supergateway

About

Supergateway runs MCP stdio-based servers over SSE (Server-Sent Events) or WebSockets (WS) with one command. This is useful for remote access, debugging, or connecting to clients when your MCP server only supports stdio.

Supported by Supermachine (hosted MCPs), Superinterface, and Supercorp.

Expose an MCP stdio server as an SSE server:

Connect to a remote SSE server and expose locally via stdio:

Useful for integrating remote SSE MCP servers into local command-line environments.

You can also pass headers when sending requests. This is useful for authentication:

Connect to a remote Streamable HTTP server and expose locally via stdio:

This mode is useful for connecting to MCP servers…