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mcp-gateway-go

@zhengkunwang223

Repository

About mcp-gateway-go

A Go gateway that converts stdio-based MCP servers to SSE endpoints using mcp-go.

Basic information

Category

Other

Runtime

go

Transports

stdio

Publisher

zhengkunwang223

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-gateway-go": {
      "type": "http",
      "url": "http://localhost:7979/sse"
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is mcp-gateway-go?

mcp-gateway-go is a lightweight Go-based gateway that transforms a standard input/output (stdio) Model Context Protocol (MCP) server into a Server-Sent Events (SSE) endpoint. This enables real-time communication with clients such as web browsers or AI agents over HTTP.

How to use mcp-gateway-go?

Install the binary with go install github.com/zhengkunwang223/mcp-gateway-go@latest, then run it from the command line using flags such as --port, --baseUrl, and --command to specify the target MCP server. Optional flags like --ssePath, --messagePath, and --oauth2Bearer allow further customisation.

Key features of mcp-gateway-go

  • Converts stdio MCP servers to SSE endpoints.
  • Configurable SSE and message paths.
  • Optional OAuth2 Bearer token authentication.
  • Lightweight, single Go binary.
  • Uses standard HTTP for real-time client communication.

Use cases of mcp-gateway-go

  • Expose a local MCP server to web applications via SSE.
  • Enable AI agents to communicate with MCP servers over HTTP.
  • Bridge stdio-based MCP tools to browser-based interfaces.
  • Add authentication to an MCP server without modifying it.

FAQ from mcp-gateway-go

What is the purpose of mcp-gateway-go?

It acts as a bridge, turning a stdio-only MCP server into an SSE endpoint so that HTTP clients (e.g., web browsers or AI agents) can communicate with it in real time.

How do I install mcp-gateway-go?

Install it via Go: go install github.com/zhengkunwang223/mcp-gateway-go@latest.

What command-line flags are supported?

Key flags: --port (default 7979), --baseUrl, --command, --ssePath (default "/sse"), --messagePath (default "/message"), and --oauth2Bearer for Bearer token authentication.

Does mcp-gateway-go support authentication?

Yes. The --oauth2Bearer flag adds an Authorization header with the provided Bearer token to outgoing messages.

What runtimes and dependencies are required?

mcp-gateway-go is distributed as a single Go binary; the only requirement is a system that can run the compiled executable. No external runtime or framework is needed.

Comments

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