Skip to content
mcp/harbor
Grok

horizOn for Grok

io.github.projectmakersde/horizon-mcp

Docs, live API tools and prompts for the horizOn game backend in Godot, Unity and Unreal.

client:Grok transport:stdio runtime:npm

Install horizOn in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "horizon-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "horizon-mcp"
      ],
      "env": {
        "HORIZON_API_KEY": "<HORIZON_API_KEY>",
        "HORIZON_ACCOUNT_API_KEY": "<HORIZON_ACCOUNT_API_KEY>",
        "HORIZON_BASE_URL": "<HORIZON_BASE_URL>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

horizOn in other clients

horizOn MCP server