Initial commit to new repository

src/AxCopilot/Services/Agent/McpListResourcesTool.cs

@@ -0,0 +1,61 @@
+using System.Text.Json;
+
+namespace AxCopilot.Services.Agent;
+
+/// <summary>MCP 서버의 리소스 목록을 조회합니다.</summary>
+public class McpListResourcesTool : IAgentTool
+{
+    private readonly Func<IReadOnlyCollection<McpClientService>> _getClients;
+
+    public McpListResourcesTool(Func<IReadOnlyCollection<McpClientService>> getClients)
+    {
+        _getClients = getClients;
+    }
+
+    public string Name => "mcp_list_resources";
+    public string Description => "연결된 MCP 서버들의 리소스 목록을 조회합니다. server_name을 지정하면 특정 서버만 조회합니다.";
+    public ToolParameterSchema Parameters => new()
+    {
+        Properties = new()
+        {
+            ["server_name"] = new ToolProperty
+            {
+                Type = "string",
+                Description = "조회할 MCP 서버 이름. 생략하면 모든 연결된 서버를 조회합니다."
+            }
+        }
+    };
+
+    public async Task<ToolResult> ExecuteAsync(JsonElement args, AgentContext context, CancellationToken ct = default)
+    {
+        var serverName = args.ValueKind == JsonValueKind.Object &&
+                         args.TryGetProperty("server_name", out var serverProp)
+            ? serverProp.GetString() ?? ""
+            : "";
+
+        var clients = _getClients()
+            .Where(c => c.IsConnected &&
+                        (string.IsNullOrWhiteSpace(serverName) || string.Equals(c.ServerName, serverName, StringComparison.OrdinalIgnoreCase)))
+            .ToList();
+
+        if (clients.Count == 0)
+            return ToolResult.Fail(string.IsNullOrWhiteSpace(serverName)
+                ? "연결된 MCP 서버가 없습니다."
+                : $"MCP 서버 '{serverName}'를 찾지 못했습니다.");
+
+        var lines = new List<string>();
+        foreach (var client in clients)
+        {
+            var resources = await client.ListResourcesAsync(ct);
+            lines.Add($"[{client.ServerName}] {resources.Count}개 리소스");
+            foreach (var resource in resources.Take(20))
+            {
+                var desc = string.IsNullOrWhiteSpace(resource.Description) ? "" : $" - {resource.Description}";
+                var mime = string.IsNullOrWhiteSpace(resource.MimeType) ? "" : $" ({resource.MimeType})";
+                lines.Add($"- {resource.Name} :: {resource.Uri}{mime}{desc}");
+            }
+        }
+
+        return ToolResult.Ok(string.Join(Environment.NewLine, lines));
+    }
+}