Agent SkillsIvanMurzak/Unity-MCP › assets-prefab-instantiate

assets-prefab-instantiate

GitHub

在Unity场景中实例化预制体,支持指定位置、旋转、缩放及父节点路径。需先使用assets-find查找资源。

Unity-MCP-Plugin/.claude/skills/assets-prefab-instantiate/SKILL.md IvanMurzak/Unity-MCP

Trigger Scenarios

用户需要在当前场景中创建新的GameObject 根据预设路径生成场景对象并配置变换属性

Install

npx skills add IvanMurzak/Unity-MCP --skill assets-prefab-instantiate -g -y
More Options

Non-standard path

npx skills add https://github.com/IvanMurzak/Unity-MCP/tree/main/Unity-MCP-Plugin/.claude/skills/assets-prefab-instantiate -g -y

Use without installing

npx skills use IvanMurzak/Unity-MCP@assets-prefab-instantiate

指定 Agent (Claude Code)

npx skills add IvanMurzak/Unity-MCP --skill assets-prefab-instantiate -a claude-code -g -y

安装 repo 全部 skill

npx skills add IvanMurzak/Unity-MCP --all -g -y

预览 repo 内 skill

npx skills add IvanMurzak/Unity-MCP --list

SKILL.md

Frontmatter
{
    "name": "assets-prefab-instantiate",
    "description": "Instantiate a prefab into the currently active scene at an optional position\/rotation\/scale, parented under an optional scene GameObject path. Use 'assets-find' to locate the prefab asset first."
}

Assets / Prefab / Instantiate

Instantiates prefab in the current active scene. Use 'assets-find' tool to find prefab assets in the project.

Inputs

  • prefabAssetPath — project asset path of the prefab to instantiate.
  • gameObjectPath — destination path in the scene; the last segment becomes the new GameObject's name, any prefix is looked up as the parent (must already exist).
  • position / rotation / scale — optional transform; default to zero / zero / one.
  • isLocalSpace — when true, applies the transform in local space relative to the parent.

How to Call

unity-mcp-cli run-tool assets-prefab-instantiate --input '{
  "prefabAssetPath": "string_value",
  "gameObjectPath": "string_value",
  "position": "string_value",
  "rotation": "string_value",
  "scale": "string_value",
  "isLocalSpace": false
}'

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

unity-mcp-cli run-tool assets-prefab-instantiate --input-file args.json

Or pipe via stdin (recommended):

unity-mcp-cli run-tool assets-prefab-instantiate --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
prefabAssetPath string Yes Prefab asset path.
gameObjectPath string Yes GameObject path in the current active scene.
position any No Transform position of the GameObject.
rotation any No Transform rotation of the GameObject. Euler angles in degrees.
scale any No Transform scale of the GameObject.
isLocalSpace boolean No World or Local space of transform.

Input JSON Schema

{
  "type": "object",
  "properties": {
    "prefabAssetPath": {
      "type": "string"
    },
    "gameObjectPath": {
      "type": "string"
    },
    "position": {
      "$ref": "#/$defs/UnityEngine.Vector3"
    },
    "rotation": {
      "$ref": "#/$defs/UnityEngine.Vector3"
    },
    "scale": {
      "$ref": "#/$defs/UnityEngine.Vector3"
    },
    "isLocalSpace": {
      "type": "boolean"
    }
  },
  "$defs": {
    "UnityEngine.Vector3": {
      "type": "object",
      "properties": {
        "x": {
          "type": "number"
        },
        "y": {
          "type": "number"
        },
        "z": {
          "type": "number"
        }
      },
      "required": [
        "x",
        "y",
        "z"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "prefabAssetPath",
    "gameObjectPath"
  ]
}

Output

Output JSON Schema

{
  "type": "object",
  "properties": {
    "result": {
      "$ref": "#/$defs/AIGD.GameObjectRef",
      "description": "Find GameObject in opened Prefab or in the active Scene."
    }
  },
  "$defs": {
    "System.Type": {
      "type": "string"
    },
    "AIGD.GameObjectRef": {
      "type": "object",
      "properties": {
        "instanceID": {
          "type": "integer",
          "description": "instanceID of the UnityEngine.Object. If it is '0' and 'path', 'name', 'assetPath' and 'assetGuid' is not provided, empty or null, then it will be used as 'null'. Priority: 1 (Recommended)"
        },
        "path": {
          "type": "string",
          "description": "Path of a GameObject in the hierarchy Sample 'character/hand/finger/particle'. Priority: 2."
        },
        "name": {
          "type": "string",
          "description": "Name of a GameObject in hierarchy. Priority: 3."
        },
        "assetType": {
          "$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."
    }
  },
  "required": [
    "result"
  ]
}

Version History

  • 0.86.1 Current 2026-07-25 08:50

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Metadata

Files
0
Version
0.88.0
Hash
40a86ddb
Indexed
2026-07-25 08:50

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