SERVER

horizOn

Rank #14,587

io.github.ProjectMakersDE/horizon-mcp

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

2 versions

by ProjectMakersDE (1 servers)View repository ↗Claim this server

First listed

Sep 23, 2026

Last publish date

Sep 28, 2026

OVERVIEW

horizOn is a Model Context Protocol (MCP) server published by ProjectMakersDE. It ranks #14,587 of 137,492 servers tracked on MCP Toplist. horizOn is listed across 2 registries — Official MCP and Glama, with 2 tracked versions. It was first listed on Sep 23, 2026 and most recently updated on Sep 28, 2026.

STANDING

#14,587of 137,492 tracked serversTop 25%

Ranks ahead of 122,905 of 137,492 servers on MCP Toplist.

CONNECT

Use horizOn

No setupRuns out of the box

No credentials or required configuration declared — add it to your MCP client and go.

npm package

claude mcp add horizon-mcp -e "HORIZON_API_KEY=<your HORIZON_API_KEY>" -e "HORIZON_ACCOUNT_API_KEY=<your HORIZON_ACCOUNT_API_KEY>" -e "HORIZON_BASE_URL=<your HORIZON_BASE_URL>" -- npx -y horizon-mcp

Replace each placeholder with your own value before saving.

npm package

[mcp_servers.horizon-mcp]
command = "npx"
args = ["-y", "horizon-mcp"]

[mcp_servers.horizon-mcp.env]
HORIZON_API_KEY = "<your HORIZON_API_KEY>"
HORIZON_ACCOUNT_API_KEY = "<your HORIZON_ACCOUNT_API_KEY>"
HORIZON_BASE_URL = "<your HORIZON_BASE_URL>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

npm package

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

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

npm package

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

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

npm package

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

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

npm package

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

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

npm package

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

Replace each placeholder with your own value before saving.

BADGE

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Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.ProjectMakersDE%2Fhorizon-mcp.svg)](https://mcptoplist.com/server/io.github.ProjectMakersDE%2Fhorizon-mcp)

HTML

<a href="https://mcptoplist.com/server/io.github.ProjectMakersDE%2Fhorizon-mcp"><img src="https://mcptoplist.com/badge/io.github.ProjectMakersDE%2Fhorizon-mcp.svg" alt="MCP Toplist: Top 25% of 137,492" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

REGISTRIES

Listed on 2 registries

Official MCP

Glama

ORGANIZATION

ProjectMakersDE

Organization

ProjectMakersDE

Servers in org

Versions across org

VERSIONS

Available versions (2)

Version	Published
1.5.5	Sep 28, 2026
1.5.4	Sep 28, 2026

FAQ

Frequently asked questions

Who maintains horizOn?: horizOn is maintained by ProjectMakersDE, which publishes 1 MCP server (2 total versions) tracked on MCP Toplist.
Is horizOn listed on the Official MCP Registry?: Yes — horizOn is listed on the Official MCP Registry, alongside Glama.
How many versions does horizOn have?: MCP Toplist tracks 2 versions of horizOn, most recently published on Sep 28, 2026.
Where can I find the source code for horizOn?: The source code for horizOn is hosted at github.com/ProjectMakersDE/horizOn-mcp.

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