GPT55 Model Gateway

MCP server · by xyz

Web APIs Streamable HTTPSSE v2026.8.5

Remote MCP gateway for GPT-5.6 Luna, Soul, Terra, and x402-paid agent tools with no API key.

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Install

Run one of the commands below, then add the client config underneath.

Streamable HTTPhttps://gpt55.558686.xyz/mcp
SSEhttps://gpt55.558686.xyz/mcp/sse

Client configuration

Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.

mcpServers{
  "mcpServers": {
    "token-gateway": {
      "url": "https://gpt55.558686.xyz/mcp"
    }
  }
}

About this server

GPT55 Model Gateway is listed in the Web APIs category of the MCPNav directory. It is distributed as Streamable HTTP, SSE and can be loaded by any client that speaks the Model Context Protocol.

Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.

Frequently asked questions

What is the GPT55 Model Gateway MCP server?

GPT55 Model Gateway is an MCP server by xyz. Remote MCP gateway for GPT-5.6 Luna, Soul, Terra, and x402-paid agent tools with no API key.

How do I install GPT55 Model Gateway?

Install it with: https://gpt55.558686.xyz/mcp. Then add the JSON config to your client's MCP settings and restart the client.

Is GPT55 Model Gateway free to use?

The MCP server itself is free to install. The source is public on https://github.com/wangletiand/gpt55-x402-gateway. Any third-party API it calls (such as a search or maps API) may require its own key and billing.

Which clients support GPT55 Model Gateway?

Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.