GPT55 Model Gateway MCP Server

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

Hosted connection

The registry lists a streamable-http connection at https://gpt55.558686.xyz/mcp.

The registry lists a sse connection at https://gpt55.558686.xyz/mcp/sse.

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository · Project website. This profile uses version 2026.8.5 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

Browse related other integrations MCP servers for tools that cover the same kind of work.