feat: Implement MCP (#20)

mcp-server/src/tools/nextTask.js

@@ -0,0 +1,57 @@
+/**
+ * tools/nextTask.js
+ * Tool to show the next task to work on based on dependencies and status
+ */
+
+import { z } from "zod";
+import {
+  executeTaskMasterCommand,
+  createContentResponse,
+  createErrorResponse,
+} from "./utils.js";
+
+/**
+ * Register the nextTask tool with the MCP server
+ * @param {Object} server - FastMCP server instance
+ */
+export function registerNextTaskTool(server) {
+  server.addTool({
+    name: "nextTask",
+    description:
+      "Show the next task to work on based on dependencies and status",
+    parameters: z.object({
+      file: z.string().optional().describe("Path to the tasks file"),
+      projectRoot: z
+        .string()
+        .describe(
+          "Root directory of the project (default: current working directory)"
+        ),
+    }),
+    execute: async (args, { log }) => {
+      try {
+        log.info(`Finding next task to work on`);
+
+        const cmdArgs = [];
+        if (args.file) cmdArgs.push(`--file=${args.file}`);
+
+        const projectRoot = args.projectRoot;
+
+        const result = executeTaskMasterCommand(
+          "next",
+          log,
+          cmdArgs,
+          projectRoot
+        );
+
+        if (!result.success) {
+          throw new Error(result.error);
+        }
+
+        return createContentResponse(result.stdout);
+      } catch (error) {
+        log.error(`Error finding next task: ${error.message}`);
+        return createErrorResponse(`Error finding next task: ${error.message}`);
+      }
+    },
+  });
+}