feat(mcp): Implement generate MCP command for creating task files from tasks.json

mcp-server/src/tools/generate.js

@@ -0,0 +1,49 @@
+/**
+ * tools/generate.js
+ * Tool to generate individual task files from tasks.json
+ */
+
+import { z } from "zod";
+import {
+  handleApiResult,
+  createErrorResponse
+} from "./utils.js";
+import { generateTaskFilesDirect } from "../core/task-master-core.js";
+
+/**
+ * Register the generate tool with the MCP server
+ * @param {Object} server - FastMCP server instance
+ */
+export function registerGenerateTool(server) {
+  server.addTool({
+    name: "generate",
+    description: "Generates individual task files in tasks/ directory based on tasks.json",
+    parameters: z.object({
+      file: z.string().optional().describe("Path to the tasks file"),
+      output: z.string().optional().describe("Output directory (default: same directory as tasks file)"),
+      projectRoot: z
+        .string()
+        .optional()
+        .describe(
+          "Root directory of the project (default: current working directory)"
+        ),
+    }),
+    execute: async (args, { log }) => {
+      try {
+        log.info(`Generating task files with args: ${JSON.stringify(args)}`);
+        
+        // Call the direct function wrapper
+        const result = await generateTaskFilesDirect(args, log);
+        
+        // Log result
+        log.info(`${result.success ? 'Successfully generated task files' : 'Failed to generate task files'}`);
+        
+        // Use handleApiResult to format the response
+        return handleApiResult(result, log, 'Error generating task files');
+      } catch (error) {
+        log.error(`Error in generate tool: ${error.message}`);
+        return createErrorResponse(error.message);
+      }
+    },
+  });
+}