Add tool to create repository from template

pkg/github/repositories.go

@@ -321,7 +321,7 @@ func CreateOrUpdateFile(getClient GetClientFn, t translations.TranslationHelperF
 // CreateRepository creates a tool to create a new GitHub repository.
 func CreateRepository(getClient GetClientFn, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) {
 	return mcp.NewTool("create_repository",
-			mcp.WithDescription(t("TOOL_CREATE_REPOSITORY_DESCRIPTION", "Create a new GitHub repository in your account")),
+			mcp.WithDescription(t("TOOL_CREATE_REPOSITORY_DESCRIPTION", "Create a new GitHub repository in your account without using a template")),
 			mcp.WithString("name",
 				mcp.Required(),
 				mcp.Description("Repository name"),
@@ -388,6 +388,92 @@ func CreateRepository(getClient GetClientFn, t translations.TranslationHelperFun
 		}
 }
 
+// CreateRepositoryFromTemplate creates a tool to create a new GitHub repository from a template.
+func CreateRepositoryFromTemplate(getClient GetClientFn, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) {
+	return mcp.NewTool("create_repository_from_template",
+			mcp.WithDescription(t("TOOL_CREATE_REPOSITORY_FROM_TEMPLATE_DESCRIPTION", "Create a new GitHub repository in your account from a template repository")),
+			mcp.WithString("name",
+				mcp.Required(),
+				mcp.Description("Repository name"),
+			),
+			mcp.WithString("description",
+				mcp.Description("Repository description"),
+			),
+			mcp.WithBoolean("private",
+				mcp.Description("Whether repo should be private"),
+			),
+			mcp.WithBoolean("includeAllBranches",
+				mcp.Description("Include all branches from template"),
+			),
+			mcp.WithString("templateOwner",
+				mcp.Required(),
+				mcp.Description("Template repository owner"),
+			),
+			mcp.WithString("templateRepo",
+				mcp.Required(),
+				mcp.Description("Template repository name"),
+			),
+		),
+		func(ctx context.Context, request mcp.CallToolRequest) (*mcp.CallToolResult, error) {
+			name, err := requiredParam[string](request, "name")
+			if err != nil {
+				return mcp.NewToolResultError(err.Error()), nil
+			}
+			description, err := OptionalParam[string](request, "description")
+			if err != nil {
+				return mcp.NewToolResultError(err.Error()), nil
+			}
+			private, err := OptionalParam[bool](request, "private")
+			if err != nil {
+				return mcp.NewToolResultError(err.Error()), nil
+			}
+			includeAllBranches, err := OptionalParam[bool](request, "includeAllBranches")
+			if err != nil {
+				return mcp.NewToolResultError(err.Error()), nil
+			}
+			templateOwner, err := requiredParam[string](request, "templateOwner")
+			if err != nil {
+				return mcp.NewToolResultError(err.Error()), nil
+			}
+			templateRepo, err := requiredParam[string](request, "templateRepo")
+			if err != nil {
+				return mcp.NewToolResultError(err.Error()), nil
+			}
+
+			templateReq := &github.TemplateRepoRequest{
+				Name:               github.Ptr(name),
+				Description:        github.Ptr(description),
+				Private:            github.Ptr(private),
+				IncludeAllBranches: github.Ptr(includeAllBranches),
+			}
+
+			client, err := getClient(ctx)
+			if err != nil {
+				return nil, fmt.Errorf("failed to get GitHub client: %w", err)
+			}
+			createdRepo, resp, err := client.Repositories.CreateFromTemplate(ctx, templateOwner, templateRepo, templateReq)
+			if err != nil {
+				return nil, fmt.Errorf("failed to create repository from template: %w", err)
+			}
+			defer func() { _ = resp.Body.Close() }()
+
+			if resp.StatusCode != http.StatusCreated {
+				body, err := io.ReadAll(resp.Body)
+				if err != nil {
+					return nil, fmt.Errorf("failed to read response body: %w", err)
+				}
+				return mcp.NewToolResultError(fmt.Sprintf("failed to create repository from template: %s", string(body))), nil
+			}
+
+			r, err := json.Marshal(createdRepo)
+			if err != nil {
+				return nil, fmt.Errorf("failed to marshal response: %w", err)
+			}
+
+			return mcp.NewToolResultText(string(r)), nil
+		}
+}
+
 // GetFileContents creates a tool to get the contents of a file or directory from a GitHub repository.
 func GetFileContents(getClient GetClientFn, t translations.TranslationHelperFunc) (tool mcp.Tool, handler server.ToolHandlerFunc) {
 	return mcp.NewTool("get_file_contents",

pkg/github/repositories_test.go

@@ -1528,3 +1528,157 @@ func Test_ListBranches(t *testing.T) {
 		})
 	}
 }
+
+func Test_CreateRepositoryFromTemplate(t *testing.T) {
+	// Verify tool definition once
+	mockClient := github.NewClient(nil)
+	tool, _ := CreateRepositoryFromTemplate(stubGetClientFn(mockClient), translations.NullTranslationHelper)
+
+	assert.Equal(t, "create_repository_from_template", tool.Name)
+	assert.NotEmpty(t, tool.Description)
+	assert.Contains(t, tool.InputSchema.Properties, "name")
+	assert.Contains(t, tool.InputSchema.Properties, "description")
+	assert.Contains(t, tool.InputSchema.Properties, "private")
+	assert.Contains(t, tool.InputSchema.Properties, "includeAllBranches")
+	assert.Contains(t, tool.InputSchema.Properties, "templateOwner")
+	assert.Contains(t, tool.InputSchema.Properties, "templateRepo")
+	assert.ElementsMatch(t, tool.InputSchema.Required, []string{"name", "templateOwner", "templateRepo"})
+
+	// Setup mock repository response
+	mockRepo := &github.Repository{
+		Name:        github.Ptr("test-repo"),
+		Description: github.Ptr("Test repository"),
+		Private:     github.Ptr(true),
+		HTMLURL:     github.Ptr("https://github.com/testuser/test-repo"),
+		CloneURL:    github.Ptr("https://github.com/testuser/test-repo.git"),
+		CreatedAt:   &github.Timestamp{Time: time.Now()},
+		Owner: &github.User{
+			Login: github.Ptr("testuser"),
+		},
+	}
+
+	tests := []struct {
+		name           string
+		mockedClient   *http.Client
+		requestArgs    map[string]interface{}
+		expectError    bool
+		expectedRepo   *github.Repository
+		expectedErrMsg string
+	}{
+		{
+			name: "successful repository creation from template with all params",
+			mockedClient: mock.NewMockedHTTPClient(
+				mock.WithRequestMatchHandler(
+					mock.EndpointPattern{
+						Pattern: "/repos/template-owner/template-repo/generate",
+						Method:  "POST",
+					},
+					expectRequestBody(t, map[string]interface{}{
+						"name":                 "test-repo",
+						"description":          "Test repository",
+						"private":              true,
+						"include_all_branches": true,
+					}).andThen(
+						mockResponse(t, http.StatusCreated, mockRepo),
+					),
+				),
+			),
+			requestArgs: map[string]interface{}{
+				"name":               "test-repo",
+				"description":        "Test repository",
+				"private":            true,
+				"includeAllBranches": true,
+				"templateOwner":      "template-owner",
+				"templateRepo":       "template-repo",
+			},
+			expectError:  false,
+			expectedRepo: mockRepo,
+		},
+		{
+			name: "successful repository creation from template with minimal params",
+			mockedClient: mock.NewMockedHTTPClient(
+				mock.WithRequestMatchHandler(
+					mock.EndpointPattern{
+						Pattern: "/repos/template-owner/template-repo/generate",
+						Method:  "POST",
+					},
+					expectRequestBody(t, map[string]interface{}{
+						"name":                 "test-repo",
+						"description":          "",
+						"private":              false,
+						"include_all_branches": false,
+					}).andThen(
+						mockResponse(t, http.StatusCreated, mockRepo),
+					),
+				),
+			),
+			requestArgs: map[string]interface{}{
+				"name":          "test-repo",
+				"templateOwner": "template-owner",
+				"templateRepo":  "template-repo",
+			},
+			expectError:  false,
+			expectedRepo: mockRepo,
+		},
+		{
+			name: "repository creation from template fails",
+			mockedClient: mock.NewMockedHTTPClient(
+				mock.WithRequestMatchHandler(
+					mock.EndpointPattern{
+						Pattern: "/repos/template-owner/template-repo/generate",
+						Method:  "POST",
+					},
+					http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
+						w.WriteHeader(http.StatusUnprocessableEntity)
+						_, _ = w.Write([]byte(`{"message": "Repository creation from template failed"}`))
+					}),
+				),
+			),
+			requestArgs: map[string]interface{}{
+				"name":          "invalid-repo",
+				"templateOwner": "template-owner",
+				"templateRepo":  "template-repo",
+			},
+			expectError:    true,
+			expectedErrMsg: "failed to create repository from template",
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			// Setup client with mock
+			client := github.NewClient(tc.mockedClient)
+			_, handler := CreateRepositoryFromTemplate(stubGetClientFn(client), translations.NullTranslationHelper)
+
+			// Create call request
+			request := createMCPRequest(tc.requestArgs)
+
+			// Call handler
+			result, err := handler(context.Background(), request)
+
+			// Verify results
+			if tc.expectError {
+				require.Error(t, err)
+				assert.Contains(t, err.Error(), tc.expectedErrMsg)
+				return
+			}
+
+			require.NoError(t, err)
+
+			// Parse the result and get the text content if no error
+			textContent := getTextResult(t, result)
+
+			// Unmarshal and verify the result
+			var returnedRepo github.Repository
+			err = json.Unmarshal([]byte(textContent.Text), &returnedRepo)
+			assert.NoError(t, err)
+
+			// Verify repository details
+			assert.Equal(t, *tc.expectedRepo.Name, *returnedRepo.Name)
+			assert.Equal(t, *tc.expectedRepo.Description, *returnedRepo.Description)
+			assert.Equal(t, *tc.expectedRepo.Private, *returnedRepo.Private)
+			assert.Equal(t, *tc.expectedRepo.HTMLURL, *returnedRepo.HTMLURL)
+			assert.Equal(t, *tc.expectedRepo.Owner.Login, *returnedRepo.Owner.Login)
+		})
+	}
+}

pkg/github/tools.go

@@ -31,6 +31,7 @@ func InitToolsets(passedToolsets []string, readOnly bool, getClient GetClientFn,
 		AddWriteTools(
 			toolsets.NewServerTool(CreateOrUpdateFile(getClient, t)),
 			toolsets.NewServerTool(CreateRepository(getClient, t)),
+			toolsets.NewServerTool(CreateRepositoryFromTemplate(getClient, t)),
 			toolsets.NewServerTool(ForkRepository(getClient, t)),
 			toolsets.NewServerTool(CreateBranch(getClient, t)),
 			toolsets.NewServerTool(PushFiles(getClient, t)),