Enable SNG Hosting. When Codex requests a connection, sign in to SNG in your browser, review scopes, and approve OAuth.
- 5Schritt 5
Test the plugin
Start a new conversation and ask: “Use SNG Hosting and only list my services.” Confirm the account and resources before any action.
HinweisStart a new conversation after a plugin or scope update so Codex reloads the tools.
What is installed?
- The plugin identity and description shown in Codex.
- A Streamable HTTP connection to the official SNG MCP server.
- A skill that instructs Codex to read first and confirm changes.
- No passwords, API tokens, or customer data in the package.
Choose the guide for your client
Each client has its own steps, so you only read the setup that applies to you.
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