Agent skill

gameobject-set-parent

Set parent GameObject to list of GameObjects in opened Prefab or in a Scene. Use 'gameobject-find' tool to find the target GameObjects first.

View SKILL.md on GitHub Repository
Stars 2,087
Forks 190

Install this agent skill to your Project

npx add-skill https://github.com/IvanMurzak/Unity-MCP/tree/main/Unity-MCP-Plugin/.claude/skills/gameobject-set-parent

SKILL.md

GameObject / Set Parent

How to Call

bash
unity-mcp-cli run-tool gameobject-set-parent --input '{
  "gameObjectRefs": "string_value",
  "parentGameObjectRef": "string_value",
  "worldPositionStays": false
}'

For complex input (multi-line strings, code), save the JSON to a file and use:

bash
unity-mcp-cli run-tool gameobject-set-parent --input-file args.json

Or pipe via stdin (recommended):

bash
unity-mcp-cli run-tool gameobject-set-parent --input-file - <<'EOF'
{"param": "value"}
EOF

Troubleshooting

If unity-mcp-cli is not found, either install it globally (npm install -g unity-mcp-cli) or use npx unity-mcp-cli instead. Read the /unity-initial-setup skill for detailed installation instructions.

Input

Name Type Required Description
gameObjectRefs any Yes List of references to the GameObjects to set new parent.
parentGameObjectRef any Yes Reference to the parent GameObject.
worldPositionStays boolean No A boolean flag indicating whether the GameObject's world position should remain unchanged when setting its parent.

Input JSON Schema

json
{
  "type": "object",
  "properties": {
    "gameObjectRefs": {
      "$ref": "#/$defs/com.IvanMurzak.Unity.MCP.Runtime.Data.GameObjectRefList"
    },
    "parentGameObjectRef": {
      "$ref": "#/$defs/com.IvanMurzak.Unity.MCP.Runtime.Data.GameObjectRef"
    },
    "worldPositionStays": {
      "type": "boolean"
    }
  },
  "$defs": {
    "com.IvanMurzak.Unity.MCP.Runtime.Data.GameObjectRef": {
      "type": "object",
      "properties": {
        "instanceID": {
          "type": "integer",
          "description": "instanceID of the UnityEngine.Object. If it is '0' and 'path', 'name', 'assetPath' and 'assetGuid' is not provided, empty or null, then it will be used as 'null'. Priority: 1 (Recommended)"
        },
        "path": {
          "type": "string",
          "description": "Path of a GameObject in the hierarchy Sample 'character/hand/finger/particle'. Priority: 2."
        },
        "name": {
          "type": "string",
          "description": "Name of a GameObject in hierarchy. Priority: 3."
        },
        "assetType": {
          "$ref": "#/$defs/System.Type",
          "description": "Type of the asset."
        },
        "assetPath": {
          "type": "string",
          "description": "Path to the asset within the project. Starts with 'Assets/'"
        },
        "assetGuid": {
          "type": "string",
          "description": "Unique identifier for the asset."
        }
      },
      "required": [
        "instanceID"
      ],
      "description": "Find GameObject in opened Prefab or in the active Scene."
    },
    "System.Type": {
      "type": "string"
    },
    "com.IvanMurzak.Unity.MCP.Runtime.Data.GameObjectRefList": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/com.IvanMurzak.Unity.MCP.Runtime.Data.GameObjectRef",
        "description": "Find GameObject in opened Prefab or in the active Scene."
      },
      "description": "Array of GameObjects in opened Prefab or in the active Scene."
    }
  },
  "required": [
    "gameObjectRefs",
    "parentGameObjectRef"
  ]
}

Output

Output JSON Schema

json
{
  "type": "object",
  "properties": {
    "result": {
      "type": "string"
    }
  },
  "required": [
    "result"
  ]
}

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