Implement fix-dependencies MCP command for automatically fixing invalid dependencies

mcp-server/src/tools/fix-dependencies.js

@@ -0,0 +1,34 @@
+/**
+ * tools/fix-dependencies.js
+ * Tool for automatically fixing invalid task dependencies
+ */
+
+import { z } from "zod";
+import {
+  handleApiResult,
+  createErrorResponse
+} from "./utils.js";
+import { fixDependenciesDirect } from "../core/task-master-core.js";
+
+/**
+ * Register the fixDependencies tool with the MCP server
+ * @param {Object} server - FastMCP server instance
+ */
+export function registerFixDependenciesTool(server) {
+  server.addTool({
+    name: "fix_dependencies",
+    description: "Fix invalid dependencies in tasks automatically",
+    parameters: z.object({
+      file: z.string().optional().describe("Path to the tasks file"),
+      projectRoot: z.string().optional().describe("Root directory of the project (default: current working directory)")
+    }),
+    handler: async ({ file, projectRoot }, { logger }) => {
+      try {
+        const result = await fixDependenciesDirect({ file, projectRoot }, logger);
+        return handleApiResult(result);
+      } catch (error) {
+        return createErrorResponse(error);
+      }
+    }
+  });
+} 

mcp-server/src/tools/index.js

@@ -22,6 +22,7 @@ import { registerClearSubtasksTool } from "./clear-subtasks.js";
 import { registerExpandAllTool } from "./expand-all.js";
 import { registerRemoveDependencyTool } from "./remove-dependency.js";
 import { registerValidateDependenciesTool } from "./validate-dependencies.js";
+import { registerFixDependenciesTool } from "./fix-dependencies.js";
 
 /**
  * Register all Task Master tools with the MCP server
@@ -50,6 +51,7 @@ export function registerTaskMasterTools(server) {
     registerExpandAllTool(server);
     registerRemoveDependencyTool(server);
     registerValidateDependenciesTool(server);
+    registerFixDependenciesTool(server);
     
     logger.info("Successfully registered all Task Master tools");
   } catch (error) {