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GPT MCP Proxy

@wricardo

Repository

Basic information

Category

Other

Transports

stdio

Author

wricardo

About GPT MCP Proxy

HTTP server that provides access to executing Multiple Command Protocol (MCP) tools.

GPT MCP Proxy config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

GPT MCP Proxy tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

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

Overview

What is GPT MCP Proxy?

GPT MCP Proxy is a REST API server that provides HTTP access to Multiple Command Protocol (MCP) tools. It acts as a bridge between HTTP clients and MCP‑compliant tool servers, allowing tools to be discovered and executed via REST endpoints. It is designed for integrating MCP tools with custom GPT actions.

How to use GPT MCP Proxy?

Set the environment variables NGROK_AUTH_TOKEN, NGROK_DOMAIN, and optionally MCP_CONFIG_FILE (defaults to mcp_settings.json). Create an mcp_settings.json file with your MCP server configurations. Run the server with go run main.go.

Key features of GPT MCP Proxy

  • List available MCP servers and their tools.
  • Get detailed information about specific tools.
  • Execute tools with custom parameters.
  • OpenAPI 3.1.0 specification.
  • Automatic public HTTPS exposure via ngrok.

Use cases of GPT MCP Proxy

  • Integrate MCP tools with custom GPT actions.
  • Expose MCP‑compliant tool servers through a REST API.
  • Enable HTTP clients to discover and invoke MCP tools.
  • Provide a public, secure endpoint for MCP tools via ngrok.

Frequently asked questions

1

What are the prerequisites for running GPT MCP Proxy?

Go 1.20 or later, an ngrok account with an authtoken, and MCP‑compliant tools.

2

What environment variables are required?

`NGROK_AUTH_TOKEN` and `NGROK_DOMAIN` are required. `MCP_CONFIG_FILE` is optional and defaults to `mcp_settings.json`.

3

How do I configure the MCP servers?

Create an `mcp_settings.json` file with an `mcpServers` object. Each server entry includes a `command` and `args` array.

4

How is the server exposed publicly?

The server automatically uses ngrok to provide public HTTPS access.

5

What API endpoints are available?

`GET /openapi.json`, `GET /mcp/servers`, `GET /mcp/{serverName}`, `GET /mcp/{serverName}/tools/{toolName}`, and `POST /mcp/{serverName}/tools/{toolName}/execute`.

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