GPT55 Model Gateway

Name: GPT55 Model Gateway
Author: 558686

558686

x402 GPT API with USDC on Base: OpenAI-compatible GPT-5.6 Luna Standard for $0.00293 per request, with browser wallet checkout and quote-first agent fallback.

Setup

Choose your client, copy the config, then fill in any required environment variables.

Add to Cursor Add to VS Code

claude mcp add --transport http gpt55-model-gateway https://gpt55.558686.xyz/mcp

~/.codex/config.toml

[mcp_servers.gpt55-model-gateway]
url = "https://gpt55.558686.xyz/mcp"

# codex mcp add gpt55-model-gateway --url https://gpt55.558686.xyz/mcp

~/.cursor/mcp.json

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

.vscode/mcp.json

{
  "servers": {
    "gpt55-model-gateway": {
      "type": "http",
      "url": "https://gpt55.558686.xyz/mcp"
    }
  }
}

~/.gemini/settings.json

{
  "mcpServers": {
    "gpt55-model-gateway": {
      "httpUrl": "https://gpt55.558686.xyz/mcp"
    }
  }
}

claude_desktop_config.json · Customize › Connectors › Add custom connector

{
  "mcpServers": {
    "gpt55-model-gateway": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://gpt55.558686.xyz/mcp"
      ]
    }
  }
}

.trae/mcp.json

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

Setup

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