Unity MCP Server

using System; using System.Collections.Generic; using Newtonsoft.Json; using Newtonsoft.Json.Linq; using UnityEditor.SceneManagement; using UnityEngine.SceneManagement; namespace UnityMcp { public static class Tools_Scene { public static ToolResult List(JObject args) { var list = new List<object>(); for (int i = 0; i < SceneManager.sceneCount; i++) { var s = SceneManager.GetSceneAt(i); list.Add(new { name = s.name, path = s.path, buildIndex = s.buildIndex, isLoaded = s.isLoaded, isDirty = s.isDirty, rootCount = s.isLoaded ? s.rootCount : 0 }); } return ToolResultUtil.Text(JsonConvert.SerializeObject(list, Formatting.Indented)); } public static ToolResult Save(JObject args) { var sceneName = args.Value<string>("scene"); if (string.IsNullOrEmpty(sceneName)) { EditorSceneManager.SaveOpenScenes(); return ToolResultUtil.Text("All open scenes saved."); } for (int i = 0; i < SceneManager.sceneCount; i++) { var s = SceneManager.GetSceneAt(i); if (s.name.Equals(sceneName, StringComparison.OrdinalIgnoreCase)) { EditorSceneManager.SaveScene(s); return ToolResultUtil.Text($"Saved scene: {s.name}"); } } return ToolResultUtil.Text($"Scene not found: {sceneName}", true); } public static ToolResult Load(JObject args) { var scenePath = args.Value<string>("path"); var mode = args.Value<string>("mode")?.ToLowerInvariant() ?? "single"; if (string.IsNullOrEmpty(scenePath)) { return ToolResultUtil.Text("Missing param: path", true); } var loadMode = mode == "additive" ? OpenSceneMode.Additive : OpenSceneMode.Single; try { var scene = EditorSceneManager.OpenScene(scenePath, loadMode); return ToolResultUtil.Text(JsonConvert.SerializeObject(new { name = scene.name, path = scene.path, isLoaded = scene.isLoaded })); } catch (Exception e) { return ToolResultUtil.Text($"Failed to load scene: {e.Message}", true); } } public static ToolResult New(JObject args) { var setup = args.Value<string>("setup")?.ToLowerInvariant() ?? "default"; var newSceneSetup = setup == "empty" ? NewSceneSetup.EmptyScene : NewSceneSetup.DefaultGameObjects; var scene = EditorSceneManager.NewScene(newSceneSetup, NewSceneMode.Single); return ToolResultUtil.Text(JsonConvert.SerializeObject(new { name = scene.name, isLoaded = scene.isLoaded, isDirty = scene.isDirty })); } public static ToolResult Close(JObject args) { var sceneName = args.Value<string>("scene"); var save = args.Value<bool?>("save") ?? false; if (string.IsNullOrEmpty(sceneName)) { return ToolResultUtil.Text("Missing param: scene", true); } for (int i = 0; i < SceneManager.sceneCount; i++) { var s = SceneManager.GetSceneAt(i); if (s.name.Equals(sceneName, StringComparison.OrdinalIgnoreCase)) { var removed = EditorSceneManager.CloseScene(s, !save); return removed ? ToolResultUtil.Text($"Closed scene: {sceneName}") : ToolResultUtil.Text($"Failed to close scene: {sceneName}", true); } } return ToolResultUtil.Text($"Scene not found: {sceneName}", true); } } }