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---
name: assets-copy
description: Copy assets at given paths and store them at new paths. Refreshes the AssetDatabase at the end. Use 'assets-find' to locate the source assets first.
---
# Assets / Copy
Copy assets at given paths and store them at new paths. Does AssetDatabase.Refresh() at the end. Use 'assets-find' tool to find assets before copying.
## Inputs
- `sourcePaths` — paths of the assets to copy.
- `destinationPaths` — paths to store the copied assets (must match `sourcePaths` length).
## Behavior
Each source/destination pair is copied in order. Per-pair errors are accumulated in the response instead of throwing, so a single bad pair does not abort the whole batch.
## How to Call
```bash
unity-mcp-cli run-tool assets-copy --input '{
"sourcePaths": "string_value",
"destinationPaths": "string_value"
}'
```
> For complex input (multi-line strings, code), save the JSON to a file and use:
> ```bash
> unity-mcp-cli run-tool assets-copy --input-file args.json
> ```
>
> Or pipe via stdin (recommended):
> ```bash
> unity-mcp-cli run-tool assets-copy --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 |
|------|------|----------|-------------|
| `sourcePaths` | `any` | Yes | The paths of the assets to copy. |
| `destinationPaths` | `any` | Yes | The paths to store the copied assets. |
### Input JSON Schema
```json
{
"type": "object",
"properties": {
"sourcePaths": {
"$ref": "#/$defs/System.String-1"
},
"destinationPaths": {
"$ref": "#/$defs/System.String-1"
}
},
"$defs": {
"System.String-1": {
"type": "array",
"items": {
"type": "string"
}
}
},
"required": [
"sourcePaths",
"destinationPaths"
]
}
```
## Output
### Output JSON Schema
```json
{
"type": "object",
"properties": {
"result": {
"$ref": "#/$defs/AIGD.CopyAssetsResponse"
}
},
"$defs": {
"System.Collections.Generic.List(AIGD.AssetObjectRef)": {
"type": "array",
"items": {
"$ref": "#/$defs/AIGD.AssetObjectRef",
"description": "Reference to UnityEngine.Object asset instance. It could be Material, ScriptableObject, Prefab, and any other Asset. Anything located in the Assets and Packages folders."
}
},
"AIGD.AssetObjectRef": {
"type": "object",
"properties": {
"instanceID": {
"type": "integer",
"description": "instanceID of the UnityEngine.Object. If this is '0' and 'assetPath' and 'assetGuid' is not provided, empty or null, then it will be used as 'null'."
},
"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": "Reference to UnityEngine.Object asset instance. It could be Material, ScriptableObject, Prefab, and any other Asset. Anything located in the Assets and Packages folders."
},
"System.Type": {
"type": "string"
},
"System.Collections.Generic.List(System.String)": {
"type": "array",
"items": {
"type": "string"
}
},
"AIGD.CopyAssetsResponse": {
"type": "object",
"properties": {
"CopiedAssets": {
"$ref": "#/$defs/System.Collections.Generic.List(AIGD.AssetObjectRef)",
"description": "List of copied assets."
},
"Errors": {
"$ref": "#/$defs/System.Collections.Generic.List(System.String)",
"description": "List of errors encountered during copy operations."
}
}
}
},
"required": [
"result"
]
}
```