Unity MCP Server

namespace UnityMcp { /// <summary> /// Content block for MCP tool results. /// </summary> public sealed class ContentBlock { public string type; public string text; } /// <summary> /// Result of a tool call. /// </summary> public sealed class ToolResult { public ContentBlock[] content; public bool isError; } /// <summary> /// Content for MCP resources. /// </summary> public sealed class ResourceContent { public string uri; public string mimeType; public string text; public string blob; // base64 for binary } /// <summary> /// Result of a resource read. /// </summary> public sealed class ResourceResult { public ResourceContent[] contents; public bool isError; } /// <summary> /// Helper methods for creating tool results. /// </summary> public static class ToolResultUtil { public static ToolResult Text(string text, bool isError = false) { return new ToolResult { content = new[] { new ContentBlock { type = "text", text = text ?? "" } }, isError = isError }; } public static ToolResult Error(string message) { return Text(message, isError: true); } } /// <summary> /// Helper methods for creating resource results. /// </summary> public static class ResourceResultUtil { public static ResourceResult Text(string uri, string text, string mimeType = "text/plain") { return new ResourceResult { contents = new[] { new ResourceContent { uri = uri, mimeType = mimeType, text = text ?? "" } }, isError = false }; } public static ResourceResult Json(string uri, string json) { return Text(uri, json, "application/json"); } public static ResourceResult Error(string uri, string message) { return new ResourceResult { contents = new[] { new ResourceContent { uri = uri, mimeType = "text/plain", text = message } }, isError = true }; } } }