Implement remove-subtask MCP command for removing subtasks from parent tasks

mcp-server/src/core/direct-functions/remove-subtask.js

@@ -0,0 +1,85 @@
+/**
+ * Direct function wrapper for removeSubtask
+ */
+
+import { removeSubtask } from '../../../../scripts/modules/task-manager.js';
+import { findTasksJsonPath } from '../utils/path-utils.js';
+
+/**
+ * Remove a subtask from its parent task
+ * @param {Object} args - Function arguments
+ * @param {string} args.id - Subtask ID in format "parentId.subtaskId" (required)
+ * @param {boolean} [args.convert] - Whether to convert the subtask to a standalone task
+ * @param {string} [args.file] - Path to the tasks file
+ * @param {boolean} [args.skipGenerate] - Skip regenerating task files
+ * @param {string} [args.projectRoot] - Project root directory
+ * @param {Object} log - Logger object
+ * @returns {Promise<{success: boolean, data?: Object, error?: {code: string, message: string}}>}
+ */
+export async function removeSubtaskDirect(args, log) {
+  try {
+    log.info(`Removing subtask with args: ${JSON.stringify(args)}`);
+    
+    if (!args.id) {
+      return {
+        success: false,
+        error: {
+          code: 'INPUT_VALIDATION_ERROR',
+          message: 'Subtask ID is required and must be in format "parentId.subtaskId"'
+        }
+      };
+    }
+    
+    // Validate subtask ID format
+    if (!args.id.includes('.')) {
+      return {
+        success: false,
+        error: {
+          code: 'INPUT_VALIDATION_ERROR',
+          message: `Invalid subtask ID format: ${args.id}. Expected format: "parentId.subtaskId"`
+        }
+      };
+    }
+
+    // Find the tasks.json path
+    const tasksPath = findTasksJsonPath(args.file, args.projectRoot);
+    
+    // Convert convertToTask to a boolean
+    const convertToTask = args.convert === true;
+    
+    // Determine if we should generate files
+    const generateFiles = !args.skipGenerate;
+    
+    log.info(`Removing subtask ${args.id} (convertToTask: ${convertToTask}, generateFiles: ${generateFiles})`);
+    
+    const result = await removeSubtask(tasksPath, args.id, convertToTask, generateFiles);
+    
+    if (convertToTask && result) {
+      // Return info about the converted task
+      return {
+        success: true,
+        data: {
+          message: `Subtask ${args.id} successfully converted to task #${result.id}`,
+          task: result
+        }
+      };
+    } else {
+      // Return simple success message for deletion
+      return {
+        success: true,
+        data: {
+          message: `Subtask ${args.id} successfully removed`
+        }
+      };
+    }
+  } catch (error) {
+    log.error(`Error in removeSubtaskDirect: ${error.message}`);
+    return {
+      success: false,
+      error: {
+        code: 'CORE_FUNCTION_ERROR',
+        message: error.message
+      }
+    };
+  }
+} 

mcp-server/src/core/task-master-core.js

@@ -18,6 +18,7 @@ import { nextTaskDirect } from './direct-functions/next-task.js';
 import { expandTaskDirect } from './direct-functions/expand-task.js';
 import { addTaskDirect } from './direct-functions/add-task.js';
 import { addSubtaskDirect } from './direct-functions/add-subtask.js';
+import { removeSubtaskDirect } from './direct-functions/remove-subtask.js';
 
 // Re-export utility functions
 export { findTasksJsonPath } from './utils/path-utils.js';
@@ -36,7 +37,8 @@ export const directFunctions = new Map([
   ['nextTaskDirect', nextTaskDirect],
   ['expandTaskDirect', expandTaskDirect],
   ['addTaskDirect', addTaskDirect],
-  ['addSubtaskDirect', addSubtaskDirect]
+  ['addSubtaskDirect', addSubtaskDirect],
+  ['removeSubtaskDirect', removeSubtaskDirect]
 ]);
 
 // Re-export all direct function implementations
@@ -53,5 +55,6 @@ export {
   nextTaskDirect,
   expandTaskDirect,
   addTaskDirect,
-  addSubtaskDirect
+  addSubtaskDirect,
+  removeSubtaskDirect
 };