Hera Agent Unity MCP

Hera Agent Unity is a low-token CLI tool that allows AI coding agents to control a live Unity Editor. It enables agents to inspect the editor, change settings, run tests, and verify results by closing the feedback loop between code generation and Unity's runtime behavior.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by NotNull92

Vendor documentation

What you can do with it

Inspect live Unity Editor state and console errors
Launch, restart, or play Unity editor sessions
Run PlayMode tests and verify results
Automate UI interactions and scene management

Source and maintenance

Community listingRegistry 0.2.17

mcp-registry: io.github.NotNull92/hera-agent-unity@0.2.17 Source repository Project website

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

hera-agent-unity 0.2.17

npm

hera-agent-unity package definition

{
  "version": "0.2.17",
  "transport": "stdio",
  "identifier": "hera-agent-unity",
  "registryType": "npm",
  "packageArguments": [
    {
      "type": "positional",
      "value": "mcp"
    },
    {
      "type": "positional",
      "value": "--transport"
    },
    {
      "type": "positional",
      "value": "stdio"
    }
  ],
  "environmentVariables": [
    {
      "name": "HERA_MCP_ENABLED",
      "value": "1"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "hera-agent-unity-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "hera-agent-unity@0.2.17",
        "mcp",
        "--transport",
        "stdio"
      ],
      "env": {
        "HERA_MCP_ENABLED": "<YOUR_HERA_MCP_ENABLED>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "hera-agent-unity-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "hera-agent-unity@0.2.17",
        "mcp",
        "--transport",
        "stdio"
      ],
      "env": {
        "HERA_MCP_ENABLED": "<YOUR_HERA_MCP_ENABLED>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "hera-agent-unity-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "hera-agent-unity@0.2.17",
        "mcp",
        "--transport",
        "stdio"
      ],
      "env": {
        "HERA_MCP_ENABLED": "<YOUR_HERA_MCP_ENABLED>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "hera-agent-unity-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "hera-agent-unity@0.2.17",
        "mcp",
        "--transport",
        "stdio"
      ],
      "env": {
        "HERA_MCP_ENABLED": "<YOUR_HERA_MCP_ENABLED>"
      }
    }
  }
}

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