Agent SkillsIvanMurzak/Unity-MCP › gameobject-modify

gameobject-modify

GitHub

用于在Unity中批量修改Prefab或场景中GameObject的字段和属性,支持三种补丁方式。

Unity-MCP-Plugin/.claude/skills/gameobject-modify/SKILL.md IvanMurzak/Unity-MCP

Trigger Scenarios

需要修改Unity GameObject属性 批量更新场景对象状态

Install

npx skills add IvanMurzak/Unity-MCP --skill gameobject-modify -g -y
More Options

Non-standard path

npx skills add https://github.com/IvanMurzak/Unity-MCP/tree/main/Unity-MCP-Plugin/.claude/skills/gameobject-modify -g -y

Use without installing

npx skills use IvanMurzak/Unity-MCP@gameobject-modify

指定 Agent (Claude Code)

npx skills add IvanMurzak/Unity-MCP --skill gameobject-modify -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": "gameobject-modify",
    "description": "Modify GameObject fields and properties in opened Prefab or in a Scene. You can modify multiple GameObjects at once. Just provide the same number of GameObject references and SerializedMember objects. Three modification surfaces are available per GameObject (gameObjectDiffs, pathPatchesPerGameObject, jsonPatchesPerGameObject) — see the skill body for details."
}

GameObject / Modify

Three modification surfaces

Per GameObject — parallel arrays must have the same length as gameObjectRefs:

  1. gameObjectDiffs — full SerializedMember diff per GameObject (legacy, backwards compatible).
  2. pathPatchesPerGameObject — list of {path, value} patches per GameObject routed through Reflector.TryModifyAt; atomic per-path modification.
  3. jsonPatchesPerGameObject — JSON Merge Patch per GameObject routed through Reflector.TryPatch.

When more than one is supplied for the same GameObject they run in this order: jsonPatchpathPatchesdiff. At least one of the three is required.

Path syntax

fieldName, nested/field, arrayField/[i], dictField/[key].

How to Call

unity-mcp-cli run-tool gameobject-modify --input '{
  "gameObjectRefs": "string_value",
  "gameObjectDiffs": "string_value",
  "pathPatchesPerGameObject": "string_value",
  "jsonPatchesPerGameObject": "string_value"
}'

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

unity-mcp-cli run-tool gameobject-modify --input-file args.json

Or pipe via stdin (recommended):

unity-mcp-cli run-tool gameobject-modify --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 Array of GameObjects in opened Prefab or in the active Scene.
gameObjectDiffs any No Optional. Each item in the array represents a GameObject modification of the 'gameObjectRefs' at the same index. Usually a GameObject is a container for components. Each component may have fields and properties for modification. If you need to modify components of a GameObject, please use 'gameobject-component-modify' tool. Ignore values that should not be modified. Any unknown or wrong located fields and properties will be ignored. Check the result of this command to see what was changed. The ignored fields and properties will be listed.
pathPatchesPerGameObject any No Optional. Per-GameObject list of path-scoped patches routed through Reflector.TryModifyAt. Outer index aligns with 'gameObjectRefs'; inner list contains {path, value} entries. Pass null or omit for GameObjects that should not receive path patches.
jsonPatchesPerGameObject any No Optional. Per-GameObject JSON Merge Patch (RFC 7396, extended with [i]/[key] keys) routed through Reflector.TryPatch. Outer index aligns with 'gameObjectRefs'. Pass null or omit for GameObjects that should not receive a JSON patch.

Input JSON Schema

{
  "type": "object",
  "properties": {
    "gameObjectRefs": {
      "$ref": "#/$defs/AIGD.GameObjectRefList"
    },
    "gameObjectDiffs": {
      "$ref": "#/$defs/com.IvanMurzak.ReflectorNet.Model.SerializedMemberList"
    },
    "pathPatchesPerGameObject": {
      "$ref": "#/$defs/System.Collections.Generic.List(System.Collections.Generic.List(AIGD.PathPatch))"
    },
    "jsonPatchesPerGameObject": {
      "$ref": "#/$defs/System.Collections.Generic.List(System.String)"
    }
  },
  "$defs": {
    "AIGD.GameObjectRef": {
      "type": "object",
      "properties": {
        "instanceID": {
          "type": "integer",
          "description": "instanceID of the UnityEngine.Object. If it is '0' and 'path', 'name', 'assetPath' and 'assetGuid' is not provided, empty or null, then it will be used as 'null'. Priority: 1 (Recommended)"
        },
        "path": {
          "type": "string",
          "description": "Path of a GameObject in the hierarchy Sample 'character/hand/finger/particle'. Priority: 2."
        },
        "name": {
          "type": "string",
          "description": "Name of a GameObject in hierarchy. Priority: 3."
        },
        "assetType": {
          "$ref": "#/$defs/System.Type",
          "description": "Type of the asset."
        },
        "assetPath": {
          "type": "string",
          "description": "Path to the asset within the project. Starts with 'Assets/'"
        },
        "assetGuid": {
          "type": "string",
          "description": "Unique identifier for the asset."
        }
      },
      "required": [
        "instanceID"
      ],
      "description": "Find GameObject in opened Prefab or in the active Scene."
    },
    "System.Type": {
      "type": "string"
    },
    "AIGD.GameObjectRefList": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/AIGD.GameObjectRef",
        "description": "Find GameObject in opened Prefab or in the active Scene."
      },
      "description": "Array of GameObjects in opened Prefab or in the active Scene."
    },
    "com.IvanMurzak.ReflectorNet.Model.SerializedMemberList": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/com.IvanMurzak.ReflectorNet.Model.SerializedMember"
      }
    },
    "com.IvanMurzak.ReflectorNet.Model.SerializedMember": {
      "type": "object",
      "properties": {
        "typeName": {
          "type": "string",
          "description": "Full type name. Eg: 'System.String', 'System.Int32', 'UnityEngine.Vector3', etc."
        },
        "name": {
          "type": "string",
          "description": "Object name."
        },
        "value": {
          "description": "Value of the object, serialized as a non stringified JSON element. Can be null if the value is not set. Can be default value if the value is an empty object or array json."
        },
        "fields": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/com.IvanMurzak.ReflectorNet.Model.SerializedMember",
            "description": "Nested field value."
          },
          "description": "Fields of the object, serialized as a list of 'SerializedMember'."
        },
        "props": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/com.IvanMurzak.ReflectorNet.Model.SerializedMember",
            "description": "Nested property value."
          },
          "description": "Properties of the object, serialized as a list of 'SerializedMember'."
        }
      },
      "required": [
        "typeName"
      ],
      "additionalProperties": false
    },
    "System.Collections.Generic.List(AIGD.PathPatch)": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/AIGD.PathPatch"
      }
    },
    "AIGD.PathPatch": {
      "type": "object",
      "properties": {
        "Path": {
          "type": "string",
          "description": "Slash-delimited path to the target field/element/entry. Plain segment navigates a field or property (e.g. 'admin' or 'admin/name'). Use '[i]' for array/list index (e.g. 'planets/[0]/orbitRadius'). Use '[key]' for dictionary entry (e.g. 'config/[timeout]'). A leading '#/' is stripped automatically. Required."
        },
        "Value": {
          "$ref": "#/$defs/com.IvanMurzak.ReflectorNet.Model.SerializedMember",
          "description": "The new value to write at the path. Use the standard SerializedMember envelope: 'typeName' + 'value' for primitives, or nested 'fields'/'props' for complex types. Required — omitting it overwrites the target with a default empty SerializedMember."
        }
      }
    },
    "System.Collections.Generic.List(System.Collections.Generic.List(AIGD.PathPatch))": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/System.Collections.Generic.List(AIGD.PathPatch)"
      }
    },
    "System.Collections.Generic.List(System.String)": {
      "type": "array",
      "items": {
        "type": "string"
      }
    }
  },
  "required": [
    "gameObjectRefs"
  ]
}

Output

Output JSON Schema

{
  "type": "object",
  "properties": {
    "result": {
      "$ref": "#/$defs/com.IvanMurzak.ReflectorNet.Model.Logs"
    }
  },
  "$defs": {
    "com.IvanMurzak.ReflectorNet.Model.LogEntry": {
      "type": "object",
      "properties": {
        "Depth": {
          "type": "integer"
        },
        "Message": {
          "type": "string"
        },
        "Type": {
          "type": "string",
          "enum": [
            "Trace",
            "Debug",
            "Info",
            "Success",
            "Warning",
            "Error",
            "Critical"
          ]
        }
      },
      "required": [
        "Depth",
        "Type"
      ]
    },
    "com.IvanMurzak.ReflectorNet.Model.Logs": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/com.IvanMurzak.ReflectorNet.Model.LogEntry"
      }
    }
  },
  "required": [
    "result"
  ]
}

Version History

  • 0.86.1 Current 2026-07-25 08:51

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Metadata

Files
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Version
0.88.0
Hash
784dc09e
Indexed
2026-07-25 08:51

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