HorizOn vs Unity MCP
A side-by-side look at the HorizOn and Unity MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose HorizOn for gaming work as a local process; choose Unity MCP for gaming as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose HorizOn when
- You need dedicated capabilities in the Gaming domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
HORIZON_API_KEY, HORIZON_BASE_URL.
Choose Unity MCP when
- You need dedicated capabilities in the Gaming domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: OAuth 2.0.
Feature & specification comparison
Rows where the two servers differ are marked.
Tools & capabilities
HorizOn tools
No tool names declared yet. Check the project README from the listing page.
Unity MCP tools
No tool names declared yet. Check the project README from the listing page.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
HorizOn
{
"mcpServers": {
"horizon": {
"command": "npx",
"args": [
"-y",
"horizon-mcp"
],
"env": {
"HORIZON_API_KEY": "YOUR_HORIZON_API_KEY_HERE",
"HORIZON_BASE_URL": "YOUR_HORIZON_BASE_URL_HERE"
}
}
}
}
Unity MCP
{
"mcpServers": {
"ivanmurzak-unity-mcp": {
"command": "npx",
"args": [
"-y",
"unity-mcp-cli"
]
}
}
}
Frequently asked questions
HorizOn is categorized under Gaming and uses a local stdio subprocess. Unity MCP belongs to Gaming and uses a local stdio subprocess. Pick HorizOn for gaming work and Unity MCP for gaming.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
HorizOn has no declared pricing — check the project's own site. Unity MCP is listed as free. Auth: oauth 2.0. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add horizon and ivanmurzak-unity-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, HorizOn has a quality signal of 36/100 (Fair) with 0 views, 0 installs and 0 GitHub stars. Unity MCP has 56/100 (Good) with 4 views, 0 installs and 4,418 GitHub stars.
