Screenshot / Isolated GameObject

Renders a screenshot of a target GameObject with configurable isolation, background, camera angle, and lighting. When isolated=true (default), only the target object is visible via layer-based culling and inactive children of the target are temporarily activated for the render (their OnEnable callbacks may fire — restored in finally, but side effects like audio/network/animation events are not undoable). When isolated=false, the existing scene state is rendered as-is without activating inactive objects. Supports custom multi-light setups via JSON. Returns a base64-encoded PNG.

Camera views

Front (-Z), Back (+Z), Left (-X), Right (+X), Top (+Y), Bottom (-Y). Composite produces a single 2x2 image (Front, Right, Back, Top) where each sub-view uses the requested resolution, so the final image is resolution*2 x resolution*2.

Background modes

• SolidColor — flat color from backgroundColor (hex string).
• Skybox — current scene skybox.
• Transparent — alpha-zero (ARGB32 PNG; useful for compositing).

Lights

lights is an optional JSON array of IsolatedLightConfig objects (type, color, intensity, rotation, position, range, spotAngle, innerSpotAngle, shadows, shadowStrength, bounceIntensity, colorTemperature, cookieSize, cullingMask, renderMode). When null, a default 1.0-intensity white directional light at rotation (50, -30, 0) is used. Empty array [] explicitly disables extra lights.

Side-effect caveat

Isolation temporarily activates inactive child GameObjects so their renderers participate in the cull. Activation state is restored in finally, but OnEnable-triggered side effects (audio, networking, animation events) are not rewindable. Set isolated=false if your scene contains scripts that must not fire OnEnable during the capture.

How to Call

unity-mcp-cli run-tool screenshot-isolated --input '{
  "gameObjectRef": "string_value",
  "includeChildren": "string_value",
  "isolated": "string_value",
  "backgroundMode": "string_value",
  "backgroundColor": "string_value",
  "cameraView": "string_value",
  "fieldOfView": "string_value",
  "nearClipPlane": "string_value",
  "farClipPlane": "string_value",
  "padding": "string_value",
  "lights": "string_value",
  "resolution": "string_value"
}'

For complex input (multi-line strings, code), save the JSON to a file and use: ``bash unity-mcp-cli run-tool screenshot-isolated --input-file args.json ``

>

Or pipe via stdin (recommended): ``bash unity-mcp-cli run-tool screenshot-isolated --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

Input JSON Schema

{
  "type": "object",
  "properties": {
    "gameObjectRef": {
      "$ref": "#/$defs/AIGD.GameObjectRef"
    },
    "includeChildren": {
      "$ref": "#/$defs/System.Boolean"
    },
    "isolated": {
      "$ref": "#/$defs/System.Boolean"
    },
    "backgroundMode": {
      "$ref": "#/$defs/com.IvanMurzak.Unity.MCP.Editor.API.Tool_Screenshot-BackgroundMode"
    },
    "backgroundColor": {
      "type": "string"
    },
    "cameraView": {
      "$ref": "#/$defs/com.IvanMurzak.Unity.MCP.Editor.API.Tool_Screenshot-CameraView"
    },
    "fieldOfView": {
      "$ref": "#/$defs/System.Single"
    },
    "nearClipPlane": {
      "$ref": "#/$defs/System.Single"
    },
    "farClipPlane": {
      "$ref": "#/$defs/System.Single"
    },
    "padding": {
      "$ref": "#/$defs/System.Single"
    },
    "lights": {
      "type": "string"
    },
    "resolution": {
      "$ref": "#/$defs/System.Int32"
    }
  },
  "$defs": {
    "System.Type": {
      "type": "string"
    },
    "AIGD.GameObjectRef": {
      "type": "object",
      "properties": {
        "instanceID": {
          "type": "integer",
          "description": "instanceID of the UnityEngine.Object. If it is '0' and 'path', 'name', 'assetPath' and 'assetGuid' is not provided, empty or null, then it will be used as 'null'. Priority: 1 (Recommended)"
        },
        "path": {
          "type": "string",
          "description": "Path of a GameObject in the hierarchy Sample 'character/hand/finger/particle'. Priority: 2."
        },
        "name": {
          "type": "string",
          "description": "Name of a GameObject in hierarchy. Priority: 3."
        },
        "assetType": {
          "$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."
    },
    "System.Boolean": {
      "type": "boolean"
    },
    "com.IvanMurzak.Unity.MCP.Editor.API.Tool_Screenshot-BackgroundMode": {
      "type": "string",
      "enum": [
        "SolidColor",
        "Skybox",
        "Transparent"
      ]
    },
    "com.IvanMurzak.Unity.MCP.Editor.API.Tool_Screenshot-CameraView": {
      "type": "string",
      "enum": [
        "Front",
        "Back",
        "Left",
        "Right",
        "Top",
        "Bottom",
        "Composite"
      ]
    },
    "System.Single": {
      "type": "number"
    },
    "System.Int32": {
      "type": "integer"
    }
  },
  "required": [
    "gameObjectRef"
  ]
}

Output

This tool does not return structured output.