| 1 | using System.Collections.Frozen; |
| 2 | using System.Text.Json; |
| 3 | using DotnetDebugMcp; |
| 4 | using ModelContextProtocol.Protocol; |
| 5 | using ModelContextProtocol.Server; |
| 6 | |
| 7 | // MCP-сервер для отладки .NET: DAP + интеграция с Visual Studio (DTE). |
| 8 | // Сейчас: хранение брейкпоинтов (set/list/clear); DAP launch + continue/next. |
| 9 | |
| 10 | var toolsList = ToolCatalog.Build(); |
| 11 | |
| 12 | var options = new McpServerOptions |
| 13 | { |
| 14 | ServerInfo = new Implementation { Name = "DotnetDebugMcp", Version = "0.3.0" }, |
| 15 | ProtocolVersion = "2024-11-05", |
| 16 | Capabilities = new ServerCapabilities { Tools = new ToolsCapability { ListChanged = false } }, |
| 17 | Handlers = new McpServerHandlers |
| 18 | { |
| 19 | ListToolsHandler = (_, _) => ValueTask.FromResult(new ListToolsResult { Tools = toolsList }), |
| 20 | |
| 21 | CallToolHandler = async (request, cancellationToken) => |
| 22 | { |
| 23 | var name = request.Params?.Name ?? ""; |
| 24 | var args = request.Params?.Arguments is IReadOnlyDictionary<string, JsonElement> a |
| 25 | ? a |
| 26 | : FrozenDictionary<string, JsonElement>.Empty; |
| 27 | try |
| 28 | { |
| 29 | cancellationToken.ThrowIfCancellationRequested(); |
| 30 | string text = name switch |
| 31 | { |
| 32 | "debug_ping" => $"OK {DateTime.UtcNow:O} — DotnetDebugMcp. Tools: {string.Join(", ", toolsList.Select(t => t.Name))}.", |
| 33 | "debug_set_breakpoints" => BreakpointToolHandlers.HandleSetBreakpoints(args), |
| 34 | "debug_list_breakpoints" => BreakpointToolHandlers.HandleListBreakpoints(args), |
| 35 | "debug_clear_breakpoints" => BreakpointToolHandlers.HandleClearBreakpoints(args), |
| 36 | "debug_launch" => await DebugLaunchToolHandlers.HandleDebugLaunch(args), |
| 37 | "debug_attach" => await DebugLaunchToolHandlers.HandleDebugAttach(args), |
| 38 | "debug_continue" => await DebugControlToolHandlers.HandleDebugContinue(args), |
| 39 | "debug_step_over" => await DebugControlToolHandlers.HandleDebugStepOver(args), |
| 40 | "debug_step_into" => await DebugControlToolHandlers.HandleDebugStepInto(args), |
| 41 | "debug_step_out" => await DebugControlToolHandlers.HandleDebugStepOut(args), |
| 42 | "debug_stop" => await DebugControlToolHandlers.HandleDebugStop(args), |
| 43 | "debug_stack_trace" => await DebugControlToolHandlers.HandleDebugStackTrace(args), |
| 44 | "debug_variables" => await DebugControlToolHandlers.HandleDebugVariables(args), |
| 45 | "debug_variable_children" => await DebugControlToolHandlers.HandleDebugVariableChildren(args), |
| 46 | _ => throw new ArgumentException($"Unknown tool: {name}.") |
| 47 | }; |
| 48 | return new CallToolResult { Content = [new TextContentBlock { Text = text }] }; |
| 49 | } |
| 50 | catch (ArgumentException ex) |
| 51 | { |
| 52 | return new CallToolResult { Content = [new TextContentBlock { Text = $"Error: {ex.Message}" }], IsError = true }; |
| 53 | } |
| 54 | catch (OperationCanceledException) |
| 55 | { |
| 56 | // Хост MCP отменил вызов (таймаут, закрытие сессии) — не смешиваем с сбоями DAP/netcoredbg. |
| 57 | var tag = string.IsNullOrEmpty(name) ? "(unknown)" : name; |
| 58 | return new CallToolResult { Content = [new TextContentBlock { Text = $"# Aborted: {tag}" }] }; |
| 59 | } |
| 60 | catch (Exception ex) |
| 61 | { |
| 62 | return new CallToolResult { Content = [new TextContentBlock { Text = "Error: " + DapHelpers.FormatException(ex) }], IsError = true }; |
| 63 | } |
| 64 | } |
| 65 | } |
| 66 | }; |
| 67 | |
| 68 | var transport = new StdioServerTransport("DotnetDebugMcp"); |
| 69 | await using var server = McpServer.Create(transport, options); |
| 70 | await server.RunAsync(); |
| 71 | return 0; |
| 72 | |