| 1 | using System.Collections.Frozen; |
| 2 | using System.Text.Json; |
| 3 | using HybridCodebaseIndex.Mcp; |
| 4 | using ModelContextProtocol.Protocol; |
| 5 | using ModelContextProtocol.Server; |
| 6 | |
| 7 | var tools = ToolCatalog.Build(); |
| 8 | |
| 9 | var options = new McpServerOptions |
| 10 | { |
| 11 | ServerInfo = new Implementation { Name = "HybridCodebaseIndex.Mcp", Version = "0.1.0" }, |
| 12 | ProtocolVersion = "2024-11-05", |
| 13 | Capabilities = new ServerCapabilities { Tools = new ToolsCapability { ListChanged = false } }, |
| 14 | Handlers = new McpServerHandlers |
| 15 | { |
| 16 | ListToolsHandler = (_, _) => ValueTask.FromResult(new ListToolsResult { Tools = tools }), |
| 17 | |
| 18 | CallToolHandler = (request, _) => |
| 19 | { |
| 20 | var name = request.Params?.Name ?? ""; |
| 21 | var args = request.Params?.Arguments is IReadOnlyDictionary<string, JsonElement> d |
| 22 | ? d |
| 23 | : FrozenDictionary<string, JsonElement>.Empty; |
| 24 | |
| 25 | try |
| 26 | { |
| 27 | var text = ToolHandlers.Handle(name, args); |
| 28 | return ValueTask.FromResult(new CallToolResult { Content = [new TextContentBlock { Text = text }] }); |
| 29 | } |
| 30 | catch (ArgumentException ex) |
| 31 | { |
| 32 | return ValueTask.FromResult(new CallToolResult |
| 33 | { |
| 34 | Content = [new TextContentBlock { Text = $"Error: {ex.Message}" }], |
| 35 | IsError = true, |
| 36 | }); |
| 37 | } |
| 38 | catch (Exception ex) |
| 39 | { |
| 40 | return ValueTask.FromResult(new CallToolResult |
| 41 | { |
| 42 | Content = [new TextContentBlock { Text = "Error: " + ex.Message }], |
| 43 | IsError = true, |
| 44 | }); |
| 45 | } |
| 46 | }, |
| 47 | }, |
| 48 | }; |
| 49 | |
| 50 | var transport = new StdioServerTransport("HybridCodebaseIndex.Mcp"); |
| 51 | await using var server = McpServer.Create(transport, options); |
| 52 | await server.RunAsync(); |
| 53 | return 0; |
| 54 | |