AX Agent ?? ?? ??? MCP ?? ??? ???? ??? ??? ??

- MCP ?? ?????? synthetic skill? ???? McpSkillCatalog? ???? ToolRegistry ?? snapshot ?? ??? ???
- managed/user/additional/project/plugin/mcp/legacy ?? source ??, plugin-only ??, source? inline shell trust boundary? SkillService/AppSettings/Settings UI? ???
- SlashCommandCatalog? ChatWindow?? builtin command? skill? ???? ???? ??? ?? ? ????? dedupe?? MCP ???? ? synthetic skill ?? ??? SkillGallery/AgentSettings? ???
- README.md? docs/DEVELOPMENT.md? 2026-04-14 19:13 (KST) ?? ?? ??? ?? ??? ???
- ??: dotnet build src/AxCopilot/AxCopilot.csproj -c Release -v minimal -p:OutputPath=bin\\verify_phase4\\ -p:IntermediateOutputPath=obj\\verify_phase4\\ (?? 0, ?? 0)
- ??: dotnet test src/AxCopilot.Tests/AxCopilot.Tests.csproj -c Release -v minimal --filter "SkillServiceRuntimePolicyTests|SlashCommandCatalogTests|McpSkillCatalogTests" -p:OutputPath=bin\\verify_phase4_tests\\ -p:IntermediateOutputPath=obj\\verify_phase4_tests\\ (?? 17, ?? WorkspaceContextGeneratorTests.cs nullable ?? 1? ??)

src/AxCopilot.Tests/Services/McpSkillCatalogTests.cs

@@ -0,0 +1,59 @@
+using AxCopilot.Models;
+using AxCopilot.Services.Agent;
+using FluentAssertions;
+using Xunit;
+
+namespace AxCopilot.Tests.Services;
+
+public class McpSkillCatalogTests
+{
+    [Fact]
+    public void BuildSyntheticSkills_ShouldCreateMcpScopedSkill_ForEnabledServer()
+    {
+        var skills = McpSkillCatalog.BuildSyntheticSkills(
+        [
+            new McpServerEntry
+            {
+                Name = "chrome-devtools",
+                Enabled = true,
+                Transport = "stdio",
+                Command = "npx"
+            },
+            new McpServerEntry
+            {
+                Name = "disabled-server",
+                Enabled = false
+            }
+        ]);
+
+        skills.Should().ContainSingle();
+        var skill = skills[0];
+        skill.Name.Should().Be("mcp:chrome-devtools");
+        skill.SourceScope.Should().Be("mcp");
+        skill.Label.Should().Be("chrome-devtools MCP");
+        skill.AllowedTools.Should().Contain("mcp_list_resources");
+        skill.AllowedTools.Should().Contain("mcp_read_resource");
+        skill.SystemPrompt.Should().Contain("Use the MCP server");
+    }
+
+    [Fact]
+    public void ComputeSignature_ShouldReflectEnabledServerConfiguration()
+    {
+        var servers = new[]
+        {
+            new McpServerEntry
+            {
+                Name = "docs",
+                Enabled = true,
+                Transport = "sse",
+                Url = "https://intra.example.local/mcp/sse"
+            }
+        };
+
+        var signature = McpSkillCatalog.ComputeSignature(servers);
+
+        signature.Should().Contain("docs");
+        signature.Should().Contain("sse");
+        signature.Should().Contain("https://intra.example.local/mcp/sse");
+    }
+}

src/AxCopilot.Tests/Services/SkillServiceRuntimePolicyTests.cs

@@ -1,4 +1,5 @@
 using AxCopilot.Services.Agent;
+using AxCopilot.Models;
 using FluentAssertions;
 using Xunit;
 using System;
@@ -303,4 +304,60 @@ public class SkillServiceRuntimePolicyTests
             try { if (Directory.Exists(tempDir)) Directory.Delete(tempDir, true); } catch { }
         }
     }
+
+    [Fact]
+    public void IsSkillSourceEnabled_ShouldRespectSourceFlags_AndPluginOnlyMode()
+    {
+        var llm = new LlmSettings
+        {
+            EnableManagedSkillSource = true,
+            EnableUserSkillSource = false,
+            EnableAdditionalSkillDiscovery = false,
+            EnableProjectSkillDiscovery = true,
+            EnablePluginSkillDiscovery = true,
+            EnableMcpSkillDiscovery = false,
+            EnableLegacyCommandSkills = false,
+            EnablePluginOnlySkillMode = false,
+        };
+
+        SkillService.IsSkillSourceEnabled("managed", llm).Should().BeTrue();
+        SkillService.IsSkillSourceEnabled("user", llm).Should().BeFalse();
+        SkillService.IsSkillSourceEnabled("additional", llm).Should().BeFalse();
+        SkillService.IsSkillSourceEnabled("project", llm).Should().BeTrue();
+        SkillService.IsSkillSourceEnabled("mcp", llm).Should().BeFalse();
+        SkillService.IsSkillSourceEnabled("legacy", llm).Should().BeFalse();
+
+        llm.EnablePluginOnlySkillMode = true;
+
+        SkillService.IsSkillSourceEnabled("managed", llm).Should().BeTrue();
+        SkillService.IsSkillSourceEnabled("plugin", llm).Should().BeTrue();
+        SkillService.IsSkillSourceEnabled("project", llm).Should().BeFalse();
+        SkillService.IsSkillSourceEnabled("mcp", llm).Should().BeFalse();
+        SkillService.IsSkillSourceEnabled("bundled", llm).Should().BeTrue();
+    }
+
+    [Fact]
+    public void GetInlineShellBlockedReason_ShouldRespectSourceTrustBoundaries()
+    {
+        var llm = new LlmSettings
+        {
+            EnableSkillInlineShell = true,
+            AllowPluginSkillInlineShell = false,
+            AllowMcpSkillInlineShell = false,
+        };
+
+        var pluginSkill = new SkillDefinition { Name = "plugin-a", SourceScope = "plugin" };
+        var mcpSkill = new SkillDefinition { Name = "mcp-a", SourceScope = "mcp" };
+        var projectSkill = new SkillDefinition { Name = "project-a", SourceScope = "project" };
+
+        SkillService.GetInlineShellBlockedReason(pluginSkill, llm).Should().Be("[inline-shell blocked for plugin skills]");
+        SkillService.GetInlineShellBlockedReason(mcpSkill, llm).Should().Be("[inline-shell blocked for mcp skills]");
+        SkillService.GetInlineShellBlockedReason(projectSkill, llm).Should().BeNull();
+
+        llm.AllowPluginSkillInlineShell = true;
+        llm.AllowMcpSkillInlineShell = true;
+
+        SkillService.GetInlineShellBlockedReason(pluginSkill, llm).Should().BeNull();
+        SkillService.GetInlineShellBlockedReason(mcpSkill, llm).Should().BeNull();
+    }
 }

src/AxCopilot.Tests/Views/SlashCommandCatalogTests.cs

@@ -28,4 +28,25 @@ public class SlashCommandCatalogTests
         SlashCommandCatalog.TryGetEntry("/mcp", out var mcpEntry).Should().BeTrue();
         mcpEntry.SystemPrompt.Should().Be("__MCP__");
     }
+
+    [Fact]
+    public void ComposeMatches_ShouldPreferHigherPriorityEntry_WhenCommandCollides()
+    {
+        var matches = SlashCommandCatalog.ComposeMatches(
+        [
+            ("/review", "Project Review Skill", true, 900),
+            ("/review", "Code Review", false, 2100),
+            ("/verify-change", "Verify Skill", true, 600)
+        ]);
+
+        matches.Should().ContainSingle(x => x.Cmd == "/review");
+        matches.Should().Contain(x => x.Cmd == "/review" && x.IsSkill == false && x.Label == "Code Review");
+        matches.Should().Contain(x => x.Cmd == "/verify-change" && x.IsSkill);
+    }
+
+    [Fact]
+    public void GetBuiltInCommandPriority_ShouldGiveDevCommandsHigherPriority()
+    {
+        SlashCommandCatalog.GetBuiltInCommandPriority("/review").Should().BeGreaterThan(SlashCommandCatalog.GetBuiltInCommandPriority("/clear"));
+    }
 }

src/AxCopilot/Models/AppSettings.cs

@@ -1296,18 +1296,39 @@ public class LlmSettings
     [JsonPropertyName("additionalSkillFolders")]
     public List<string> AdditionalSkillFolders { get; set; } = new();
 
+    [JsonPropertyName("enableManagedSkillSource")]
+    public bool EnableManagedSkillSource { get; set; } = true;
+
+    [JsonPropertyName("enableUserSkillSource")]
+    public bool EnableUserSkillSource { get; set; } = true;
+
+    [JsonPropertyName("enableAdditionalSkillDiscovery")]
+    public bool EnableAdditionalSkillDiscovery { get; set; } = true;
+
     [JsonPropertyName("enableProjectSkillDiscovery")]
     public bool EnableProjectSkillDiscovery { get; set; } = true;
 
     [JsonPropertyName("enablePluginSkillDiscovery")]
     public bool EnablePluginSkillDiscovery { get; set; } = true;
 
+    [JsonPropertyName("enableMcpSkillDiscovery")]
+    public bool EnableMcpSkillDiscovery { get; set; } = true;
+
+    [JsonPropertyName("enablePluginOnlySkillMode")]
+    public bool EnablePluginOnlySkillMode { get; set; } = false;
+
     [JsonPropertyName("enableLegacyCommandSkills")]
     public bool EnableLegacyCommandSkills { get; set; } = true;
 
     [JsonPropertyName("enableSkillInlineShell")]
     public bool EnableSkillInlineShell { get; set; } = true;
 
+    [JsonPropertyName("allowPluginSkillInlineShell")]
+    public bool AllowPluginSkillInlineShell { get; set; } = false;
+
+    [JsonPropertyName("allowMcpSkillInlineShell")]
+    public bool AllowMcpSkillInlineShell { get; set; } = false;
+
     [JsonPropertyName("skillInlineShellTimeoutSeconds")]
     public int SkillInlineShellTimeoutSeconds { get; set; } = 8;
 

src/AxCopilot/Services/Agent/McpSkillCatalog.cs

@@ -0,0 +1,257 @@
+using System.Text;
+using System.Text.RegularExpressions;
+using AxCopilot.Models;
+using AxCopilot.Services;
+
+namespace AxCopilot.Services.Agent;
+
+internal static class McpSkillCatalog
+{
+    private static readonly object s_gate = new();
+    private static readonly Dictionary<string, McpServerSnapshot> s_snapshots = new(StringComparer.OrdinalIgnoreCase);
+
+    public static void RefreshFromClients(IEnumerable<McpClientService> clients)
+    {
+        if (clients == null)
+            return;
+
+        lock (s_gate)
+        {
+            foreach (var client in clients)
+            {
+                if (client == null || string.IsNullOrWhiteSpace(client.ServerName))
+                    continue;
+
+                var serverName = client.ServerName.Trim();
+                s_snapshots[serverName] = new McpServerSnapshot(
+                    serverName,
+                    client.Tools
+                        .Select(tool => new McpToolDefinition
+                        {
+                            Name = tool.Name,
+                            Description = tool.Description,
+                            ServerName = tool.ServerName,
+                            Parameters = tool.Parameters.ToDictionary(
+                                pair => pair.Key,
+                                pair => new McpParameterDef
+                                {
+                                    Type = pair.Value.Type,
+                                    Description = pair.Value.Description,
+                                    Required = pair.Value.Required,
+                                },
+                                StringComparer.OrdinalIgnoreCase),
+                        })
+                        .ToList()
+                        .AsReadOnly(),
+                    client.Resources
+                        .Select(resource => new McpResourceDefinition
+                        {
+                            Uri = resource.Uri,
+                            Name = resource.Name,
+                            Description = resource.Description,
+                            MimeType = resource.MimeType,
+                            ServerName = resource.ServerName,
+                        })
+                        .ToList()
+                        .AsReadOnly(),
+                    DateTime.UtcNow);
+            }
+        }
+    }
+
+    public static IReadOnlyList<SkillDefinition> BuildSyntheticSkills(IEnumerable<McpServerEntry>? servers)
+    {
+        if (servers == null)
+            return [];
+
+        var snapshots = GetSnapshotMap();
+        var skills = new List<SkillDefinition>();
+        var usedNames = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+
+        foreach (var server in servers
+            .Where(server => server != null && server.Enabled)
+            .OrderBy(server => server.Name, StringComparer.OrdinalIgnoreCase))
+        {
+            var displayName = string.IsNullOrWhiteSpace(server.Name) ? "mcp-server" : server.Name.Trim();
+            var skillName = BuildUniqueSkillName(displayName, usedNames);
+            snapshots.TryGetValue(displayName, out var snapshot);
+
+            var allowedTools = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
+            {
+                "mcp_list_resources",
+                "mcp_read_resource"
+            };
+
+            if (snapshot != null)
+            {
+                foreach (var tool in snapshot.Tools)
+                    allowedTools.Add($"mcp_{tool.ServerName}_{tool.Name}");
+            }
+
+            skills.Add(new SkillDefinition
+            {
+                Id = skillName,
+                Name = skillName,
+                Label = $"{displayName} MCP",
+                Description = BuildDescription(displayName, snapshot),
+                SystemPrompt = BuildPromptBody(displayName, server, snapshot),
+                FilePath = $"[mcp]/{displayName}",
+                SkillRoot = "",
+                SourceScope = "mcp",
+                AllowedTools = string.Join(", ", allowedTools.OrderBy(tool => tool, StringComparer.OrdinalIgnoreCase)),
+                WhenToUse = BuildWhenToUse(displayName, snapshot),
+                Tabs = "all",
+                UserInvocable = true,
+                IsAvailable = true,
+            });
+        }
+
+        return skills;
+    }
+
+    public static string ComputeSignature(IEnumerable<McpServerEntry>? servers)
+    {
+        var snapshots = GetSnapshotMap();
+        var parts = new List<string>();
+        var orderedServers = (servers ?? [])
+            .Where(server => server != null)
+            .OrderBy(server => server.Name, StringComparer.OrdinalIgnoreCase);
+        foreach (var server in orderedServers)
+        {
+            var name = string.IsNullOrWhiteSpace(server.Name) ? "(unnamed)" : server.Name.Trim();
+            snapshots.TryGetValue(name, out var snapshot);
+            parts.Add(string.Join(":",
+                name,
+                server.Enabled ? "1" : "0",
+                server.Transport ?? "stdio",
+                server.Command ?? "",
+                server.Url ?? "",
+                snapshot?.Tools.Count ?? 0,
+                snapshot?.Resources.Count ?? 0,
+                snapshot?.UpdatedAtUtc.Ticks ?? 0));
+        }
+
+        return string.Join("|", parts);
+    }
+
+    private static IReadOnlyDictionary<string, McpServerSnapshot> GetSnapshotMap()
+    {
+        lock (s_gate)
+            return new Dictionary<string, McpServerSnapshot>(s_snapshots, StringComparer.OrdinalIgnoreCase);
+    }
+
+    private static string BuildDescription(string displayName, McpServerSnapshot? snapshot)
+    {
+        if (snapshot == null)
+            return $"{displayName} MCP 서버의 도구와 리소스를 탐색하는 보조 스킬입니다.";
+
+        var toolCount = snapshot.Tools.Count;
+        var resourceCount = snapshot.Resources.Count;
+        if (toolCount == 0 && resourceCount == 0)
+            return $"{displayName} MCP 서버에 연결되었지만 아직 노출된 도구나 리소스가 없습니다.";
+
+        return $"{displayName} MCP 서버의 도구 {toolCount}개와 리소스 {resourceCount}개를 우선 활용하도록 돕습니다.";
+    }
+
+    private static string BuildWhenToUse(string displayName, McpServerSnapshot? snapshot)
+    {
+        if (snapshot == null || (snapshot.Tools.Count == 0 && snapshot.Resources.Count == 0))
+            return $"{displayName} MCP 서버가 제공하는 리소스나 도구를 먼저 확인해야 하는 작업";
+
+        var keywords = snapshot.Resources
+            .SelectMany(resource => new[] { resource.Name, resource.Description, resource.MimeType })
+            .Concat(snapshot.Tools.SelectMany(tool => new[] { tool.Name, tool.Description }))
+            .Where(value => !string.IsNullOrWhiteSpace(value))
+            .Select(value => value!.Trim())
+            .Take(4)
+            .ToList();
+
+        return keywords.Count == 0
+            ? $"{displayName} MCP 서버의 도구와 리소스가 필요한 작업"
+            : $"{displayName} MCP 서버의 {string.Join(", ", keywords)} 관련 정보를 찾거나 실행해야 하는 작업";
+    }
+
+    private static string BuildPromptBody(string displayName, McpServerEntry server, McpServerSnapshot? snapshot)
+    {
+        var lines = new List<string>
+        {
+            $"Use the MCP server \"{displayName}\" as the first source of truth when it is relevant.",
+            $"Transport: {NormalizeTransport(server.Transport)}",
+            $"1. Start with `mcp_list_resources(server_name: \"{displayName}\")` to discover available resources.",
+            "2. Read only the specific resources you need with `mcp_read_resource`.",
+            "3. If server-specific MCP tools are available, prefer the smallest relevant call before broader exploration.",
+            "4. Summarize the MCP evidence you used and clearly note any missing data."
+        };
+
+        if (snapshot == null)
+        {
+            lines.Add(string.Empty);
+            lines.Add("This session does not yet have a cached MCP metadata snapshot, so inspect the live resource list first.");
+            return string.Join(Environment.NewLine, lines);
+        }
+
+        if (snapshot.Tools.Count > 0)
+        {
+            lines.Add(string.Empty);
+            lines.Add("Available server-specific MCP tools:");
+            foreach (var tool in snapshot.Tools.Take(8))
+            {
+                var description = string.IsNullOrWhiteSpace(tool.Description) ? "" : $" - {tool.Description}";
+                lines.Add($"- mcp_{tool.ServerName}_{tool.Name}{description}");
+            }
+        }
+
+        if (snapshot.Resources.Count > 0)
+        {
+            lines.Add(string.Empty);
+            lines.Add("Known MCP resources:");
+            foreach (var resource in snapshot.Resources.Take(8))
+            {
+                var descriptor = new StringBuilder();
+                descriptor.Append($"- {resource.Name}");
+                if (!string.IsNullOrWhiteSpace(resource.MimeType))
+                    descriptor.Append($" ({resource.MimeType})");
+                if (!string.IsNullOrWhiteSpace(resource.Description))
+                    descriptor.Append($" - {resource.Description}");
+                lines.Add(descriptor.ToString());
+            }
+        }
+
+        return string.Join(Environment.NewLine, lines);
+    }
+
+    private static string BuildUniqueSkillName(string displayName, ISet<string> usedNames)
+    {
+        var baseName = $"mcp:{NormalizeToken(displayName)}";
+        var current = baseName;
+        var suffix = 2;
+        while (!usedNames.Add(current))
+        {
+            current = $"{baseName}-{suffix}";
+            suffix++;
+        }
+
+        return current;
+    }
+
+    private static string NormalizeToken(string input)
+    {
+        var normalized = Regex.Replace((input ?? "").Trim().ToLowerInvariant(), @"[^a-z0-9]+", "-").Trim('-');
+        return string.IsNullOrWhiteSpace(normalized) ? "server" : normalized;
+    }
+
+    private static string NormalizeTransport(string? transport)
+    {
+        return (transport ?? "stdio").Trim().ToLowerInvariant() switch
+        {
+            "sse" => "server-sent events",
+            _ => "stdio",
+        };
+    }
+
+    private sealed record McpServerSnapshot(
+        string ServerName,
+        IReadOnlyList<McpToolDefinition> Tools,
+        IReadOnlyList<McpResourceDefinition> Resources,
+        DateTime UpdatedAtUtc);
+}

src/AxCopilot/Services/Agent/SkillManagerTool.cs

@@ -60,7 +60,7 @@ public class SkillManagerTool : IAgentTool
     {
         var skills = SkillService.Skills;
         if (skills.Count == 0)
-            return ToolResult.Ok("로드된 스킬이 없습니다. 번들 스킬, %APPDATA%\\AxCopilot\\skills\\, 추가 스킬 폴더, 프로젝트 .claude\\skills\\를 확인하세요.");
+            return ToolResult.Ok("로드된 스킬이 없습니다. 번들 스킬, %APPDATA%\\AxCopilot\\skills\\, 추가 스킬 폴더, 프로젝트 .claude\\skills\\, MCP 스킬 소스를 확인하세요.");
 
         var sb = new StringBuilder();
         sb.AppendLine($"사용 가능한 스킬 ({skills.Count}개):\n");

src/AxCopilot/Services/Agent/SkillService.cs

@@ -33,18 +33,25 @@ public static class SkillService
     /// <summary>스킬 폴더에서 *.skill.md / SKILL.md 파일을 로드합니다.</summary>
     public static void LoadSkills(string? customFolder = null, string? projectRoot = null, IEnumerable<string>? additionalFolders = null)
     {
+        var app = System.Windows.Application.Current as App;
+        var llm = app?.SettingsService?.Settings.Llm;
         var normalizedCustomFolder = NormalizeExistingDirectory(customFolder);
         var normalizedProjectRoot = NormalizeExistingDirectory(projectRoot);
         var normalizedAdditionalFolders = NormalizeDistinctDirectories(additionalFolders);
         var sources = BuildSkillSources(normalizedCustomFolder, normalizedProjectRoot, normalizedAdditionalFolders).ToList();
-        var loadSignature = ComputeLoadSignature(sources);
+        var mcpSkills = BuildMcpSkills(llm?.McpServers, llm);
+        var loadSignature = ComputeLoadSignature(sources, llm, mcpSkills);
         if (_skills.Count > 0 && string.Equals(_lastLoadSignature, loadSignature, StringComparison.OrdinalIgnoreCase))
             return;
 
-        var allSkills = GetBundledSkills().ToList();
-        var seen = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
-        foreach (var bundled in allSkills)
-            seen.Add(bundled.Name);
+        var candidates = new List<SkillLoadCandidate>();
+        var order = 0;
+
+        foreach (var bundled in GetBundledSkills())
+            candidates.Add(new SkillLoadCandidate(order++, bundled));
+
+        foreach (var mcpSkill in mcpSkills)
+            candidates.Add(new SkillLoadCandidate(order++, mcpSkill));
 
         foreach (var source in sources)
         {
@@ -57,8 +64,8 @@ public static class SkillService
                     var skill = source.Kind == SkillSourceKind.LegacyCommand
                         ? ParseLegacyCommandFile(file, source.Directory, source.Scope)
                         : ParseSkillFile(file, source.Directory, source.Scope);
-                    if (skill != null && seen.Add(skill.Name))
-                        allSkills.Add(skill);
+                    if (skill != null)
+                        candidates.Add(new SkillLoadCandidate(order++, skill));
                 }
                 catch (Exception ex)
                 {
@@ -67,6 +74,17 @@ public static class SkillService
             }
         }
 
+        var allSkills = candidates
+            .GroupBy(candidate => candidate.Skill.Name, StringComparer.OrdinalIgnoreCase)
+            .Select(group => group
+                .OrderByDescending(candidate => GetSkillSourcePriority(candidate.Skill.SourceScope))
+                .ThenBy(candidate => candidate.LoadOrder)
+                .Select(candidate => candidate.Skill)
+                .First())
+            .OrderByDescending(skill => GetSkillSourcePriority(skill.SourceScope))
+            .ThenBy(skill => skill.Name, StringComparer.OrdinalIgnoreCase)
+            .ToList();
+
         // 런타임 의존성 검증
         foreach (var skill in allSkills)
         {
@@ -338,6 +356,8 @@ public static class SkillService
 
         void AddSource(string? directory, string scope, SkillSourceKind kind = SkillSourceKind.SkillFolder)
         {
+            if (!IsSkillSourceEnabled(scope, llm))
+                return;
             if (string.IsNullOrWhiteSpace(directory) || !Directory.Exists(directory))
                 return;
 
@@ -350,8 +370,11 @@ public static class SkillService
         AddSource(Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), "AxCopilot", "skills"), "user");
         AddSource(customFolder, "custom");
 
-        foreach (var folder in additionalFolders)
-            AddSource(folder, "additional");
+        if (llm?.EnableAdditionalSkillDiscovery ?? true)
+        {
+            foreach (var folder in additionalFolders)
+                AddSource(folder, "additional");
+        }
 
         if (llm?.EnablePluginSkillDiscovery ?? true)
         {
@@ -374,7 +397,10 @@ public static class SkillService
         return sources;
     }
 
-    private static string ComputeLoadSignature(IEnumerable<SkillSourceDescriptor> sources)
+    private static string ComputeLoadSignature(
+        IEnumerable<SkillSourceDescriptor> sources,
+        Models.LlmSettings? llm,
+        IReadOnlyList<SkillDefinition> mcpSkills)
     {
         var parts = new List<string>();
         foreach (var source in sources)
@@ -388,9 +414,68 @@ public static class SkillService
             parts.Add($"{source.Kind}:{source.Scope}:{source.Directory}:{files.Count}:{latestWrite}");
         }
 
+        parts.Add($"skill-policy:{llm?.EnableManagedSkillSource ?? true}:{llm?.EnableUserSkillSource ?? true}:{llm?.EnableAdditionalSkillDiscovery ?? true}:{llm?.EnableProjectSkillDiscovery ?? true}:{llm?.EnablePluginSkillDiscovery ?? true}:{llm?.EnableMcpSkillDiscovery ?? true}:{llm?.EnablePluginOnlySkillMode ?? false}:{llm?.EnableLegacyCommandSkills ?? true}");
+        parts.Add($"mcp:{McpSkillCatalog.ComputeSignature(llm?.McpServers)}:{mcpSkills.Count}");
         return string.Join("|", parts);
     }
 
+    private static IReadOnlyList<SkillDefinition> BuildMcpSkills(
+        IEnumerable<Models.McpServerEntry>? servers,
+        Models.LlmSettings? llm)
+    {
+        if (!IsSkillSourceEnabled("mcp", llm))
+            return [];
+
+        return McpSkillCatalog.BuildSyntheticSkills(servers);
+    }
+
+    internal static bool IsSkillSourceEnabled(string scope, Models.LlmSettings? llm)
+    {
+        if (string.IsNullOrWhiteSpace(scope))
+            return true;
+
+        var normalized = scope.Trim().ToLowerInvariant();
+        if (normalized == "bundled")
+            return true;
+
+        if (llm == null)
+            return true;
+
+        if (llm.EnablePluginOnlySkillMode)
+        {
+            return normalized is "managed" or "plugin";
+        }
+
+        return normalized switch
+        {
+            "managed" => llm.EnableManagedSkillSource,
+            "user" or "custom" => llm.EnableUserSkillSource,
+            "additional" => llm.EnableAdditionalSkillDiscovery,
+            "project" => llm.EnableProjectSkillDiscovery,
+            "plugin" => llm.EnablePluginSkillDiscovery,
+            "mcp" => llm.EnableMcpSkillDiscovery,
+            "legacy" => llm.EnableLegacyCommandSkills,
+            _ => true,
+        };
+    }
+
+    internal static int GetSkillSourcePriority(string? sourceScope)
+    {
+        return (sourceScope ?? "").Trim().ToLowerInvariant() switch
+        {
+            "project" => 900,
+            "mcp" => 850,
+            "plugin" => 800,
+            "additional" => 760,
+            "custom" => 740,
+            "user" => 700,
+            "managed" => 650,
+            "bundled" => 600,
+            "legacy" => 550,
+            _ => 500,
+        };
+    }
+
     private static IEnumerable<string> EnumerateProjectSkillFolders(string? projectRoot)
     {
         foreach (var root in EnumerateAncestorDirectories(projectRoot))
@@ -527,7 +612,57 @@ public static class SkillService
                 완료한 작업, 남은 이슈, 주의할 파일, 다음 권장 액션을 분리해서 작성하세요.
                 """,
                 whenToUse: "작업 마무리, 인수인계, 세션 요약, 다음 액션 정리가 필요할 때",
-                allowedTools: "git_tool, file_read, task_list")
+                allowedTools: "git_tool, file_read, task_list"),
+            CreateBundledSkill(
+                "stuck-recovery",
+                "막힘 복구",
+                "막힌 작업을 다시 전진시키기 위한 원인 정리와 우회 경로를 제안합니다.",
+                """
+                현재 작업이 멈춘 이유를 입력, 환경, 도구, 정책, 검증 결과 관점에서 나눠 분석하세요.
+                즉시 시도할 수 있는 우회 경로와, 사용자의 결정을 받아야 하는 항목을 분리해 정리하세요.
+                """,
+                whenToUse: "반복 실패, 권한 차단, 환경 문제, 막힘 복구가 필요한 작업",
+                allowedTools: "file_read, grep, build_run, process, task_list"),
+            CreateBundledSkill(
+                "context-memory",
+                "컨텍스트 메모리",
+                "지속적으로 참고해야 할 사실과 후속 체크포인트를 짧게 정리합니다.",
+                """
+                현재 작업에서 다음 반복이나 다음 세션에도 유지해야 할 핵심 사실만 추려 정리하세요.
+                파일 경로, 결정 사항, 미해결 리스크, 다음 확인 지점을 짧은 메모 형식으로 요약하세요.
+                """,
+                whenToUse: "세션이 길어지거나, 다음 반복을 위해 핵심 사실을 압축해 남겨야 할 때",
+                allowedTools: "memory, file_read, task_list"),
+            CreateBundledSkill(
+                "config-tune",
+                "설정 튜닝",
+                "현재 설정/정책 상태를 바탕으로 실행 품질과 안전성을 조정합니다.",
+                """
+                현재 작업 목적에 맞춰 설정을 점검하고, 변경이 필요한 항목과 그대로 둬야 하는 항목을 구분하세요.
+                성능, 권한, 스킬 source, 도구 노출 관점에서 추천 변경안을 우선순위로 제시하세요.
+                """,
+                whenToUse: "권한, 스킬 source, 도구 노출, 자동화 설정을 조정해야 할 때",
+                allowedTools: "skill_manager, env_tool, mcp_list_resources"),
+            CreateBundledSkill(
+                "change-guard",
+                "변경 가드",
+                "수정 전에 영향 범위와 회귀 가능성을 빠르게 짚어줍니다.",
+                """
+                변경 대상의 영향 범위, 연관 파일, 테스트 누락 가능성을 먼저 정리하세요.
+                실제 수정 전에 어떤 확인이 필요한지와 수정 후 어떤 검증을 해야 하는지를 함께 제시하세요.
+                """,
+                whenToUse: "수정 전에 영향 범위와 회귀 리스크를 빠르게 훑어야 할 때",
+                allowedTools: "file_read, grep, lsp_code_intel, folder_map"),
+            CreateBundledSkill(
+                "delivery-pack",
+                "전달 패키지",
+                "배포/공유 직전 필요한 결과물과 커뮤니케이션 패키지를 정리합니다.",
+                """
+                배포 또는 공유 직전에 필요한 요약, 변경 포인트, 검증 상태, 사용자 전달 문구를 정리하세요.
+                문서, PPT, 보고서가 함께 필요한 경우 어떤 산출물을 어떤 순서로 만들지 제안하세요.
+                """,
+                whenToUse: "배포 직전, 보고 직전, 문서/PPT와 함께 전달 패키지를 정리해야 할 때",
+                allowedTools: "document_plan, document_assemble, pptx_create, docx_create, markdown_create")
         ];
     }
 
@@ -1172,13 +1307,7 @@ public static class SkillService
             score += 4;
         if (!skill.UserInvocable)
             score += 1;
-        score += skill.SourceScope switch
-        {
-            "project" => 3,
-            "plugin" => 2,
-            "bundled" => 1,
-            _ => 0,
-        };
+        score += Math.Max(0, GetSkillSourcePriority(skill.SourceScope) / 200);
         if (skill.DisableModelInvocation)
             score += 1;
 
@@ -1338,11 +1467,14 @@ public static class SkillService
             return input;
 
         var result = input;
+        var app = System.Windows.Application.Current as App;
+        var llm = app?.SettingsService?.Settings.Llm;
+        var blockedReason = GetInlineShellBlockedReason(skill, llm);
         foreach (Match match in matches.Cast<Match>().Reverse())
         {
             ct.ThrowIfCancellationRequested();
             var command = match.Groups[1].Value.Trim();
-            var output = await ExecuteInlineShellAsync(command, shellKind, workFolder, ct).ConfigureAwait(false);
+            var output = blockedReason ?? await ExecuteInlineShellAsync(command, shellKind, workFolder, ct).ConfigureAwait(false);
             result = result.Remove(match.Index, match.Length).Insert(match.Index, output);
         }
 
@@ -1425,6 +1557,19 @@ public static class SkillService
         }
     }
 
+    internal static string? GetInlineShellBlockedReason(SkillDefinition skill, Models.LlmSettings? llm)
+    {
+        if (llm is { EnableSkillInlineShell: false })
+            return "[inline-shell disabled by settings]";
+
+        return (skill.SourceScope ?? "").Trim().ToLowerInvariant() switch
+        {
+            "plugin" when !(llm?.AllowPluginSkillInlineShell ?? false) => "[inline-shell blocked for plugin skills]",
+            "mcp" when !(llm?.AllowMcpSkillInlineShell ?? false) => "[inline-shell blocked for mcp skills]",
+            _ => null,
+        };
+    }
+
     private static string NormalizeEffort(string raw)
     {
         var effort = raw.Trim().ToLowerInvariant();
@@ -1734,6 +1879,8 @@ public sealed record CompiledSkillInvocation(
     string SystemPrompt,
     string DisplayText);
 
+internal sealed record SkillLoadCandidate(int LoadOrder, SkillDefinition Skill);
+
 internal sealed record SkillSourceDescriptor(string Directory, string Scope, SkillSourceKind Kind);
 
 internal enum SkillSourceKind

src/AxCopilot/Services/Agent/ToolRegistry.cs

@@ -53,6 +53,7 @@ public class ToolRegistry : IDisposable
             }
         }
 
+        McpSkillCatalog.RefreshFromClients(_mcpClients.Values);
         return registered;
     }
 

src/AxCopilot/ViewModels/SettingsViewModel.cs

@@ -546,6 +546,27 @@ public class SettingsViewModel : INotifyPropertyChanged
         set { _additionalSkillFoldersText = value; OnPropertyChanged(); }
     }
 
+    private bool _enableManagedSkillSource = true;
+    public bool EnableManagedSkillSource
+    {
+        get => _enableManagedSkillSource;
+        set { _enableManagedSkillSource = value; OnPropertyChanged(); }
+    }
+
+    private bool _enableUserSkillSource = true;
+    public bool EnableUserSkillSource
+    {
+        get => _enableUserSkillSource;
+        set { _enableUserSkillSource = value; OnPropertyChanged(); }
+    }
+
+    private bool _enableAdditionalSkillDiscovery = true;
+    public bool EnableAdditionalSkillDiscovery
+    {
+        get => _enableAdditionalSkillDiscovery;
+        set { _enableAdditionalSkillDiscovery = value; OnPropertyChanged(); }
+    }
+
     private bool _enableProjectSkillDiscovery = true;
     public bool EnableProjectSkillDiscovery
     {
@@ -560,6 +581,20 @@ public class SettingsViewModel : INotifyPropertyChanged
         set { _enablePluginSkillDiscovery = value; OnPropertyChanged(); }
     }
 
+    private bool _enableMcpSkillDiscovery = true;
+    public bool EnableMcpSkillDiscovery
+    {
+        get => _enableMcpSkillDiscovery;
+        set { _enableMcpSkillDiscovery = value; OnPropertyChanged(); }
+    }
+
+    private bool _enablePluginOnlySkillMode;
+    public bool EnablePluginOnlySkillMode
+    {
+        get => _enablePluginOnlySkillMode;
+        set { _enablePluginOnlySkillMode = value; OnPropertyChanged(); }
+    }
+
     private bool _enableLegacyCommandSkills = true;
     public bool EnableLegacyCommandSkills
     {
@@ -574,6 +609,20 @@ public class SettingsViewModel : INotifyPropertyChanged
         set { _enableSkillInlineShell = value; OnPropertyChanged(); }
     }
 
+    private bool _allowPluginSkillInlineShell;
+    public bool AllowPluginSkillInlineShell
+    {
+        get => _allowPluginSkillInlineShell;
+        set { _allowPluginSkillInlineShell = value; OnPropertyChanged(); }
+    }
+
+    private bool _allowMcpSkillInlineShell;
+    public bool AllowMcpSkillInlineShell
+    {
+        get => _allowMcpSkillInlineShell;
+        set { _allowMcpSkillInlineShell = value; OnPropertyChanged(); }
+    }
+
     private int _skillInlineShellTimeoutSeconds = 8;
     public int SkillInlineShellTimeoutSeconds
     {
@@ -1259,10 +1308,17 @@ public class SettingsViewModel : INotifyPropertyChanged
         _enableForkSkillDelegationEnforcement = llm.EnableForkSkillDelegationEnforcement;
         _skillsFolderPath       = llm.SkillsFolderPath;
         _additionalSkillFoldersText = string.Join(Environment.NewLine, llm.AdditionalSkillFolders ?? new List<string>());
+        _enableManagedSkillSource = llm.EnableManagedSkillSource;
+        _enableUserSkillSource = llm.EnableUserSkillSource;
+        _enableAdditionalSkillDiscovery = llm.EnableAdditionalSkillDiscovery;
         _enableProjectSkillDiscovery = llm.EnableProjectSkillDiscovery;
         _enablePluginSkillDiscovery = llm.EnablePluginSkillDiscovery;
+        _enableMcpSkillDiscovery = llm.EnableMcpSkillDiscovery;
+        _enablePluginOnlySkillMode = llm.EnablePluginOnlySkillMode;
         _enableLegacyCommandSkills = llm.EnableLegacyCommandSkills;
         _enableSkillInlineShell = llm.EnableSkillInlineShell;
+        _allowPluginSkillInlineShell = llm.AllowPluginSkillInlineShell;
+        _allowMcpSkillInlineShell = llm.AllowMcpSkillInlineShell;
         _skillInlineShellTimeoutSeconds = Math.Clamp(llm.SkillInlineShellTimeoutSeconds, 1, 30);
         _skillInlineShellMaxOutputChars = Math.Clamp(llm.SkillInlineShellMaxOutputChars, 200, 20000);
         _slashPopupPageSize     = llm.SlashPopupPageSize > 0 ? Math.Clamp(llm.SlashPopupPageSize, 3, 10) : 6;
@@ -1716,10 +1772,17 @@ public class SettingsViewModel : INotifyPropertyChanged
         s.Llm.EnableForkSkillDelegationEnforcement = _enableForkSkillDelegationEnforcement;
         s.Llm.SkillsFolderPath       = _skillsFolderPath;
         s.Llm.AdditionalSkillFolders = ParseAdditionalSkillFolders(_additionalSkillFoldersText);
+        s.Llm.EnableManagedSkillSource = _enableManagedSkillSource;
+        s.Llm.EnableUserSkillSource = _enableUserSkillSource;
+        s.Llm.EnableAdditionalSkillDiscovery = _enableAdditionalSkillDiscovery;
         s.Llm.EnableProjectSkillDiscovery = _enableProjectSkillDiscovery;
         s.Llm.EnablePluginSkillDiscovery = _enablePluginSkillDiscovery;
+        s.Llm.EnableMcpSkillDiscovery = _enableMcpSkillDiscovery;
+        s.Llm.EnablePluginOnlySkillMode = _enablePluginOnlySkillMode;
         s.Llm.EnableLegacyCommandSkills = _enableLegacyCommandSkills;
         s.Llm.EnableSkillInlineShell = _enableSkillInlineShell;
+        s.Llm.AllowPluginSkillInlineShell = _allowPluginSkillInlineShell;
+        s.Llm.AllowMcpSkillInlineShell = _allowMcpSkillInlineShell;
         s.Llm.SkillInlineShellTimeoutSeconds = _skillInlineShellTimeoutSeconds;
         s.Llm.SkillInlineShellMaxOutputChars = _skillInlineShellMaxOutputChars;
         s.Llm.SlashPopupPageSize     = _slashPopupPageSize;

src/AxCopilot/Views/AgentSettingsWindow.xaml

@@ -869,6 +869,42 @@
                                       Grid.Column="1"
                                       Style="{StaticResource ToggleSwitch}"/>
                         </Grid>
+                        <Grid Margin="0,10,0,0">
+                            <Grid.ColumnDefinitions>
+                                <ColumnDefinition Width="*"/>
+                                <ColumnDefinition Width="Auto"/>
+                            </Grid.ColumnDefinitions>
+                            <TextBlock Text="기본 제공 스킬 소스"
+                                       VerticalAlignment="Center"
+                                       Foreground="{DynamicResource PrimaryText}"/>
+                            <CheckBox x:Name="ChkEnableManagedSkillSource"
+                                      Grid.Column="1"
+                                      Style="{StaticResource ToggleSwitch}"/>
+                        </Grid>
+                        <Grid Margin="0,10,0,0">
+                            <Grid.ColumnDefinitions>
+                                <ColumnDefinition Width="*"/>
+                                <ColumnDefinition Width="Auto"/>
+                            </Grid.ColumnDefinitions>
+                            <TextBlock Text="사용자 스킬 소스"
+                                       VerticalAlignment="Center"
+                                       Foreground="{DynamicResource PrimaryText}"/>
+                            <CheckBox x:Name="ChkEnableUserSkillSource"
+                                      Grid.Column="1"
+                                      Style="{StaticResource ToggleSwitch}"/>
+                        </Grid>
+                        <Grid Margin="0,10,0,0">
+                            <Grid.ColumnDefinitions>
+                                <ColumnDefinition Width="*"/>
+                                <ColumnDefinition Width="Auto"/>
+                            </Grid.ColumnDefinitions>
+                            <TextBlock Text="보조 스킬 폴더 탐색"
+                                       VerticalAlignment="Center"
+                                       Foreground="{DynamicResource PrimaryText}"/>
+                            <CheckBox x:Name="ChkEnableAdditionalSkillDiscovery"
+                                      Grid.Column="1"
+                                      Style="{StaticResource ToggleSwitch}"/>
+                        </Grid>
                         <Grid Margin="0,10,0,0">
                             <Grid.ColumnDefinitions>
                                 <ColumnDefinition Width="*"/>
@@ -893,6 +929,30 @@
                                       Grid.Column="1"
                                       Style="{StaticResource ToggleSwitch}"/>
                         </Grid>
+                        <Grid Margin="0,10,0,0">
+                            <Grid.ColumnDefinitions>
+                                <ColumnDefinition Width="*"/>
+                                <ColumnDefinition Width="Auto"/>
+                            </Grid.ColumnDefinitions>
+                            <TextBlock Text="MCP 스킬 탐색"
+                                       VerticalAlignment="Center"
+                                       Foreground="{DynamicResource PrimaryText}"/>
+                            <CheckBox x:Name="ChkEnableMcpSkillDiscovery"
+                                      Grid.Column="1"
+                                      Style="{StaticResource ToggleSwitch}"/>
+                        </Grid>
+                        <Grid Margin="0,10,0,0">
+                            <Grid.ColumnDefinitions>
+                                <ColumnDefinition Width="*"/>
+                                <ColumnDefinition Width="Auto"/>
+                            </Grid.ColumnDefinitions>
+                            <TextBlock Text="플러그인 전용 모드"
+                                       VerticalAlignment="Center"
+                                       Foreground="{DynamicResource PrimaryText}"/>
+                            <CheckBox x:Name="ChkEnablePluginOnlySkillMode"
+                                      Grid.Column="1"
+                                      Style="{StaticResource ToggleSwitch}"/>
+                        </Grid>
                         <Grid Margin="0,10,0,0">
                             <Grid.ColumnDefinitions>
                                 <ColumnDefinition Width="*"/>
@@ -917,6 +977,30 @@
                                       Grid.Column="1"
                                       Style="{StaticResource ToggleSwitch}"/>
                         </Grid>
+                        <Grid Margin="0,10,0,0">
+                            <Grid.ColumnDefinitions>
+                                <ColumnDefinition Width="*"/>
+                                <ColumnDefinition Width="Auto"/>
+                            </Grid.ColumnDefinitions>
+                            <TextBlock Text="플러그인 inline shell 허용"
+                                       VerticalAlignment="Center"
+                                       Foreground="{DynamicResource PrimaryText}"/>
+                            <CheckBox x:Name="ChkAllowPluginSkillInlineShell"
+                                      Grid.Column="1"
+                                      Style="{StaticResource ToggleSwitch}"/>
+                        </Grid>
+                        <Grid Margin="0,10,0,0">
+                            <Grid.ColumnDefinitions>
+                                <ColumnDefinition Width="*"/>
+                                <ColumnDefinition Width="Auto"/>
+                            </Grid.ColumnDefinitions>
+                            <TextBlock Text="MCP inline shell 허용"
+                                       VerticalAlignment="Center"
+                                       Foreground="{DynamicResource PrimaryText}"/>
+                            <CheckBox x:Name="ChkAllowMcpSkillInlineShell"
+                                      Grid.Column="1"
+                                      Style="{StaticResource ToggleSwitch}"/>
+                        </Grid>
                         <StackPanel Margin="0,12,0,0">
                             <TextBlock Text="보조 스킬 폴더 목록"
                                        Foreground="{DynamicResource PrimaryText}"/>
@@ -1053,7 +1137,7 @@
                                    FontSize="14"
                                    FontWeight="SemiBold"
                                    Foreground="{DynamicResource PrimaryText}"/>
-                        <TextBlock Text="현재 AX Agent에서 사용할 수 있는 슬래시 스킬 목록입니다."
+                        <TextBlock Text="현재 AX Agent에서 사용할 수 있는 슬래시 스킬 목록입니다. 프로젝트 `.claude/skills`와 MCP 스킬 소스도 함께 반영됩니다."
                                    Margin="0,4,0,8"
                                    FontSize="11.5"
                                    Foreground="{DynamicResource SecondaryText}"/>

src/AxCopilot/Views/AgentSettingsWindow.xaml.cs

@@ -66,10 +66,17 @@ public partial class AgentSettingsWindow : Window
         ChkEnableToolHooks.IsChecked = _llm.EnableToolHooks;
         ChkEnableHookInputMutation.IsChecked = _llm.EnableHookInputMutation;
         ChkEnableHookPermissionUpdate.IsChecked = _llm.EnableHookPermissionUpdate;
+        ChkEnableManagedSkillSource.IsChecked = _llm.EnableManagedSkillSource;
+        ChkEnableUserSkillSource.IsChecked = _llm.EnableUserSkillSource;
+        ChkEnableAdditionalSkillDiscovery.IsChecked = _llm.EnableAdditionalSkillDiscovery;
         ChkEnableProjectSkillDiscovery.IsChecked = _llm.EnableProjectSkillDiscovery;
         ChkEnablePluginSkillDiscovery.IsChecked = _llm.EnablePluginSkillDiscovery;
+        ChkEnableMcpSkillDiscovery.IsChecked = _llm.EnableMcpSkillDiscovery;
+        ChkEnablePluginOnlySkillMode.IsChecked = _llm.EnablePluginOnlySkillMode;
         ChkEnableLegacyCommandSkills.IsChecked = _llm.EnableLegacyCommandSkills;
         ChkEnableSkillInlineShell.IsChecked = _llm.EnableSkillInlineShell;
+        ChkAllowPluginSkillInlineShell.IsChecked = _llm.AllowPluginSkillInlineShell;
+        ChkAllowMcpSkillInlineShell.IsChecked = _llm.AllowMcpSkillInlineShell;
         ChkEnableCoworkVerification.IsChecked = _llm.EnableCoworkVerification;
         ChkEnableProjectRules.IsChecked = _llm.EnableProjectRules;
         ChkEnableAgentMemory.IsChecked = _llm.EnableAgentMemory;
@@ -550,10 +557,17 @@ public partial class AgentSettingsWindow : Window
         _llm.EnableToolHooks = ChkEnableToolHooks.IsChecked == true;
         _llm.EnableHookInputMutation = ChkEnableHookInputMutation.IsChecked == true;
         _llm.EnableHookPermissionUpdate = ChkEnableHookPermissionUpdate.IsChecked == true;
+        _llm.EnableManagedSkillSource = ChkEnableManagedSkillSource.IsChecked == true;
+        _llm.EnableUserSkillSource = ChkEnableUserSkillSource.IsChecked == true;
+        _llm.EnableAdditionalSkillDiscovery = ChkEnableAdditionalSkillDiscovery.IsChecked == true;
         _llm.EnableProjectSkillDiscovery = ChkEnableProjectSkillDiscovery.IsChecked == true;
         _llm.EnablePluginSkillDiscovery = ChkEnablePluginSkillDiscovery.IsChecked == true;
+        _llm.EnableMcpSkillDiscovery = ChkEnableMcpSkillDiscovery.IsChecked == true;
+        _llm.EnablePluginOnlySkillMode = ChkEnablePluginOnlySkillMode.IsChecked == true;
         _llm.EnableLegacyCommandSkills = ChkEnableLegacyCommandSkills.IsChecked == true;
         _llm.EnableSkillInlineShell = ChkEnableSkillInlineShell.IsChecked == true;
+        _llm.AllowPluginSkillInlineShell = ChkAllowPluginSkillInlineShell.IsChecked == true;
+        _llm.AllowMcpSkillInlineShell = ChkAllowMcpSkillInlineShell.IsChecked == true;
         _llm.EnableCoworkVerification = ChkEnableCoworkVerification.IsChecked == true;
         _llm.EnableProjectRules = ChkEnableProjectRules.IsChecked == true;
         _llm.EnableAgentMemory = ChkEnableAgentMemory.IsChecked == true;
@@ -656,7 +670,7 @@ public partial class AgentSettingsWindow : Window
                 Padding = new Thickness(12, 10, 12, 10),
                 Child = new TextBlock
                 {
-                    Text = "로드된 스킬이 없습니다. 기본/추가 스킬 폴더 또는 프로젝트 `.claude/skills` 아래에 `.skill.md`나 `SKILL.md`를 추가한 뒤 저장하면 다시 불러옵니다.",
+                    Text = "로드된 스킬이 없습니다. 기본/추가 스킬 폴더, 프로젝트 `.claude/skills`, 연결된 MCP 스킬 소스를 확인한 뒤 다시 불러오세요.",
                     FontSize = 11,
                     TextWrapping = TextWrapping.Wrap,
                     Foreground = TryFindResource("SecondaryText") as Brush ?? Brushes.Gray,
@@ -671,10 +685,11 @@ public partial class AgentSettingsWindow : Window
             new { Title = "기본 제공 스킬", Items = skills.Where(s => string.Equals(s.SourceScope, "managed", StringComparison.OrdinalIgnoreCase)).ToList() },
             new { Title = "프로젝트 스킬", Items = skills.Where(s => string.Equals(s.SourceScope, "project", StringComparison.OrdinalIgnoreCase)).ToList() },
             new { Title = "플러그인 스킬", Items = skills.Where(s => string.Equals(s.SourceScope, "plugin", StringComparison.OrdinalIgnoreCase)).ToList() },
+            new { Title = "MCP 스킬", Items = skills.Where(s => string.Equals(s.SourceScope, "mcp", StringComparison.OrdinalIgnoreCase)).ToList() },
             new { Title = "보조/공용 스킬", Items = skills.Where(s => string.Equals(s.SourceScope, "additional", StringComparison.OrdinalIgnoreCase)).ToList() },
             new { Title = "레거시 명령 스킬", Items = skills.Where(s => string.Equals(s.SourceScope, "legacy", StringComparison.OrdinalIgnoreCase)).ToList() },
-            new { Title = "사용자 스킬", Items = skills.Where(s => !string.Equals(s.SourceScope, "bundled", StringComparison.OrdinalIgnoreCase) && !string.Equals(s.SourceScope, "managed", StringComparison.OrdinalIgnoreCase) && !string.Equals(s.SourceScope, "project", StringComparison.OrdinalIgnoreCase) && !string.Equals(s.SourceScope, "plugin", StringComparison.OrdinalIgnoreCase) && !string.Equals(s.SourceScope, "additional", StringComparison.OrdinalIgnoreCase) && !string.Equals(s.SourceScope, "legacy", StringComparison.OrdinalIgnoreCase) && string.IsNullOrWhiteSpace(s.Requires)).ToList() },
-            new { Title = "고급 스킬", Items = skills.Where(s => !string.IsNullOrWhiteSpace(s.Requires) && !string.Equals(s.SourceScope, "project", StringComparison.OrdinalIgnoreCase)).ToList() },
+            new { Title = "사용자 스킬", Items = skills.Where(s => !string.Equals(s.SourceScope, "bundled", StringComparison.OrdinalIgnoreCase) && !string.Equals(s.SourceScope, "managed", StringComparison.OrdinalIgnoreCase) && !string.Equals(s.SourceScope, "project", StringComparison.OrdinalIgnoreCase) && !string.Equals(s.SourceScope, "plugin", StringComparison.OrdinalIgnoreCase) && !string.Equals(s.SourceScope, "mcp", StringComparison.OrdinalIgnoreCase) && !string.Equals(s.SourceScope, "additional", StringComparison.OrdinalIgnoreCase) && !string.Equals(s.SourceScope, "legacy", StringComparison.OrdinalIgnoreCase) && string.IsNullOrWhiteSpace(s.Requires)).ToList() },
+            new { Title = "고급 스킬", Items = skills.Where(s => !string.IsNullOrWhiteSpace(s.Requires) && !string.Equals(s.SourceScope, "project", StringComparison.OrdinalIgnoreCase) && !string.Equals(s.SourceScope, "mcp", StringComparison.OrdinalIgnoreCase)).ToList() },
         };
 
         foreach (var group in groups)

src/AxCopilot/Views/ChatWindow.xaml.cs

@@ -3529,8 +3529,13 @@ public partial class ChatWindow : Window
             // 탭별 필터링: Chat → "all"만, Cowork/Code → "all" + "dev"
             bool isDev = _activeTab is "Cowork" or "Code";
 
-            // 내장 슬래시 명령어 매칭 (탭 필터)
-            var matches = SlashCommandCatalog.MatchBuiltinCommands(text, isDev);
+            var slashEntries = SlashCommandCatalog.MatchBuiltinCommands(text, isDev)
+                .Select(match => (
+                    match.Cmd,
+                    match.Label,
+                    match.IsSkill,
+                    Priority: SlashCommandCatalog.GetBuiltInCommandPriority(match.Cmd)))
+                .ToList();
 
             // 스킬 슬래시 명령어 매칭 (탭별 필터)
             if (_settings.Settings.Llm.EnableSkillSystem)
@@ -3540,11 +3545,12 @@ public partial class ChatWindow : Window
                     .Where(s => s.IsVisibleInTab(_activeTab))
                     .Select(s => (Cmd: "/" + s.Name,
                         Label: BuildSlashSkillLabel(s),
-                        IsSkill: true, Available: s.IsAvailable));
-                foreach (var sm in skillMatches)
-                    matches.Add((sm.Cmd, sm.Label, sm.IsSkill));
+                        IsSkill: true,
+                        Priority: SkillService.GetSkillSourcePriority(s.SourceScope)));
+                slashEntries.AddRange(skillMatches);
             }
 
+            var matches = SlashCommandCatalog.ComposeMatches(slashEntries);
             if (matches.Count > 0)
             {
                 _slashPalette.Matches = matches;

src/AxCopilot/Views/SettingsWindow.xaml

@@ -4364,6 +4364,39 @@
                                 </StackPanel>
                             </Border>
 
+                            <Border Style="{StaticResource SettingsRow}">
+                                <Grid>
+                                    <StackPanel HorizontalAlignment="Left" Margin="0,0,60,0">
+                                        <TextBlock Style="{StaticResource RowLabel}" Text="기본 제공 스킬 소스"/>
+                                        <TextBlock Style="{StaticResource RowHint}" Text="앱에 함께 배포되는 관리형 스킬 파일 소스를 로드합니다. 번들 스킬은 항상 유지됩니다."/>
+                                    </StackPanel>
+                                    <CheckBox Style="{StaticResource ToggleSwitch}" HorizontalAlignment="Right" VerticalAlignment="Center"
+                                              IsChecked="{Binding EnableManagedSkillSource, Mode=TwoWay}"/>
+                                </Grid>
+                            </Border>
+
+                            <Border Style="{StaticResource SettingsRow}">
+                                <Grid>
+                                    <StackPanel HorizontalAlignment="Left" Margin="0,0,60,0">
+                                        <TextBlock Style="{StaticResource RowLabel}" Text="사용자 스킬 소스"/>
+                                        <TextBlock Style="{StaticResource RowHint}" Text="%APPDATA%\AxCopilot\skills\와 직접 지정한 기본 스킬 폴더를 함께 로드합니다."/>
+                                    </StackPanel>
+                                    <CheckBox Style="{StaticResource ToggleSwitch}" HorizontalAlignment="Right" VerticalAlignment="Center"
+                                              IsChecked="{Binding EnableUserSkillSource, Mode=TwoWay}"/>
+                                </Grid>
+                            </Border>
+
+                            <Border Style="{StaticResource SettingsRow}">
+                                <Grid>
+                                    <StackPanel HorizontalAlignment="Left" Margin="0,0,60,0">
+                                        <TextBlock Style="{StaticResource RowLabel}" Text="보조 스킬 폴더 탐색"/>
+                                        <TextBlock Style="{StaticResource RowHint}" Text="보조 스킬 폴더 목록에 입력한 공용/팀 스킬 폴더를 실제 로딩 대상에 포함합니다."/>
+                                    </StackPanel>
+                                    <CheckBox Style="{StaticResource ToggleSwitch}" HorizontalAlignment="Right" VerticalAlignment="Center"
+                                              IsChecked="{Binding EnableAdditionalSkillDiscovery, Mode=TwoWay}"/>
+                                </Grid>
+                            </Border>
+
                             <Border Style="{StaticResource SettingsRow}">
                                 <Grid>
                                     <StackPanel HorizontalAlignment="Left" Margin="0,0,60,0">
@@ -4386,6 +4419,28 @@
                                 </Grid>
                             </Border>
 
+                            <Border Style="{StaticResource SettingsRow}">
+                                <Grid>
+                                    <StackPanel HorizontalAlignment="Left" Margin="0,0,60,0">
+                                        <TextBlock Style="{StaticResource RowLabel}" Text="MCP 스킬 탐색"/>
+                                        <TextBlock Style="{StaticResource RowHint}" Text="연결된 MCP 서버의 리소스/도구 메타데이터를 보조 스킬처럼 노출합니다."/>
+                                    </StackPanel>
+                                    <CheckBox Style="{StaticResource ToggleSwitch}" HorizontalAlignment="Right" VerticalAlignment="Center"
+                                              IsChecked="{Binding EnableMcpSkillDiscovery, Mode=TwoWay}"/>
+                                </Grid>
+                            </Border>
+
+                            <Border Style="{StaticResource SettingsRow}">
+                                <Grid>
+                                    <StackPanel HorizontalAlignment="Left" Margin="0,0,60,0">
+                                        <TextBlock Style="{StaticResource RowLabel}" Text="플러그인 전용 스킬 모드"/>
+                                        <TextBlock Style="{StaticResource RowHint}" Text="활성화하면 기본 제공/플러그인 스킬만 노출하고 다른 소스는 숨깁니다."/>
+                                    </StackPanel>
+                                    <CheckBox Style="{StaticResource ToggleSwitch}" HorizontalAlignment="Right" VerticalAlignment="Center"
+                                              IsChecked="{Binding EnablePluginOnlySkillMode, Mode=TwoWay}"/>
+                                </Grid>
+                            </Border>
+
                             <Border Style="{StaticResource SettingsRow}">
                                 <Grid>
                                     <StackPanel HorizontalAlignment="Left" Margin="0,0,60,0">
@@ -4408,6 +4463,28 @@
                                 </Grid>
                             </Border>
 
+                            <Border Style="{StaticResource SettingsRow}">
+                                <Grid>
+                                    <StackPanel HorizontalAlignment="Left" Margin="0,0,60,0">
+                                        <TextBlock Style="{StaticResource RowLabel}" Text="플러그인 inline shell 허용"/>
+                                        <TextBlock Style="{StaticResource RowHint}" Text="플러그인 소스 스킬에 한해 inline shell 실행을 별도로 허용합니다."/>
+                                    </StackPanel>
+                                    <CheckBox Style="{StaticResource ToggleSwitch}" HorizontalAlignment="Right" VerticalAlignment="Center"
+                                              IsChecked="{Binding AllowPluginSkillInlineShell, Mode=TwoWay}"/>
+                                </Grid>
+                            </Border>
+
+                            <Border Style="{StaticResource SettingsRow}">
+                                <Grid>
+                                    <StackPanel HorizontalAlignment="Left" Margin="0,0,60,0">
+                                        <TextBlock Style="{StaticResource RowLabel}" Text="MCP inline shell 허용"/>
+                                        <TextBlock Style="{StaticResource RowHint}" Text="MCP 소스 스킬에는 기본적으로 inline shell을 막고, 필요 시에만 별도 허용합니다."/>
+                                    </StackPanel>
+                                    <CheckBox Style="{StaticResource ToggleSwitch}" HorizontalAlignment="Right" VerticalAlignment="Center"
+                                              IsChecked="{Binding AllowMcpSkillInlineShell, Mode=TwoWay}"/>
+                                </Grid>
+                            </Border>
+
                             <Border Style="{StaticResource SettingsRow}">
                                 <Grid>
                                     <StackPanel HorizontalAlignment="Left">

src/AxCopilot/Views/SkillGalleryWindow.xaml.cs

@@ -147,6 +147,7 @@ public partial class SkillGalleryWindow : Window
             "기본 제공"   => skills.Where(IsBuiltInSkill).ToList(),
             "프로젝트"    => skills.Where(s => string.Equals(s.SourceScope, "project", StringComparison.OrdinalIgnoreCase)).ToList(),
             "플러그인"    => skills.Where(s => string.Equals(s.SourceScope, "plugin", StringComparison.OrdinalIgnoreCase)).ToList(),
+            "MCP"         => skills.Where(s => string.Equals(s.SourceScope, "mcp", StringComparison.OrdinalIgnoreCase)).ToList(),
             "고급 (런타임)" => skills.Where(s => !string.IsNullOrEmpty(s.Requires)).ToList(),
             "사용자"       => skills.Where(IsUserOwnedSkill).ToList(),
             _             => skills.ToList(),
@@ -164,6 +165,8 @@ public partial class SkillGalleryWindow : Window
         var isBuiltIn  = IsBuiltInSkill(skill);
         var isProject  = string.Equals(skill.SourceScope, "project", StringComparison.OrdinalIgnoreCase);
         var isPlugin   = string.Equals(skill.SourceScope, "plugin", StringComparison.OrdinalIgnoreCase);
+        var isMcp      = string.Equals(skill.SourceScope, "mcp", StringComparison.OrdinalIgnoreCase);
+        var hasBackingFile = !string.IsNullOrWhiteSpace(skill.FilePath) && File.Exists(skill.FilePath);
 
         var card = new Border
         {
@@ -231,6 +234,8 @@ public partial class SkillGalleryWindow : Window
             nameRow.Children.Add(MakeBadge("프로젝트", "#2563EB"));
         else if (isPlugin)
             nameRow.Children.Add(MakeBadge("플러그인", "#EC4899"));
+        else if (isMcp)
+            nameRow.Children.Add(MakeBadge("MCP", "#14B8A6"));
         else if (isUser)
             nameRow.Children.Add(MakeBadge("사용자", "#34D399"));
         else if (isAdvanced)
@@ -266,62 +271,68 @@ public partial class SkillGalleryWindow : Window
         };
 
         // 편집
-        actions.Children.Add(MakeActionBtn("\uE70F", "#3B82F6", isUser ? "편집 (시각적 편집기)" : "편집 (파일 열기)",
-            () =>
-            {
-                if (isUser)
+        if (isUser || hasBackingFile)
+        {
+            actions.Children.Add(MakeActionBtn("\uE70F", "#3B82F6", isUser ? "편집 (시각적 편집기)" : "편집 (파일 열기)",
+                () =>
                 {
-                    var editor = new SkillEditorWindow(skill) { Owner = this };
-                    if (editor.ShowDialog() == true)
+                    if (isUser)
                     {
+                        var editor = new SkillEditorWindow(skill) { Owner = this };
+                        if (editor.ShowDialog() == true)
+                        {
+                            SkillService.ReloadFromCurrentSettings();
+                            BuildCategoryFilter();
+                            RenderSkills();
+                        }
+                    }
+                    else
+                    {
+                        try { System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(skill.FilePath) { UseShellExecute = true }); }
+                        catch (Exception ex) { CustomMessageBox.Show($"파일을 열 수 없습니다: {ex.Message}", "편집"); }
+                    }
+                }));
+        }
+
+        // 복제 (파일 기반 스킬만)
+        if (hasBackingFile)
+        {
+            actions.Children.Add(MakeActionBtn("\uE8C8", "#10B981", "복제",
+                () =>
+                {
+                    try
+                    {
+                        var destFolder = Path.Combine(userFolder);
+                        if (!Directory.Exists(destFolder)) Directory.CreateDirectory(destFolder);
+
+                        var srcName = Path.GetFileNameWithoutExtension(skill.FilePath);
+                        var destPath = Path.Combine(destFolder, $"{srcName}_copy.skill.md");
+                        var counter  = 2;
+                        while (File.Exists(destPath))
+                            destPath = Path.Combine(destFolder, $"{srcName}_copy{counter++}.skill.md");
+
+                        File.Copy(skill.FilePath, destPath);
                         SkillService.ReloadFromCurrentSettings();
                         BuildCategoryFilter();
                         RenderSkills();
                     }
-                }
-                else
+                    catch (Exception ex) { CustomMessageBox.Show($"복제 실패: {ex.Message}", "복제"); }
+                }));
+
+            // 내보내기
+            actions.Children.Add(MakeActionBtn("\uEDE1", "#F59E0B", "내보내기 (.zip)",
+                () =>
                 {
-                    try { System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(skill.FilePath) { UseShellExecute = true }); }
-                    catch (Exception ex) { CustomMessageBox.Show($"파일을 열 수 없습니다: {ex.Message}", "편집"); }
-                }
-            }));
-
-        // 복제 (사용자 스킬/폴더 스킬만)
-        actions.Children.Add(MakeActionBtn("\uE8C8", "#10B981", "복제",
-            () =>
-            {
-                try
-                {
-                    var destFolder = Path.Combine(userFolder);
-                    if (!Directory.Exists(destFolder)) Directory.CreateDirectory(destFolder);
-
-                    var srcName = Path.GetFileNameWithoutExtension(skill.FilePath);
-                    var destPath = Path.Combine(destFolder, $"{srcName}_copy.skill.md");
-                    var counter  = 2;
-                    while (File.Exists(destPath))
-                        destPath = Path.Combine(destFolder, $"{srcName}_copy{counter++}.skill.md");
-
-                    File.Copy(skill.FilePath, destPath);
-                    SkillService.ReloadFromCurrentSettings();
-                    BuildCategoryFilter();
-                    RenderSkills();
-                }
-                catch (Exception ex) { CustomMessageBox.Show($"복제 실패: {ex.Message}", "복제"); }
-            }));
-
-        // 내보내기
-        actions.Children.Add(MakeActionBtn("\uEDE1", "#F59E0B", "내보내기 (.zip)",
-            () =>
-            {
-                var folderDlg = new System.Windows.Forms.FolderBrowserDialog
-                    { Description = "내보낼 폴더를 선택하세요" };
-                if (folderDlg.ShowDialog() != System.Windows.Forms.DialogResult.OK) return;
-                var result = SkillService.ExportSkill(skill, folderDlg.SelectedPath);
-                if (result != null)
-                    CustomMessageBox.Show($"내보내기 완료:\n{result}", "내보내기");
-                else
-                    CustomMessageBox.Show("내보내기에 실패했습니다.", "내보내기");
-            }));
+                    var folderDlg = new System.Windows.Forms.FolderBrowserDialog
+                        { Description = "내보낼 폴더를 선택하세요" };
+                    if (folderDlg.ShowDialog() != System.Windows.Forms.DialogResult.OK) return;
+                    var result = SkillService.ExportSkill(skill, folderDlg.SelectedPath);
+                    if (result != null)
+                        CustomMessageBox.Show($"내보내기 완료:\n{result}", "내보내기");
+                    else
+                        CustomMessageBox.Show("내보내기에 실패했습니다.", "내보내기");
+                }));
+        }
 
         // 삭제 (사용자 스킬만)
         if (isUser)
@@ -405,6 +416,8 @@ public partial class SkillGalleryWindow : Window
             yield return "프로젝트";
         if (skills.Any(s => string.Equals(s.SourceScope, "plugin", StringComparison.OrdinalIgnoreCase)))
             yield return "플러그인";
+        if (skills.Any(s => string.Equals(s.SourceScope, "mcp", StringComparison.OrdinalIgnoreCase)))
+            yield return "MCP";
         if (skills.Any(s => !string.IsNullOrEmpty(s.Requires)))
             yield return "고급 (런타임)";
         if (skills.Any(IsUserOwnedSkill))
@@ -422,7 +435,8 @@ public partial class SkillGalleryWindow : Window
         string.Equals(skill.SourceScope, "legacy", StringComparison.OrdinalIgnoreCase) ||
         (!IsBuiltInSkill(skill)
          && !string.Equals(skill.SourceScope, "project", StringComparison.OrdinalIgnoreCase)
-         && !string.Equals(skill.SourceScope, "plugin", StringComparison.OrdinalIgnoreCase));
+         && !string.Equals(skill.SourceScope, "plugin", StringComparison.OrdinalIgnoreCase)
+         && !string.Equals(skill.SourceScope, "mcp", StringComparison.OrdinalIgnoreCase));
 
     private Border MakeActionBtn(string icon, string colorHex, string tooltip, Action action)
     {

src/AxCopilot/Views/SlashCommandCatalog.cs

@@ -1,4 +1,8 @@
-namespace AxCopilot.Views;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace AxCopilot.Views;
 
 internal static class SlashCommandCatalog
 {
@@ -108,6 +112,37 @@ internal static class SlashCommandCatalog
             .ToList();
     }
 
+    internal static int GetBuiltInCommandPriority(string commandToken)
+    {
+        if (!Commands.TryGetValue(commandToken, out var entry))
+            return 2000;
+
+        return string.Equals(entry.Tab, "dev", StringComparison.OrdinalIgnoreCase)
+            ? 2100
+            : 2000;
+    }
+
+    internal static List<(string Cmd, string Label, bool IsSkill)> ComposeMatches(
+        IEnumerable<(string Cmd, string Label, bool IsSkill, int Priority)> entries)
+    {
+        if (entries == null)
+            return [];
+
+        return entries
+            .Where(entry => !string.IsNullOrWhiteSpace(entry.Cmd))
+            .GroupBy(entry => entry.Cmd, StringComparer.OrdinalIgnoreCase)
+            .Select(group => group
+                .OrderByDescending(entry => entry.Priority)
+                .ThenBy(entry => entry.IsSkill ? 1 : 0)
+                .ThenBy(entry => entry.Cmd, StringComparer.OrdinalIgnoreCase)
+                .First())
+            .Select(entry => (entry.Cmd, entry.Label, entry.IsSkill, entry.Priority))
+            .OrderByDescending(entry => entry.Priority)
+            .ThenBy(entry => entry.Cmd, StringComparer.OrdinalIgnoreCase)
+            .Select(entry => (entry.Cmd, entry.Label, entry.IsSkill))
+            .ToList();
+    }
+
     internal static bool TryGetEntry(string commandToken, out (string Label, string SystemPrompt, string Tab) entry)
         => Commands.TryGetValue(commandToken, out entry);
 }