01 · ABOUT

What supergateway does

Runs MCP stdio servers over SSE, WebSockets or Streamable HTTP with one npx command

Why teams reach for it: Exposes stdio-only MCP servers over SSE or WebSockets for remote access, debugging, and compatibility with clients that do not support stdio.

Worth knowing

It speaks stdio, SSE, Streamable HTTP to clients, can host stdio servers remotely.

Self-hostedOpen SourceTypeScriptMCP Server & Client
02 · TECHNICAL SPECIFICATIONS

How supergateway compares

Fields the vendor doesn't document are left blank here rather than guessed — a blank means nothing verified, not a "no."

Transports Client Facing
stdio, SSE, Streamable HTTP
Transports Server Facing
stdio, SSE, Streamable HTTP
Server Aggregation
No
Hosts Stdio Servers Remotely
Yes
Terminates Auth
No
Rbac
No
Tool Filtering
No
Agent Identity
No
Policy Enforcement
None
Audit Logging
No
Telemetry Output
None
Also Proxies
MCP only
Deploy Targets
Docker
Self Hostable
Yes
03 · NEW TO MCP?
How will you route, mediate, and control traffic?

A gateway or proxy sits between clients and MCP servers to route traffic or add a control layer, without changing the servers themselves.