| 1 | using System.Collections.Frozen; |
| 2 | using System.Text.Json; |
| 3 | using Microsoft.Build.Locator; |
| 4 | using ModelContextProtocol; |
| 5 | using ModelContextProtocol.Protocol; |
| 6 | using ModelContextProtocol.Server; |
| 7 | using RoslynMcp.Mcp; |
| 8 | using Tool = ModelContextProtocol.Protocol.Tool; |
| 9 | |
| 10 | // MSBuildWorkspace и разрешение Analyzer/SourceGenerator-пакетов (в т.ч. CommunityToolkit.Mvvm) требуют зарегистрированный MSBuild. |
| 11 | MSBuildLocator.RegisterDefaults(); |
| 12 | |
| 13 | var toolsList = ToolCatalog.Build(); |
| 14 | |
| 15 | var options = new McpServerOptions |
| 16 | { |
| 17 | ServerInfo = new Implementation { Name = "RoslynMcp", Version = "0.5.0" }, |
| 18 | ProtocolVersion = "2024-11-05", |
| 19 | Capabilities = new ServerCapabilities { Tools = new ToolsCapability { ListChanged = false } }, |
| 20 | Handlers = new McpServerHandlers |
| 21 | { |
| 22 | ListToolsHandler = (_, _) => ValueTask.FromResult(new ListToolsResult { Tools = toolsList }), |
| 23 | |
| 24 | CallToolHandler = async (request, cancellationToken) => |
| 25 | { |
| 26 | var name = request.Params?.Name ?? ""; |
| 27 | var args = request.Params?.Arguments is IReadOnlyDictionary<string, JsonElement> a |
| 28 | ? a |
| 29 | : FrozenDictionary<string, JsonElement>.Empty; |
| 30 | try |
| 31 | { |
| 32 | var text = await ToolHandlers.HandleAsync(name, args, cancellationToken).ConfigureAwait(false); |
| 33 | var isError = text.StartsWith("Error:", StringComparison.OrdinalIgnoreCase); |
| 34 | return new CallToolResult { Content = [new TextContentBlock { Text = text }], IsError = isError }; |
| 35 | } |
| 36 | catch (ArgumentException ex) |
| 37 | { |
| 38 | return new CallToolResult { Content = [new TextContentBlock { Text = $"Error: {ex.Message}" }], IsError = true }; |
| 39 | } |
| 40 | catch (Exception ex) |
| 41 | { |
| 42 | return new CallToolResult { Content = [new TextContentBlock { Text = $"Error: {ex.Message}" }], IsError = true }; |
| 43 | } |
| 44 | } |
| 45 | } |
| 46 | }; |
| 47 | |
| 48 | var transport = new StdioServerTransport("RoslynMcp"); |
| 49 | await using var server = McpServer.Create(transport, options); |
| 50 | await server.RunAsync(); |
| 51 | return 0; |
| 52 | |