Install the SNG plugin in ChatGPT
Download the ready package, upload it to ChatGPT, and connect your account with OAuth
The official SNG package contains the plugin definition, MCP server, and safe-use instructions. It includes no API token or private account data, and you only upload it once.
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 the OpenAI package for Codex and ChatGPT.
- 2Schritt 2
Download the SNG plugin
Press download. Your browser creates sng-hosting-codex-plugin.zip, ready for ChatGPT and Codex and configured for the official MCP endpoint without an embedded secret.
- 3Schritt 3
Upload the package to ChatGPT
Open Plugins in ChatGPT, press add, and drag the ZIP into the upload dialog or select it from disk. Wait for SNG Hosting to appear. Do not extract the archive.
HinweisChatGPT accepts .zip, .tgz, and .tar.gz; SNG provides a ready ZIP.
- 4Schritt 4
Enable and sign in
Enable SNG Hosting. When ChatGPT requests a connection, sign in to SNG in your browser, review the 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 requesting an action.
HinweisStart a new conversation after a plugin or scope update so ChatGPT reloads the tools.
What is installed?
- The SNG plugin identity and description shown in ChatGPT.
- A Streamable HTTP connection to the official SNG MCP server.
- A skill that instructs ChatGPT 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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