Skip to main content
ChatGPT can use your product through MCP or through a plugin that bundles skills and an MCP connection. Flow generates the portable Agent Plugins package; publishing remains a host workflow.

​
Connect and package

1

Make the server reachable

Deploy your MCP server or host it yourself behind public HTTPS. Configure OAuth for account-protected tools.
2

Test the MCP connection

Use ChatGPT’s Add custom MCP server flow with your /mcp URL. Try a tool request and, when required, sign in.Use the official connection guide for account and workspace requirements.
3

Generate the plugin

Terminal
Use plugins/agent-plugins/. It contains plugin.json, mcp.json and skills/.

​
Install or publish

Follow OpenAI’s packaging guide to add OpenAI-specific metadata and distribute the package through a supported development source or the public submission process. Generating a folder does not register or publish it. The bundled MCP URL ends in /mcp/plugin so ChatGPT receives the skills from the package once. Check it worked: start a new chat, invoke the installed plugin and verify a skill-backed tool call.
A standalone MCP connection and an installed plugin are separate ways to use the same server. You don’t need to package a plugin just to test your tools.