Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@Minimal MCP Hello Serverecho hello world"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
Minimal MCP SSE Server (Render)
GET /mcp: SSE stream (ready, ping, result)POST /invoke: tool invocation (echo)GET /health: status
Deploy on Render (Free). In ChatGPT MCP URL use /mcp.