108 lines
2.9 KiB
Markdown
108 lines
2.9 KiB
Markdown
---
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name: assets-prefab-save
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description: Save the currently opened prefab edit stage back to its prefab asset without exiting the stage. Pair with 'assets-prefab-open' to enter the edit mode first.
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---
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# Assets / Prefab / Save
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Save a prefab. Use it when you are in prefab editing mode in Unity Editor. Use 'assets-prefab-open' tool to open a prefab first.
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## Behavior
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Calls `PrefabUtility.SaveAsPrefabAsset` on the current prefab stage's contents root, clears the stage's dirtiness flag, repaints editor windows, and returns an `AssetObjectRef` to the saved prefab. Throws when no prefab stage is currently open.
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## How to Call
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```bash
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unity-mcp-cli run-tool assets-prefab-save --input '{
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"nothing": "string_value"
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}'
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```
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> For complex input (multi-line strings, code), save the JSON to a file and use:
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> ```bash
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> unity-mcp-cli run-tool assets-prefab-save --input-file args.json
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> ```
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>
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> Or pipe via stdin (recommended):
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> ```bash
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> unity-mcp-cli run-tool assets-prefab-save --input-file - <<'EOF'
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> {"param": "value"}
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> EOF
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> ```
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### Troubleshooting
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If `unity-mcp-cli` is not found, either install it globally (`npm install -g unity-mcp-cli`) or use `npx unity-mcp-cli` instead.
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Read the /unity-initial-setup skill for detailed installation instructions.
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## Input
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| Name | Type | Required | Description |
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|------|------|----------|-------------|
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| `nothing` | `string` | No | |
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### Input JSON Schema
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```json
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{
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"type": "object",
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"properties": {
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"nothing": {
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"type": "string"
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}
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}
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}
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```
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## Output
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### Output JSON Schema
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```json
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{
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"type": "object",
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"properties": {
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"result": {
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"$ref": "#/$defs/AIGD.AssetObjectRef",
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"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."
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}
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},
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"$defs": {
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"System.Type": {
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"type": "string"
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},
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"AIGD.AssetObjectRef": {
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"type": "object",
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"properties": {
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"instanceID": {
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"type": "integer",
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"description": "instanceID of the UnityEngine.Object. If this is '0' and 'assetPath' and 'assetGuid' is not provided, empty or null, then it will be used as 'null'."
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},
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"assetType": {
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"$ref": "#/$defs/System.Type",
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"description": "Type of the asset."
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},
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"assetPath": {
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"type": "string",
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"description": "Path to the asset within the project. Starts with 'Assets/'"
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},
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"assetGuid": {
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"type": "string",
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"description": "Unique identifier for the asset."
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}
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},
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"required": [
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"instanceID"
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],
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"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."
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}
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},
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"required": [
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"result"
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]
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}
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```
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